Added imgui for configuration

7 files changed, 1269 insertions, 0 deletions

diff --git a/vendor/zgui/libs/winpthreads/include/pthread.h b/vendor/zgui/libs/winpthreads/include/pthread.h
new file mode 100644
index 0000000..93d7c11
--- /dev/null
+++ b/vendor/zgui/libs/winpthreads/include/pthread.h
@@ -0,0 +1,692 @@
+/*
+   Copyright (c) 2011-2016 mingw-w64 project
+
+   Permission is hereby granted, free of charge, to any person obtaining a
+   copy of this software and associated documentation files (the "Software"),
+   to deal in the Software without restriction, including without limitation
+   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+   and/or sell copies of the Software, and to permit persons to whom the
+   Software is furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+*/
+
+/*
+ * Parts of this library are derived by:
+ *
+ * Posix Threads library for Microsoft Windows
+ *
+ * Use at own risk, there is no implied warranty to this code.
+ * It uses undocumented features of Microsoft Windows that can change
+ * at any time in the future.
+ *
+ * (C) 2010 Lockless Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *  * Neither the name of Lockless Inc. nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AN
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef WIN_PTHREADS_H
+#define WIN_PTHREADS_H
+
+#include <stddef.h>
+#include <errno.h>
+#include <sys/types.h>
+
+#include <process.h>
+#include <limits.h>
+#include <signal.h>
+#include <time.h>
+
+#include <sys/timeb.h>
+
+#include "pthread_compat.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define __WINPTHREADS_VERSION_MAJOR 0
+#define __WINPTHREADS_VERSION_MINOR 5
+#define __WINPTHREADS_VERSION_PATCHLEVEL 0
+
+/* MSB 8-bit major version, 8-bit minor version, 16-bit patch level.  */
+#define __WINPTHREADS_VERSION 0x00050000
+
+#if defined(IN_WINPTHREAD)
+#  if defined(DLL_EXPORT)
+#    define WINPTHREAD_API  __declspec(dllexport)  /* building the DLL  */
+#  else
+#    define WINPTHREAD_API  /* building the static library  */
+#  endif
+#else
+#  if defined(WINPTHREADS_USE_DLLIMPORT)
+#    define WINPTHREAD_API  __declspec(dllimport)  /* user wants explicit `dllimport`  */
+#  else
+#    define WINPTHREAD_API  /* the default; auto imported in case of DLL  */
+#  endif
+#endif
+
+/* #define WINPTHREAD_DBG 1 */
+
+/* Compatibility stuff: */
+#define RWLS_PER_THREAD						8
+
+/* Error-codes.  */
+#ifndef ETIMEDOUT
+#define ETIMEDOUT	138
+#endif
+#ifndef ENOTSUP
+#define ENOTSUP		129
+#endif
+#ifndef EWOULDBLOCK
+#define EWOULDBLOCK	140
+#endif
+
+/* pthread specific defines.  */
+
+#define PTHREAD_CANCEL_DISABLE 0
+#define PTHREAD_CANCEL_ENABLE 0x01
+
+#define PTHREAD_CANCEL_DEFERRED 0
+#define PTHREAD_CANCEL_ASYNCHRONOUS 0x02
+
+#define PTHREAD_CREATE_JOINABLE 0
+#define PTHREAD_CREATE_DETACHED 0x04
+
+#define PTHREAD_EXPLICIT_SCHED 0
+#define PTHREAD_INHERIT_SCHED 0x08
+
+#define PTHREAD_SCOPE_PROCESS 0
+#define PTHREAD_SCOPE_SYSTEM 0x10
+
+#define PTHREAD_DEFAULT_ATTR (PTHREAD_CANCEL_ENABLE)
+
+#define PTHREAD_CANCELED ((void *) (intptr_t) 0xDEADBEEF)
+
+#define _PTHREAD_NULL_THREAD ((pthread_t) 0)
+
+#define PTHREAD_ONCE_INIT 0
+
+#define PTHREAD_DESTRUCTOR_ITERATIONS 256
+#define PTHREAD_KEYS_MAX (1<<20)
+
+#define PTHREAD_MUTEX_NORMAL 0
+#define PTHREAD_MUTEX_ERRORCHECK 1
+#define PTHREAD_MUTEX_RECURSIVE 2
+#define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_NORMAL
+
+#define PTHREAD_MUTEX_SHARED 1
+#define PTHREAD_MUTEX_PRIVATE 0
+
+#define PTHREAD_PRIO_NONE 0
+#define PTHREAD_PRIO_INHERIT 8
+#define PTHREAD_PRIO_PROTECT 16
+#define PTHREAD_PRIO_MULT 32
+#define PTHREAD_PROCESS_SHARED 1
+#define PTHREAD_PROCESS_PRIVATE 0
+
+#define PTHREAD_MUTEX_FAST_NP		PTHREAD_MUTEX_NORMAL
+#define PTHREAD_MUTEX_TIMED_NP		PTHREAD_MUTEX_FAST_NP
+#define PTHREAD_MUTEX_ADAPTIVE_NP	PTHREAD_MUTEX_FAST_NP
+#define PTHREAD_MUTEX_ERRORCHECK_NP	PTHREAD_MUTEX_ERRORCHECK
+#define PTHREAD_MUTEX_RECURSIVE_NP	PTHREAD_MUTEX_RECURSIVE
+
+WINPTHREAD_API void * pthread_timechange_handler_np(void * dummy);
+WINPTHREAD_API int    pthread_delay_np (const struct timespec *interval);
+WINPTHREAD_API int    pthread_num_processors_np(void);
+WINPTHREAD_API int    pthread_set_num_processors_np(int n);
+
+#define PTHREAD_BARRIER_SERIAL_THREAD 1
+
+/* maximum number of times a read lock may be obtained */
+#define	MAX_READ_LOCKS		(INT_MAX - 1)
+
+/* No fork() in windows - so ignore this */
+#define pthread_atfork(F1,F2,F3) 0
+
+/* unsupported stuff: */
+#define pthread_mutex_getprioceiling(M, P) ENOTSUP
+#define pthread_mutex_setprioceiling(M, P) ENOTSUP
+#define pthread_getcpuclockid(T, C) ENOTSUP
+#define pthread_attr_getguardsize(A, S) ENOTSUP
+#define pthread_attr_setgaurdsize(A, S) ENOTSUP
+
+typedef long pthread_once_t;
+typedef unsigned pthread_mutexattr_t;
+typedef unsigned pthread_key_t;
+typedef void *pthread_barrierattr_t;
+typedef int pthread_condattr_t;
+typedef int pthread_rwlockattr_t;
+
+/*
+struct _pthread_v;
+
+typedef struct pthread_t {
+  struct _pthread_v *p;
+  int x;
+} pthread_t;
+*/
+
+typedef uintptr_t pthread_t;
+
+typedef struct _pthread_cleanup _pthread_cleanup;
+struct _pthread_cleanup
+{
+    void (*func)(void *);
+    void *arg;
+    _pthread_cleanup *next;
+};
+
+#define pthread_cleanup_push(F, A)                                      \
+    do {                                                                \
+        const _pthread_cleanup _pthread_cup =                           \
+            { (F), (A), *pthread_getclean() };                          \
+        MemoryBarrier();                                                \
+        *pthread_getclean() = (_pthread_cleanup *) &_pthread_cup;       \
+        MemoryBarrier();                                                \
+        do {                                                            \
+            do {} while (0)
+
+/* Note that if async cancelling is used, then there is a race here */
+#define pthread_cleanup_pop(E)                                          \
+        } while (0);                                                    \
+        *pthread_getclean() = _pthread_cup.next;                        \
+        if ((E)) _pthread_cup.func((pthread_once_t *)_pthread_cup.arg); \
+    } while (0)
+
+#ifndef SCHED_OTHER
+/* Some POSIX realtime extensions, mostly stubbed */
+#define SCHED_OTHER     0
+#define SCHED_FIFO      1
+#define SCHED_RR        2
+#define SCHED_MIN       SCHED_OTHER
+#define SCHED_MAX       SCHED_RR
+
+struct sched_param {
+  int sched_priority;
+};
+
+WINPTHREAD_API int sched_yield(void);
+WINPTHREAD_API int sched_get_priority_min(int pol);
+WINPTHREAD_API int sched_get_priority_max(int pol);
+WINPTHREAD_API int sched_getscheduler(pid_t pid);
+WINPTHREAD_API int sched_setscheduler(pid_t pid, int pol, const struct sched_param *param);
+
+#endif
+
+typedef struct pthread_attr_t pthread_attr_t;
+struct pthread_attr_t
+{
+    unsigned p_state;
+    void *stack;
+    size_t s_size;
+    struct sched_param param;
+};
+
+WINPTHREAD_API int pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param);
+WINPTHREAD_API int pthread_attr_getschedparam(const pthread_attr_t *attr, struct sched_param *param);
+WINPTHREAD_API int pthread_getschedparam(pthread_t thread, int *pol, struct sched_param *param);
+WINPTHREAD_API int pthread_setschedparam(pthread_t thread, int pol, const struct sched_param *param);
+WINPTHREAD_API int pthread_attr_setschedpolicy (pthread_attr_t *attr, int pol);
+WINPTHREAD_API int pthread_attr_getschedpolicy (const pthread_attr_t *attr, int *pol);
+
+/* synchronization objects */
+typedef intptr_t pthread_spinlock_t;
+typedef intptr_t pthread_mutex_t;
+typedef intptr_t pthread_cond_t;
+typedef intptr_t pthread_rwlock_t;
+typedef void	*pthread_barrier_t;
+
+#define PTHREAD_MUTEX_NORMAL 0
+#define PTHREAD_MUTEX_ERRORCHECK 1
+#define PTHREAD_MUTEX_RECURSIVE 2
+
+#define GENERIC_INITIALIZER				-1
+#define GENERIC_ERRORCHECK_INITIALIZER			-2
+#define GENERIC_RECURSIVE_INITIALIZER			-3
+#define GENERIC_NORMAL_INITIALIZER			-1
+#define PTHREAD_MUTEX_INITIALIZER			(pthread_mutex_t)GENERIC_INITIALIZER
+#define PTHREAD_RECURSIVE_MUTEX_INITIALIZER		(pthread_mutex_t)GENERIC_RECURSIVE_INITIALIZER
+#define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER		(pthread_mutex_t)GENERIC_ERRORCHECK_INITIALIZER
+#define PTHREAD_NORMAL_MUTEX_INITIALIZER		(pthread_mutex_t)GENERIC_NORMAL_INITIALIZER
+#define PTHREAD_DEFAULT_MUTEX_INITIALIZER		PTHREAD_NORMAL_MUTEX_INITIALIZER
+#define PTHREAD_COND_INITIALIZER			(pthread_cond_t)GENERIC_INITIALIZER
+#define PTHREAD_RWLOCK_INITIALIZER			(pthread_rwlock_t)GENERIC_INITIALIZER
+#define PTHREAD_SPINLOCK_INITIALIZER			(pthread_spinlock_t)GENERIC_INITIALIZER
+
+WINPTHREAD_API extern void (**_pthread_key_dest)(void *);
+WINPTHREAD_API int         pthread_key_create(pthread_key_t *key, void (* dest)(void *));
+WINPTHREAD_API int         pthread_key_delete(pthread_key_t key);
+WINPTHREAD_API void *      pthread_getspecific(pthread_key_t key);
+WINPTHREAD_API int         pthread_setspecific(pthread_key_t key, const void *value);
+
+WINPTHREAD_API pthread_t pthread_self(void);
+WINPTHREAD_API int       pthread_once(pthread_once_t *o, void (*func)(void));
+WINPTHREAD_API void      pthread_testcancel(void);
+WINPTHREAD_API int       pthread_equal(pthread_t t1, pthread_t t2);
+WINPTHREAD_API void      pthread_tls_init(void);
+WINPTHREAD_API void      _pthread_cleanup_dest(pthread_t t);
+WINPTHREAD_API int       pthread_get_concurrency(int *val);
+WINPTHREAD_API int       pthread_set_concurrency(int val);
+WINPTHREAD_API void      pthread_exit(void *res);
+WINPTHREAD_API void      _pthread_invoke_cancel(void);
+WINPTHREAD_API int       pthread_cancel(pthread_t t);
+WINPTHREAD_API int       pthread_kill(pthread_t t, int sig);
+WINPTHREAD_API unsigned  _pthread_get_state(const pthread_attr_t *attr, unsigned flag);
+WINPTHREAD_API int       _pthread_set_state(pthread_attr_t *attr, unsigned flag, unsigned val);
+WINPTHREAD_API int       pthread_setcancelstate(int state, int *oldstate);
+WINPTHREAD_API int       pthread_setcanceltype(int type, int *oldtype);
+WINPTHREAD_API unsigned  __stdcall pthread_create_wrapper(void *args);
+WINPTHREAD_API int       pthread_create(pthread_t *th, const pthread_attr_t *attr, void *(* func)(void *), void *arg);
+WINPTHREAD_API int       pthread_join(pthread_t t, void **res);
+WINPTHREAD_API int       pthread_detach(pthread_t t);
+WINPTHREAD_API int       pthread_setname_np(pthread_t thread, const char *name);
+WINPTHREAD_API int       pthread_getname_np(pthread_t thread, char *name, size_t len);
+
+
+WINPTHREAD_API int pthread_rwlock_init(pthread_rwlock_t *rwlock_, const pthread_rwlockattr_t *attr);
+WINPTHREAD_API int pthread_rwlock_wrlock(pthread_rwlock_t *l);
+WINPTHREAD_API int pthread_rwlock_timedwrlock(pthread_rwlock_t *rwlock, const struct timespec *ts);
+WINPTHREAD_API int pthread_rwlock_rdlock(pthread_rwlock_t *l);
+WINPTHREAD_API int pthread_rwlock_timedrdlock(pthread_rwlock_t *l, const struct timespec *ts);
+WINPTHREAD_API int pthread_rwlock_unlock(pthread_rwlock_t *l);
+WINPTHREAD_API int pthread_rwlock_tryrdlock(pthread_rwlock_t *l);
+WINPTHREAD_API int pthread_rwlock_trywrlock(pthread_rwlock_t *l);
+WINPTHREAD_API int pthread_rwlock_destroy (pthread_rwlock_t *l);
+
+WINPTHREAD_API int pthread_cond_init(pthread_cond_t *cv, const pthread_condattr_t *a);
+WINPTHREAD_API int pthread_cond_destroy(pthread_cond_t *cv);
+WINPTHREAD_API int pthread_cond_signal (pthread_cond_t *cv);
+WINPTHREAD_API int pthread_cond_broadcast (pthread_cond_t *cv);
+WINPTHREAD_API int pthread_cond_wait (pthread_cond_t *cv, pthread_mutex_t *external_mutex);
+WINPTHREAD_API int pthread_cond_timedwait(pthread_cond_t *cv, pthread_mutex_t *external_mutex, const struct timespec *t);
+WINPTHREAD_API int pthread_cond_timedwait_relative_np(pthread_cond_t *cv, pthread_mutex_t *external_mutex, const struct timespec *t);
+
+WINPTHREAD_API int pthread_mutex_lock(pthread_mutex_t *m);
+WINPTHREAD_API int pthread_mutex_timedlock(pthread_mutex_t *m, const struct timespec *ts);
+WINPTHREAD_API int pthread_mutex_unlock(pthread_mutex_t *m);
+WINPTHREAD_API int pthread_mutex_trylock(pthread_mutex_t *m);
+WINPTHREAD_API int pthread_mutex_init(pthread_mutex_t *m, const pthread_mutexattr_t *a);
+WINPTHREAD_API int pthread_mutex_destroy(pthread_mutex_t *m);
+
+WINPTHREAD_API int pthread_barrier_destroy(pthread_barrier_t *b);
+WINPTHREAD_API int pthread_barrier_init(pthread_barrier_t *b, const void *attr, unsigned int count);
+WINPTHREAD_API int pthread_barrier_wait(pthread_barrier_t *b);
+
+WINPTHREAD_API int pthread_spin_init(pthread_spinlock_t *l, int pshared);
+WINPTHREAD_API int pthread_spin_destroy(pthread_spinlock_t *l);
+/* No-fair spinlock due to lack of knowledge of thread number.  */
+WINPTHREAD_API int pthread_spin_lock(pthread_spinlock_t *l);
+WINPTHREAD_API int pthread_spin_trylock(pthread_spinlock_t *l);
+WINPTHREAD_API int pthread_spin_unlock(pthread_spinlock_t *l);
+
+WINPTHREAD_API int pthread_attr_init(pthread_attr_t *attr);
+WINPTHREAD_API int pthread_attr_destroy(pthread_attr_t *attr);
+WINPTHREAD_API int pthread_attr_setdetachstate(pthread_attr_t *a, int flag);
+WINPTHREAD_API int pthread_attr_getdetachstate(const pthread_attr_t *a, int *flag);
+WINPTHREAD_API int pthread_attr_setinheritsched(pthread_attr_t *a, int flag);
+WINPTHREAD_API int pthread_attr_getinheritsched(const pthread_attr_t *a, int *flag);
+WINPTHREAD_API int pthread_attr_setscope(pthread_attr_t *a, int flag);
+WINPTHREAD_API int pthread_attr_getscope(const pthread_attr_t *a, int *flag);
+WINPTHREAD_API int pthread_attr_getstack(const pthread_attr_t *attr, void **stack, size_t *size);
+WINPTHREAD_API int pthread_attr_setstack(pthread_attr_t *attr, void *stack, size_t size);
+WINPTHREAD_API int pthread_attr_getstackaddr(const pthread_attr_t *attr, void **stack);
+WINPTHREAD_API int pthread_attr_setstackaddr(pthread_attr_t *attr, void *stack);
+WINPTHREAD_API int pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *size);
+WINPTHREAD_API int pthread_attr_setstacksize(pthread_attr_t *attr, size_t size);
+
+WINPTHREAD_API int pthread_mutexattr_init(pthread_mutexattr_t *a);
+WINPTHREAD_API int pthread_mutexattr_destroy(pthread_mutexattr_t *a);
+WINPTHREAD_API int pthread_mutexattr_gettype(const pthread_mutexattr_t *a, int *type);
+WINPTHREAD_API int pthread_mutexattr_settype(pthread_mutexattr_t *a, int type);
+WINPTHREAD_API int pthread_mutexattr_getpshared(const pthread_mutexattr_t *a, int *type);
+WINPTHREAD_API int pthread_mutexattr_setpshared(pthread_mutexattr_t * a, int type);
+WINPTHREAD_API int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *a, int *type);
+WINPTHREAD_API int pthread_mutexattr_setprotocol(pthread_mutexattr_t *a, int type);
+WINPTHREAD_API int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *a, int * prio);
+WINPTHREAD_API int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *a, int prio);
+WINPTHREAD_API int pthread_getconcurrency(void);
+WINPTHREAD_API int pthread_setconcurrency(int new_level);
+
+WINPTHREAD_API int pthread_condattr_destroy(pthread_condattr_t *a);
+WINPTHREAD_API int pthread_condattr_init(pthread_condattr_t *a);
+WINPTHREAD_API int pthread_condattr_getpshared(const pthread_condattr_t *a, int *s);
+WINPTHREAD_API int pthread_condattr_setpshared(pthread_condattr_t *a, int s);
+
+#ifndef __clockid_t_defined
+typedef int clockid_t;
+#define __clockid_t_defined 1
+#endif  /* __clockid_t_defined */
+
+WINPTHREAD_API int pthread_condattr_getclock (const pthread_condattr_t *attr,
+       clockid_t *clock_id);
+WINPTHREAD_API int pthread_condattr_setclock(pthread_condattr_t *attr,
+       clockid_t clock_id);
+WINPTHREAD_API int __pthread_clock_nanosleep(clockid_t clock_id, int flags, const struct timespec *rqtp, struct timespec *rmtp);
+
+WINPTHREAD_API int pthread_barrierattr_init(void **attr);
+WINPTHREAD_API int pthread_barrierattr_destroy(void **attr);
+WINPTHREAD_API int pthread_barrierattr_setpshared(void **attr, int s);
+WINPTHREAD_API int pthread_barrierattr_getpshared(void **attr, int *s);
+
+/* Private extensions for analysis and internal use.  */
+WINPTHREAD_API struct _pthread_cleanup ** pthread_getclean (void);
+WINPTHREAD_API void * pthread_gethandle (pthread_t t);
+WINPTHREAD_API void * pthread_getevent (void);
+
+WINPTHREAD_API unsigned long long _pthread_rel_time_in_ms(const struct timespec *ts);
+WINPTHREAD_API unsigned long long _pthread_time_in_ms(void);
+WINPTHREAD_API unsigned long long _pthread_time_in_ms_from_timespec(const struct timespec *ts);
+WINPTHREAD_API int _pthread_tryjoin (pthread_t t, void **res);
+WINPTHREAD_API int pthread_rwlockattr_destroy(pthread_rwlockattr_t *a);
+WINPTHREAD_API int pthread_rwlockattr_getpshared(pthread_rwlockattr_t *a, int *s);
+WINPTHREAD_API int pthread_rwlockattr_init(pthread_rwlockattr_t *a);
+WINPTHREAD_API int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *a, int s);
+
+#ifndef SIG_BLOCK
+#define SIG_BLOCK 0
+#endif
+#ifndef SIG_UNBLOCK
+#define SIG_UNBLOCK 1
+#endif
+#ifndef SIG_SETMASK
+#define SIG_SETMASK 2
+#endif
+
+#include <pthread_unistd.h>
+
+#undef _POSIX_THREAD_DESTRUCTOR_ITERATIONS
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS     PTHREAD_DESTRUCTOR_ITERATIONS
+
+#undef _POSIX_THREAD_KEYS_MAX
+#define _POSIX_THREAD_KEYS_MAX                  PTHREAD_KEYS_MAX
+
+#undef PTHREAD_THREADS_MAX
+#define PTHREAD_THREADS_MAX                     2019
+
+#undef _POSIX_SEM_NSEMS_MAX
+#define _POSIX_SEM_NSEMS_MAX                    256
+
+#undef SEM_NSEMS_MAX
+#define SEM_NSEMS_MAX                           1024
+
+/* Wrap cancellation points.  */
+#if defined(__WINPTHREAD_ENABLE_WRAP_API) \
+    || defined(__WINPTRHEAD_ENABLE_WRAP_API) /* historical typo */
+#define accept(...) (pthread_testcancel(), accept(__VA_ARGS__))
+#define aio_suspend(...) (pthread_testcancel(), aio_suspend(__VA_ARGS__))
+#define clock_nanosleep(...) (pthread_testcancel(), clock_nanosleep(__VA_ARGS__))
+#define close(...) (pthread_testcancel(), close(__VA_ARGS__))
+#define connect(...) (pthread_testcancel(), connect(__VA_ARGS__))
+#define creat(...) (pthread_testcancel(), creat(__VA_ARGS__))
+#define fcntl(...) (pthread_testcancel(), fcntl(__VA_ARGS__))
+#define fdatasync(...) (pthread_testcancel(), fdatasync(__VA_ARGS__))
+#define fsync(...) (pthread_testcancel(), fsync(__VA_ARGS__))
+#define getmsg(...) (pthread_testcancel(), getmsg(__VA_ARGS__))
+#define getpmsg(...) (pthread_testcancel(), getpmsg(__VA_ARGS__))
+#define lockf(...) (pthread_testcancel(), lockf(__VA_ARGS__))
+#define mg_receive(...) (pthread_testcancel(), mg_receive(__VA_ARGS__))
+#define mg_send(...) (pthread_testcancel(), mg_send(__VA_ARGS__))
+#define mg_timedreceive(...) (pthread_testcancel(), mg_timedreceive(__VA_ARGS__))
+#define mg_timessend(...) (pthread_testcancel(), mg_timedsend(__VA_ARGS__))
+#define msgrcv(...) (pthread_testcancel(), msgrecv(__VA_ARGS__))
+#define msgsnd(...) (pthread_testcancel(), msgsnd(__VA_ARGS__))
+#define msync(...) (pthread_testcancel(), msync(__VA_ARGS__))
+#define nanosleep(...) (pthread_testcancel(), nanosleep(__VA_ARGS__))
+#define open(...) (pthread_testcancel(), open(__VA_ARGS__))
+#define pause(...) (pthread_testcancel(), pause(__VA_ARGS__))
+#define poll(...) (pthread_testcancel(), poll(__VA_ARGS__))
+#define pread(...) (pthread_testcancel(), pread(__VA_ARGS__))
+#define pselect(...) (pthread_testcancel(), pselect(__VA_ARGS__))
+#define putmsg(...) (pthread_testcancel(), putmsg(__VA_ARGS__))
+#define putpmsg(...) (pthread_testcancel(), putpmsg(__VA_ARGS__))
+#define pwrite(...) (pthread_testcancel(), pwrite(__VA_ARGS__))
+#define read(...) (pthread_testcancel(), read(__VA_ARGS__))
+#define readv(...) (pthread_testcancel(), readv(__VA_ARGS__))
+#define recv(...) (pthread_testcancel(), recv(__VA_ARGS__))
+#define recvfrom(...) (pthread_testcancel(), recvfrom(__VA_ARGS__))
+#define recvmsg(...) (pthread_testcancel(), recvmsg(__VA_ARGS__))
+#define select(...) (pthread_testcancel(), select(__VA_ARGS__))
+#define sem_timedwait(...) (pthread_testcancel(), sem_timedwait(__VA_ARGS__))
+#define sem_wait(...) (pthread_testcancel(), sem_wait(__VA_ARGS__))
+#define send(...) (pthread_testcancel(), send(__VA_ARGS__))
+#define sendmsg(...) (pthread_testcancel(), sendmsg(__VA_ARGS__))
+#define sendto(...) (pthread_testcancel(), sendto(__VA_ARGS__))
+#define sigpause(...) (pthread_testcancel(), sigpause(__VA_ARGS__))
+#define sigsuspend(...) (pthread_testcancel(), sigsuspend(__VA_ARGS__))
+#define sigwait(...) (pthread_testcancel(), sigwait(__VA_ARGS__))
+#define sigwaitinfo(...) (pthread_testcancel(), sigwaitinfo(__VA_ARGS__))
+#define sleep(...) (pthread_testcancel(), sleep(__VA_ARGS__))
+//#define Sleep(...) (pthread_testcancel(), Sleep(__VA_ARGS__))
+#define system(...) (pthread_testcancel(), system(__VA_ARGS__))
+#define access(...) (pthread_testcancel(), access(__VA_ARGS__))
+#define asctime(...) (pthread_testcancel(), asctime(__VA_ARGS__))
+#define catclose(...) (pthread_testcancel(), catclose(__VA_ARGS__))
+#define catgets(...) (pthread_testcancel(), catgets(__VA_ARGS__))
+#define catopen(...) (pthread_testcancel(), catopen(__VA_ARGS__))
+#define closedir(...) (pthread_testcancel(), closedir(__VA_ARGS__))
+#define closelog(...) (pthread_testcancel(), closelog(__VA_ARGS__))
+#define ctermid(...) (pthread_testcancel(), ctermid(__VA_ARGS__))
+#define ctime(...) (pthread_testcancel(), ctime(__VA_ARGS__))
+#define dbm_close(...) (pthread_testcancel(), dbm_close(__VA_ARGS__))
+#define dbm_delete(...) (pthread_testcancel(), dbm_delete(__VA_ARGS__))
+#define dbm_fetch(...) (pthread_testcancel(), dbm_fetch(__VA_ARGS__))
+#define dbm_nextkey(...) (pthread_testcancel(), dbm_nextkey(__VA_ARGS__))
+#define dbm_open(...) (pthread_testcancel(), dbm_open(__VA_ARGS__))
+#define dbm_store(...) (pthread_testcancel(), dbm_store(__VA_ARGS__))
+#define dlclose(...) (pthread_testcancel(), dlclose(__VA_ARGS__))
+#define dlopen(...) (pthread_testcancel(), dlopen(__VA_ARGS__))
+#define endgrent(...) (pthread_testcancel(), endgrent(__VA_ARGS__))
+#define endhostent(...) (pthread_testcancel(), endhostent(__VA_ARGS__))
+#define endnetent(...) (pthread_testcancel(), endnetent(__VA_ARGS__))
+#define endprotoent(...) (pthread_testcancel(), endprotoend(__VA_ARGS__))
+#define endpwent(...) (pthread_testcancel(), endpwent(__VA_ARGS__))
+#define endservent(...) (pthread_testcancel(), endservent(__VA_ARGS__))
+#define endutxent(...) (pthread_testcancel(), endutxent(__VA_ARGS__))
+#define fclose(...) (pthread_testcancel(), fclose(__VA_ARGS__))
+#define fflush(...) (pthread_testcancel(), fflush(__VA_ARGS__))
+#define fgetc(...) (pthread_testcancel(), fgetc(__VA_ARGS__))
+#define fgetpos(...) (pthread_testcancel(), fgetpos(__VA_ARGS__))
+#define fgets(...) (pthread_testcancel(), fgets(__VA_ARGS__))
+#define fgetwc(...) (pthread_testcancel(), fgetwc(__VA_ARGS__))
+#define fgetws(...) (pthread_testcancel(), fgetws(__VA_ARGS__))
+#define fmtmsg(...) (pthread_testcancel(), fmtmsg(__VA_ARGS__))
+#define fopen(...) (pthread_testcancel(), fopen(__VA_ARGS__))
+#define fpathconf(...) (pthread_testcancel(), fpathconf(__VA_ARGS__))
+#define fprintf(...) (pthread_testcancel(), fprintf(__VA_ARGS__))
+#define fputc(...) (pthread_testcancel(), fputc(__VA_ARGS__))
+#define fputs(...) (pthread_testcancel(), fputs(__VA_ARGS__))
+#define fputwc(...) (pthread_testcancel(), fputwc(__VA_ARGS__))
+#define fputws(...) (pthread_testcancel(), fputws(__VA_ARGS__))
+#define fread(...) (pthread_testcancel(), fread(__VA_ARGS__))
+#define freopen(...) (pthread_testcancel(), freopen(__VA_ARGS__))
+#define fscanf(...) (pthread_testcancel(), fscanf(__VA_ARGS__))
+#define fseek(...) (pthread_testcancel(), fseek(__VA_ARGS__))
+#define fseeko(...) (pthread_testcancel(), fseeko(__VA_ARGS__))
+#define fsetpos(...) (pthread_testcancel(), fsetpos(__VA_ARGS__))
+#define fstat(...) (pthread_testcancel(), fstat(__VA_ARGS__))
+#define ftell(...) (pthread_testcancel(), ftell(__VA_ARGS__))
+#define ftello(...) (pthread_testcancel(), ftello(__VA_ARGS__))
+#define ftw(...) (pthread_testcancel(), ftw(__VA_ARGS__))
+#define fwprintf(...) (pthread_testcancel(), fwprintf(__VA_ARGS__))
+#define fwrite(...) (pthread_testcancel(), fwrite(__VA_ARGS__))
+#define fwscanf(...) (pthread_testcancel(), fwscanf(__VA_ARGS__))
+#define getaddrinfo(...) (pthread_testcancel(), getaddrinfo(__VA_ARGS__))
+#define getc(...) (pthread_testcancel(), getc(__VA_ARGS__))
+#define getc_unlocked(...) (pthread_testcancel(), getc_unlocked(__VA_ARGS__))
+#define getchar(...) (pthread_testcancel(), getchar(__VA_ARGS__))
+#define getchar_unlocked(...) (pthread_testcancel(), getchar_unlocked(__VA_ARGS__))
+#define getcwd(...) (pthread_testcancel(), getcwd(__VA_ARGS__))
+#define getdate(...) (pthread_testcancel(), getdate(__VA_ARGS__))
+#define getgrent(...) (pthread_testcancel(), getgrent(__VA_ARGS__))
+#define getgrgid(...) (pthread_testcancel(), getgrgid(__VA_ARGS__))
+#define getgrgid_r(...) (pthread_testcancel(), getgrgid_r(__VA_ARGS__))
+#define gergrnam(...) (pthread_testcancel(), getgrnam(__VA_ARGS__))
+#define getgrnam_r(...) (pthread_testcancel(), getgrnam_r(__VA_ARGS__))
+#define gethostbyaddr(...) (pthread_testcancel(), gethostbyaddr(__VA_ARGS__))
+#define gethostbyname(...) (pthread_testcancel(), gethostbyname(__VA_ARGS__))
+#define gethostent(...) (pthread_testcancel(), gethostent(__VA_ARGS__))
+#define gethostid(...) (pthread_testcancel(), gethostid(__VA_ARGS__))
+#define gethostname(...) (pthread_testcancel(), gethostname(__VA_ARGS__))
+#define getlogin(...) (pthread_testcancel(), getlogin(__VA_ARGS__))
+#define getlogin_r(...) (pthread_testcancel(), getlogin_r(__VA_ARGS__))
+#define getnameinfo(...) (pthread_testcancel(), getnameinfo(__VA_ARGS__))
+#define getnetbyaddr(...) (pthread_testcancel(), getnetbyaddr(__VA_ARGS__))
+#define getnetbyname(...) (pthread_testcancel(), getnetbyname(__VA_ARGS__))
+#define getnetent(...) (pthread_testcancel(), getnetent(__VA_ARGS__))
+#define getopt(...) (pthread_testcancel(), getopt(__VA_ARGS__))
+#define getprotobyname(...) (pthread_testcancel(), getprotobyname(__VA_ARGS__))
+#define getprotobynumber(...) (pthread_testcancel(), getprotobynumber(__VA_ARGS__))
+#define getprotoent(...) (pthread_testcancel(), getprotoent(__VA_ARGS__))
+#define getpwent(...) (pthread_testcancel(), getpwent(__VA_ARGS__))
+#define getpwnam(...) (pthread_testcancel(), getpwnam(__VA_ARGS__))
+#define getpwnam_r(...) (pthread_testcancel(), getpwnam_r(__VA_ARGS__))
+#define getpwuid(...) (pthread_testcancel(), getpwuid(__VA_ARGS__))
+#define getpwuid_r(...) (pthread_testcancel(), getpwuid_r(__VA_ARGS__))
+#define gets(...) (pthread_testcancel(), gets(__VA_ARGS__))
+#define getservbyname(...) (pthread_testcancel(), getservbyname(__VA_ARGS__))
+#define getservbyport(...) (pthread_testcancel(), getservbyport(__VA_ARGS__))
+#define getservent(...) (pthread_testcancel(), getservent(__VA_ARGS__))
+#define getutxent(...) (pthread_testcancel(), getutxent(__VA_ARGS__))
+#define getutxid(...) (pthread_testcancel(), getutxid(__VA_ARGS__))
+#define getutxline(...) (pthread_testcancel(), getutxline(__VA_ARGS__))
+#undef getwc
+#define getwc(...) (pthread_testcancel(), getwc(__VA_ARGS__))
+#undef getwchar
+#define getwchar(...) (pthread_testcancel(), getwchar(__VA_ARGS__))
+#define getwd(...) (pthread_testcancel(), getwd(__VA_ARGS__))
+#define glob(...) (pthread_testcancel(), glob(__VA_ARGS__))
+#define iconv_close(...) (pthread_testcancel(), iconv_close(__VA_ARGS__))
+#define iconv_open(...) (pthread_testcancel(), iconv_open(__VA_ARGS__))
+#define ioctl(...) (pthread_testcancel(), ioctl(__VA_ARGS__))
+#define link(...) (pthread_testcancel(), link(__VA_ARGS__))
+#define localtime(...) (pthread_testcancel(), localtime(__VA_ARGS__))
+#define lseek(...) (pthread_testcancel(), lseek(__VA_ARGS__))
+#define lstat(...) (pthread_testcancel(), lstat(__VA_ARGS__))
+#define mkstemp(...) (pthread_testcancel(), mkstemp(__VA_ARGS__))
+#define nftw(...) (pthread_testcancel(), nftw(__VA_ARGS__))
+#define opendir(...) (pthread_testcancel(), opendir(__VA_ARGS__))
+#define openlog(...) (pthread_testcancel(), openlog(__VA_ARGS__))
+#define pathconf(...) (pthread_testcancel(), pathconf(__VA_ARGS__))
+#define pclose(...) (pthread_testcancel(), pclose(__VA_ARGS__))
+#define perror(...) (pthread_testcancel(), perror(__VA_ARGS__))
+#define popen(...) (pthread_testcancel(), popen(__VA_ARGS__))
+#define posix_fadvise(...) (pthread_testcancel(), posix_fadvise(__VA_ARGS__))
+#define posix_fallocate(...) (pthread_testcancel(), posix_fallocate(__VA_ARGS__))
+#define posix_madvise(...) (pthread_testcancel(), posix_madvise(__VA_ARGS__))
+#define posix_openpt(...) (pthread_testcancel(), posix_openpt(__VA_ARGS__))
+#define posix_spawn(...) (pthread_testcancel(), posix_spawn(__VA_ARGS__))
+#define posix_spawnp(...) (pthread_testcancel(), posix_spawnp(__VA_ARGS__))
+#define posix_trace_clear(...) (pthread_testcancel(), posix_trace_clear(__VA_ARGS__))
+#define posix_trace_close(...) (pthread_testcancel(), posix_trace_close(__VA_ARGS__))
+#define posix_trace_create(...) (pthread_testcancel(), posix_trace_create(__VA_ARGS__))
+#define posix_trace_create_withlog(...) (pthread_testcancel(), posix_trace_create_withlog(__VA_ARGS__))
+#define posix_trace_eventtypelist_getne(...) (pthread_testcancel(), posix_trace_eventtypelist_getne(__VA_ARGS__))
+#define posix_trace_eventtypelist_rewin(...) (pthread_testcancel(), posix_trace_eventtypelist_rewin(__VA_ARGS__))
+#define posix_trace_flush(...) (pthread_testcancel(), posix_trace_flush(__VA_ARGS__))
+#define posix_trace_get_attr(...) (pthread_testcancel(), posix_trace_get_attr(__VA_ARGS__))
+#define posix_trace_get_filter(...) (pthread_testcancel(), posix_trace_get_filter(__VA_ARGS__))
+#define posix_trace_get_status(...) (pthread_testcancel(), posix_trace_get_status(__VA_ARGS__))
+#define posix_trace_getnext_event(...) (pthread_testcancel(), posix_trace_getnext_event(__VA_ARGS__))
+#define posix_trace_open(...) (pthread_testcancel(), posix_trace_open(__VA_ARGS__))
+#define posix_trace_rewind(...) (pthread_testcancel(), posix_trace_rewind(__VA_ARGS__))
+#define posix_trace_setfilter(...) (pthread_testcancel(), posix_trace_setfilter(__VA_ARGS__))
+#define posix_trace_shutdown(...) (pthread_testcancel(), posix_trace_shutdown(__VA_ARGS__))
+#define posix_trace_timedgetnext_event(...) (pthread_testcancel(), posix_trace_timedgetnext_event(__VA_ARGS__))
+#define posix_typed_mem_open(...) (pthread_testcancel(), posix_typed_mem_open(__VA_ARGS__))
+#define printf(...) (pthread_testcancel(), printf(__VA_ARGS__))
+#define putc(...) (pthread_testcancel(), putc(__VA_ARGS__))
+#define putc_unlocked(...) (pthread_testcancel(), putc_unlocked(__VA_ARGS__))
+#define putchar(...) (pthread_testcancel(), putchar(__VA_ARGS__))
+#define putchar_unlocked(...) (pthread_testcancel(), putchar_unlocked(__VA_ARGS__))
+#define puts(...) (pthread_testcancel(), puts(__VA_ARGS__))
+#define pututxline(...) (pthread_testcancel(), pututxline(__VA_ARGS__))
+#undef putwc
+#define putwc(...) (pthread_testcancel(), putwc(__VA_ARGS__))
+#undef putwchar
+#define putwchar(...) (pthread_testcancel(), putwchar(__VA_ARGS__))
+#define readdir(...) (pthread_testcancel(), readdir(__VA_ARSG__))
+#define readdir_r(...) (pthread_testcancel(), readdir_r(__VA_ARGS__))
+#define remove(...) (pthread_testcancel(), remove(__VA_ARGS__))
+#define rename(...) (pthread_testcancel(), rename(__VA_ARGS__))
+#define rewind(...) (pthread_testcancel(), rewind(__VA_ARGS__))
+#define rewinddir(...) (pthread_testcancel(), rewinddir(__VA_ARGS__))
+#define scanf(...) (pthread_testcancel(), scanf(__VA_ARGS__))
+#define seekdir(...) (pthread_testcancel(), seekdir(__VA_ARGS__))
+#define semop(...) (pthread_testcancel(), semop(__VA_ARGS__))
+#define setgrent(...) (pthread_testcancel(), setgrent(__VA_ARGS__))
+#define sethostent(...) (pthread_testcancel(), sethostemt(__VA_ARGS__))
+#define setnetent(...) (pthread_testcancel(), setnetent(__VA_ARGS__))
+#define setprotoent(...) (pthread_testcancel(), setprotoent(__VA_ARGS__))
+#define setpwent(...) (pthread_testcancel(), setpwent(__VA_ARGS__))
+#define setservent(...) (pthread_testcancel(), setservent(__VA_ARGS__))
+#define setutxent(...) (pthread_testcancel(), setutxent(__VA_ARGS__))
+#define stat(...) (pthread_testcancel(), stat(__VA_ARGS__))
+#define strerror(...) (pthread_testcancel(), strerror(__VA_ARGS__))
+#define strerror_r(...) (pthread_testcancel(), strerror_r(__VA_ARGS__))
+#define strftime(...) (pthread_testcancel(), strftime(__VA_ARGS__))
+#define symlink(...) (pthread_testcancel(), symlink(__VA_ARGS__))
+#define sync(...) (pthread_testcancel(), sync(__VA_ARGS__))
+#define syslog(...) (pthread_testcancel(), syslog(__VA_ARGS__))
+#define tmpfile(...) (pthread_testcancel(), tmpfile(__VA_ARGS__))
+#define tmpnam(...) (pthread_testcancel(), tmpnam(__VA_ARGS__))
+#define ttyname(...) (pthread_testcancel(), ttyname(__VA_ARGS__))
+#define ttyname_r(...) (pthread_testcancel(), ttyname_r(__VA_ARGS__))
+#define tzset(...) (pthread_testcancel(), tzset(__VA_ARGS__))
+#define ungetc(...) (pthread_testcancel(), ungetc(__VA_ARGS__))
+#define ungetwc(...) (pthread_testcancel(), ungetwc(__VA_ARGS__))
+#define unlink(...) (pthread_testcancel(), unlink(__VA_ARGS__))
+#define vfprintf(...) (pthread_testcancel(), vfprintf(__VA_ARGS__))
+#define vfwprintf(...) (pthread_testcancel(), vfwprintf(__VA_ARGS__))
+#define vprintf(...) (pthread_testcancel(), vprintf(__VA_ARGS__))
+#define vwprintf(...) (pthread_testcancel(), vwprintf(__VA_ARGS__))
+#define wcsftime(...) (pthread_testcancel(), wcsftime(__VA_ARGS__))
+#define wordexp(...) (pthread_testcancel(), wordexp(__VA_ARGS__))
+#define wprintf(...) (pthread_testcancel(), wprintf(__VA_ARGS__))
+#define wscanf(...) (pthread_testcancel(), wscanf(__VA_ARGS__))
+#endif
+
+/* We deal here with a gcc issue for posix threading on Windows.
+   We would need to change here gcc's gthr-posix.h header, but this
+   got rejected.  So we deal it within this header.  */
+#ifdef _GTHREAD_USE_MUTEX_INIT_FUNC
+#undef _GTHREAD_USE_MUTEX_INIT_FUNC
+#endif
+#define _GTHREAD_USE_MUTEX_INIT_FUNC 1
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* WIN_PTHREADS_H */
diff --git a/vendor/zgui/libs/winpthreads/include/pthread_compat.h b/vendor/zgui/libs/winpthreads/include/pthread_compat.h
new file mode 100644
index 0000000..63f5f49
--- /dev/null
+++ b/vendor/zgui/libs/winpthreads/include/pthread_compat.h
@@ -0,0 +1,86 @@
+/*
+   Copyright (c) 2011-2016  mingw-w64 project
+
+   Permission is hereby granted, free of charge, to any person obtaining a
+   copy of this software and associated documentation files (the "Software"),
+   to deal in the Software without restriction, including without limitation
+   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+   and/or sell copies of the Software, and to permit persons to whom the
+   Software is furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+*/
+
+/*
+ * Parts of this library are derived by:
+ *
+ * Posix Threads library for Microsoft Windows
+ *
+ * Use at own risk, there is no implied warranty to this code.
+ * It uses undocumented features of Microsoft Windows that can change
+ * at any time in the future.
+ *
+ * (C) 2010 Lockless Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *  * Neither the name of Lockless Inc. nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AN
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef WIN_PTHREADS_PTHREAD_COMPAT_H
+#define WIN_PTHREADS_PTHREAD_COMPAT_H
+
+#ifdef __GNUC__
+
+#define WINPTHREADS_INLINE inline
+#define WINPTHREADS_ATTRIBUTE(X) __attribute__(X)
+#define WINPTHREADS_SECTION(X) __section__(X)
+
+#elif _MSC_VER
+
+#include "pthread_time.h"
+
+#ifdef _WIN64
+typedef __int64 pid_t;
+#else
+typedef int     pid_t;
+#endif
+typedef int clockid_t;
+
+#define WINPTHREADS_INLINE __inline
+#define WINPTHREADS_ATTRIBUTE(X) __declspec X
+#define WINPTHREADS_SECTION(X) allocate(X)
+
+#endif
+
+#endif
diff --git a/vendor/zgui/libs/winpthreads/include/pthread_signal.h b/vendor/zgui/libs/winpthreads/include/pthread_signal.h
new file mode 100644
index 0000000..42a50ae
--- /dev/null
+++ b/vendor/zgui/libs/winpthreads/include/pthread_signal.h
@@ -0,0 +1,29 @@
+/*
+   Copyright (c) 2013-2016  mingw-w64 project
+
+   Permission is hereby granted, free of charge, to any person obtaining a
+   copy of this software and associated documentation files (the "Software"),
+   to deal in the Software without restriction, including without limitation
+   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+   and/or sell copies of the Software, and to permit persons to whom the
+   Software is furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef WIN_PTHREADS_SIGNAL_H
+#define WIN_PTHREADS_SIGNAL_H
+
+/* Windows has rudimentary signals support.  */
+#define pthread_sigmask(H, S1, S2) 0
+
+#endif /* WIN_PTHREADS_SIGNAL_H */
diff --git a/vendor/zgui/libs/winpthreads/include/pthread_time.h b/vendor/zgui/libs/winpthreads/include/pthread_time.h
new file mode 100644
index 0000000..eec4168
--- /dev/null
+++ b/vendor/zgui/libs/winpthreads/include/pthread_time.h
@@ -0,0 +1,102 @@
+/*
+   Copyright (c) 2011-2016  mingw-w64 project
+
+   Permission is hereby granted, free of charge, to any person obtaining a
+   copy of this software and associated documentation files (the "Software"),
+   to deal in the Software without restriction, including without limitation
+   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+   and/or sell copies of the Software, and to permit persons to whom the
+   Software is furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+*/
+
+#include <sys/timeb.h>
+
+#ifndef WIN_PTHREADS_TIME_H
+#define WIN_PTHREADS_TIME_H
+
+/* Posix timers are supported */
+#ifndef _POSIX_TIMERS
+#define _POSIX_TIMERS           200809L
+#endif
+
+/* Monotonic clocks are available.  */
+#ifndef _POSIX_MONOTONIC_CLOCK
+#define _POSIX_MONOTONIC_CLOCK  200809L
+#endif
+
+/* CPU-time clocks are available.  */
+#ifndef _POSIX_CPUTIME
+#define _POSIX_CPUTIME          200809L
+#endif
+
+/* Clock support in threads are available.  */
+#ifndef _POSIX_THREAD_CPUTIME
+#define _POSIX_THREAD_CPUTIME   200809L
+#endif
+
+#ifndef __clockid_t_defined
+typedef int clockid_t;
+#define __clockid_t_defined 1
+#endif  /* __clockid_t_defined */
+
+#ifndef TIMER_ABSTIME
+#define TIMER_ABSTIME   1
+#endif
+
+#ifndef CLOCK_REALTIME
+#define CLOCK_REALTIME              0
+#endif
+
+#ifndef CLOCK_MONOTONIC
+#define CLOCK_MONOTONIC             1
+#endif
+
+#ifndef CLOCK_PROCESS_CPUTIME_ID
+#define CLOCK_PROCESS_CPUTIME_ID    2
+#endif
+
+#ifndef CLOCK_THREAD_CPUTIME_ID
+#define CLOCK_THREAD_CPUTIME_ID     3
+#endif
+
+#ifndef CLOCK_REALTIME_COARSE
+#define CLOCK_REALTIME_COARSE       4
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Make sure we provide default for WINPTHREAD_API, if not defined.  */
+#pragma push_macro("WINPTHREAD_API")
+#ifndef WINPTHREAD_API
+#define WINPTHREAD_API
+#endif
+
+/* These should really be dllimport'ed if using winpthread dll */
+WINPTHREAD_API int __cdecl nanosleep(const struct timespec *request, struct timespec *remain);
+
+WINPTHREAD_API int __cdecl clock_nanosleep(clockid_t clock_id, int flags, const struct timespec *request, struct timespec *remain);
+WINPTHREAD_API int __cdecl clock_getres(clockid_t clock_id, struct timespec *res);
+WINPTHREAD_API int __cdecl clock_gettime(clockid_t clock_id, struct timespec *tp);
+WINPTHREAD_API int __cdecl clock_settime(clockid_t clock_id, const struct timespec *tp);
+
+#pragma pop_macro("WINPTHREAD_API")
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* WIN_PTHREADS_TIME_H */
+
diff --git a/vendor/zgui/libs/winpthreads/include/pthread_unistd.h b/vendor/zgui/libs/winpthreads/include/pthread_unistd.h
new file mode 100644
index 0000000..6469353
--- /dev/null
+++ b/vendor/zgui/libs/winpthreads/include/pthread_unistd.h
@@ -0,0 +1,192 @@
+/*
+   Copyright (c) 2011-2016  mingw-w64 project
+
+   Permission is hereby granted, free of charge, to any person obtaining a
+   copy of this software and associated documentation files (the "Software"),
+   to deal in the Software without restriction, including without limitation
+   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+   and/or sell copies of the Software, and to permit persons to whom the
+   Software is furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef WIN_PTHREADS_UNISTD_H
+#define WIN_PTHREADS_UNISTD_H
+
+/* Set defines described by the POSIX Threads Extension (1003.1c-1995) */
+/* _SC_THREADS
+  Basic support for POSIX threads is available. The functions
+
+  pthread_atfork(),
+  pthread_attr_destroy(),
+  pthread_attr_getdetachstate(),
+  pthread_attr_getschedparam(),
+  pthread_attr_init(),
+  pthread_attr_setdetachstate(),
+  pthread_attr_setschedparam(),
+  pthread_cancel(),
+  pthread_cleanup_push(),
+  pthread_cleanup_pop(),
+  pthread_cond_broadcast(),
+  pthread_cond_destroy(),
+  pthread_cond_init(),
+  pthread_cond_signal(),
+  pthread_cond_timedwait(),
+  pthread_cond_wait(),
+  pthread_condattr_destroy(),
+  pthread_condattr_init(),
+  pthread_create(),
+  pthread_detach(),
+  pthread_equal(),
+  pthread_exit(),
+  pthread_getspecific(),
+  pthread_join(,
+  pthread_key_create(),
+  pthread_key_delete(),
+  pthread_mutex_destroy(),
+  pthread_mutex_init(),
+  pthread_mutex_lock(),
+  pthread_mutex_trylock(),
+  pthread_mutex_unlock(),
+  pthread_mutexattr_destroy(),
+  pthread_mutexattr_init(),
+  pthread_once(),
+  pthread_rwlock_destroy(),
+  pthread_rwlock_init(),
+  pthread_rwlock_rdlock(),
+  pthread_rwlock_tryrdlock(),
+  pthread_rwlock_trywrlock(),
+  pthread_rwlock_unlock(),
+  pthread_rwlock_wrlock(),
+  pthread_rwlockattr_destroy(),
+  pthread_rwlockattr_init(),
+  pthread_self(),
+  pthread_setcancelstate(),
+  pthread_setcanceltype(),
+  pthread_setspecific(),
+  pthread_testcancel()
+
+  are present. */
+#undef _POSIX_THREADS
+#define _POSIX_THREADS 200112L
+
+/* _SC_READER_WRITER_LOCKS
+  This option implies the _POSIX_THREADS option. Conversely, under
+  POSIX 1003.1-2001 the _POSIX_THREADS option implies this option.
+
+  The functions
+  pthread_rwlock_destroy(),
+  pthread_rwlock_init(),
+  pthread_rwlock_rdlock(),
+  pthread_rwlock_tryrdlock(),
+  pthread_rwlock_trywrlock(),
+  pthread_rwlock_unlock(),
+  pthread_rwlock_wrlock(),
+  pthread_rwlockattr_destroy(),
+  pthread_rwlockattr_init()
+
+  are present.
+*/
+#undef _POSIX_READER_WRITER_LOCKS
+#define _POSIX_READER_WRITER_LOCKS 200112L
+
+/* _SC_SPIN_LOCKS
+  This option implies the _POSIX_THREADS and _POSIX_THREAD_SAFE_FUNCTIONS
+  options. The functions
+
+  pthread_spin_destroy(),
+  pthread_spin_init(),
+  pthread_spin_lock(),
+  pthread_spin_trylock(),
+  pthread_spin_unlock()
+
+  are present. */
+#undef _POSIX_SPIN_LOCKS
+#define _POSIX_SPIN_LOCKS 200112L
+
+/* _SC_BARRIERS
+  This option implies the _POSIX_THREADS and _POSIX_THREAD_SAFE_FUNCTIONS
+  options. The functions
+
+  pthread_barrier_destroy(),
+  pthread_barrier_init(),
+  pthread_barrier_wait(),
+  pthread_barrierattr_destroy(),
+  pthread_barrierattr_init()
+
+  are present.
+*/
+#undef _POSIX_BARRIERS
+#define _POSIX_BARRIERS 200112L
+
+/* _SC_TIMEOUTS
+  The functions
+
+  mq_timedreceive(), - not supported
+  mq_timedsend(), - not supported
+  posix_trace_timedgetnext_event(), - not supported
+  pthread_mutex_timedlock(),
+  pthread_rwlock_timedrdlock(),
+  pthread_rwlock_timedwrlock(),
+  sem_timedwait(),
+
+  are present. */
+#undef _POSIX_TIMEOUTS
+#define _POSIX_TIMEOUTS 200112L
+
+/* _SC_TIMERS - not supported
+  The functions
+
+  clock_getres(),
+  clock_gettime(),
+  clock_settime(),
+  nanosleep(),
+  timer_create(),
+  timer_delete(),
+  timer_gettime(),
+  timer_getoverrun(),
+  timer_settime()
+
+  are present.  */
+/* #undef _POSIX_TIMERS */
+
+/* _SC_CLOCK_SELECTION
+   This option implies the _POSIX_TIMERS option. The functions
+
+   pthread_condattr_getclock(),
+   pthread_condattr_setclock(),
+   clock_nanosleep()
+
+   are present.
+*/
+#undef _POSIX_CLOCK_SELECTION
+#define _POSIX_CLOCK_SELECTION 200112
+
+/* _SC_SEMAPHORES
+  The include file <semaphore.h> is present. The functions
+
+  sem_close(),
+  sem_destroy(),
+  sem_getvalue(),
+  sem_init(),
+  sem_open(),
+  sem_post(),
+  sem_trywait(),
+  sem_unlink(),
+  sem_wait()
+
+  are present. */
+#undef _POSIX_SEMAPHORES
+#define _POSIX_SEMAPHORES 200112
+
+#endif /* WIN_PTHREADS_UNISTD_H */
diff --git a/vendor/zgui/libs/winpthreads/include/sched.h b/vendor/zgui/libs/winpthreads/include/sched.h
new file mode 100644
index 0000000..bf28487
--- /dev/null
+++ b/vendor/zgui/libs/winpthreads/include/sched.h
@@ -0,0 +1,83 @@
+/*
+   Copyright (c) 2011-2016  mingw-w64 project
+
+   Permission is hereby granted, free of charge, to any person obtaining a
+   copy of this software and associated documentation files (the "Software"),
+   to deal in the Software without restriction, including without limitation
+   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+   and/or sell copies of the Software, and to permit persons to whom the
+   Software is furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+*/
+
+#include <stddef.h>
+#include <errno.h>
+#include <sys/types.h>
+
+#include <process.h>
+#include <limits.h>
+#include <signal.h>
+
+#include <sys/timeb.h>
+
+#ifndef WIN_PTHREADS_SCHED_H
+#define WIN_PTHREADS_SCHED_H
+
+#ifndef SCHED_OTHER
+/* Some POSIX realtime extensions, mostly stubbed */
+#define SCHED_OTHER     0
+#define SCHED_FIFO      1
+#define SCHED_RR        2
+#define SCHED_MIN       SCHED_OTHER
+#define SCHED_MAX       SCHED_RR
+
+struct sched_param {
+  int sched_priority;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(IN_WINPTHREAD)
+#  if defined(DLL_EXPORT) && !defined(WINPTHREAD_EXPORT_ALL_DEBUG)
+#    define WINPTHREAD_SCHED_API  __declspec(dllexport)  /* building the DLL  */
+#  else
+#    define WINPTHREAD_SCHED_API  /* building the static library  */
+#  endif
+#else
+#  if defined(WINPTHREADS_USE_DLLIMPORT)
+#    define WINPTHREAD_SCHED_API  __declspec(dllimport)  /* user wants explicit `dllimport`  */
+#  else
+#    define WINPTHREAD_SCHED_API  /* the default; auto imported in case of DLL  */
+#  endif
+#endif
+
+WINPTHREAD_SCHED_API int sched_yield(void);
+WINPTHREAD_SCHED_API int sched_get_priority_min(int pol);
+WINPTHREAD_SCHED_API int sched_get_priority_max(int pol);
+WINPTHREAD_SCHED_API int sched_getscheduler(pid_t pid);
+WINPTHREAD_SCHED_API int sched_setscheduler(pid_t pid, int pol, const struct sched_param *param);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#ifndef sched_rr_get_interval
+#define sched_rr_get_interval(_p, _i) \
+  ( errno = ENOTSUP, (int) -1 )
+#endif
+
+#endif /* WIN_PTHREADS_SCHED_H */
diff --git a/vendor/zgui/libs/winpthreads/include/semaphore.h b/vendor/zgui/libs/winpthreads/include/semaphore.h
new file mode 100644
index 0000000..8e3fa6f
--- /dev/null
+++ b/vendor/zgui/libs/winpthreads/include/semaphore.h
@@ -0,0 +1,85 @@
+/*
+   Copyright (c) 2011-2016  mingw-w64 project
+
+   Permission is hereby granted, free of charge, to any person obtaining a
+   copy of this software and associated documentation files (the "Software"),
+   to deal in the Software without restriction, including without limitation
+   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+   and/or sell copies of the Software, and to permit persons to whom the
+   Software is furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef WIN_PTHREADS_SEMAPHORE_H
+#define WIN_PTHREADS_SEMAPHORE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(IN_WINPTHREAD)
+#  if defined(DLL_EXPORT) && !defined(WINPTHREAD_EXPORT_ALL_DEBUG)
+#    define WINPTHREAD_SEMA_API  __declspec(dllexport)  /* building the DLL  */
+#  else
+#    define WINPTHREAD_SEMA_API  /* building the static library  */
+#  endif
+#else
+#  if defined(WINPTHREADS_USE_DLLIMPORT)
+#    define WINPTHREAD_SEMA_API  __declspec(dllimport)  /* user wants explicit `dllimport`  */
+#  else
+#    define WINPTHREAD_SEMA_API  /* the default; auto imported in case of DLL  */
+#  endif
+#endif
+
+/* Set this to 0 to disable it */
+#define USE_SEM_CriticalSection_SpinCount	100
+
+#define SEM_VALUE_MAX   INT_MAX
+
+#ifndef _MODE_T_
+#define	_MODE_T_
+typedef unsigned short mode_t;
+#endif
+
+typedef void		*sem_t;
+
+#define SEM_FAILED 		NULL
+
+WINPTHREAD_SEMA_API int sem_init(sem_t * sem, int pshared, unsigned int value);
+
+WINPTHREAD_SEMA_API int sem_destroy(sem_t *sem);
+
+WINPTHREAD_SEMA_API int sem_trywait(sem_t *sem);
+
+WINPTHREAD_SEMA_API int sem_wait(sem_t *sem);
+
+WINPTHREAD_SEMA_API int sem_timedwait(sem_t * sem, const struct timespec *t);
+
+WINPTHREAD_SEMA_API int sem_post(sem_t *sem);
+
+WINPTHREAD_SEMA_API int sem_post_multiple(sem_t *sem, int count);
+
+/* yes, it returns a semaphore (or SEM_FAILED) */
+WINPTHREAD_SEMA_API sem_t * sem_open(const char * name, int oflag, mode_t mode, unsigned int value);
+
+WINPTHREAD_SEMA_API int sem_close(sem_t * sem);
+
+WINPTHREAD_SEMA_API int sem_unlink(const char * name);
+
+WINPTHREAD_SEMA_API int sem_getvalue(sem_t * sem, int * sval);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* WIN_PTHREADS_SEMAPHORE_H */