Copy changes from the no-history fork, generated back in 2023

Original commit message:
> commit f138311d2d2e0cc9ba0496d523bb46f2c1c9fb73
> Author: rtk0c <[email protected]>
> Date:   Wed Sep 20 23:58:58 2023 -0700
>
>     Copy from the PlasticSCM repo, replace vendored glm wtih conan

In reality, this also introduced a few uncommitted changes in the
original PlasticSCM repo. See the modified and new files in this patch.

1 files changed, 0 insertions, 594 deletions

diff --git a/3rdparty/glfw/source/deps/tinycthread.c b/3rdparty/glfw/source/deps/tinycthread.c
deleted file mode 100644
index f9cea2e..0000000
--- a/3rdparty/glfw/source/deps/tinycthread.c
+++ /dev/null
@@ -1,594 +0,0 @@
-/* -*- mode: c; tab-width: 2; indent-tabs-mode: nil; -*-
-Copyright (c) 2012 Marcus Geelnard
-
-This software is provided 'as-is', without any express or implied
-warranty. In no event will the authors be held liable for any damages
-arising from the use of this software.
-
-Permission is granted to anyone to use this software for any purpose,
-including commercial applications, and to alter it and redistribute it
-freely, subject to the following restrictions:
-
-    1. The origin of this software must not be misrepresented; you must not
-    claim that you wrote the original software. If you use this software
-    in a product, an acknowledgment in the product documentation would be
-    appreciated but is not required.
-
-    2. Altered source versions must be plainly marked as such, and must not be
-    misrepresented as being the original software.
-
-    3. This notice may not be removed or altered from any source
-    distribution.
-*/
-
-/* 2013-01-06 Camilla Löwy <[email protected]>
- *
- * Added casts from time_t to DWORD to avoid warnings on VC++.
- * Fixed time retrieval on POSIX systems.
- */
-
-#include "tinycthread.h"
-#include <stdlib.h>
-
-/* Platform specific includes */
-#if defined(_TTHREAD_POSIX_)
-  #include <signal.h>
-  #include <sched.h>
-  #include <unistd.h>
-  #include <sys/time.h>
-  #include <errno.h>
-#elif defined(_TTHREAD_WIN32_)
-  #include <process.h>
-  #include <sys/timeb.h>
-#endif
-
-/* Standard, good-to-have defines */
-#ifndef NULL
-  #define NULL (void*)0
-#endif
-#ifndef TRUE
-  #define TRUE 1
-#endif
-#ifndef FALSE
-  #define FALSE 0
-#endif
-
-int mtx_init(mtx_t *mtx, int type)
-{
-#if defined(_TTHREAD_WIN32_)
-  mtx->mAlreadyLocked = FALSE;
-  mtx->mRecursive = type & mtx_recursive;
-  InitializeCriticalSection(&mtx->mHandle);
-  return thrd_success;
-#else
-  int ret;
-  pthread_mutexattr_t attr;
-  pthread_mutexattr_init(&attr);
-  if (type & mtx_recursive)
-  {
-    pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
-  }
-  ret = pthread_mutex_init(mtx, &attr);
-  pthread_mutexattr_destroy(&attr);
-  return ret == 0 ? thrd_success : thrd_error;
-#endif
-}
-
-void mtx_destroy(mtx_t *mtx)
-{
-#if defined(_TTHREAD_WIN32_)
-  DeleteCriticalSection(&mtx->mHandle);
-#else
-  pthread_mutex_destroy(mtx);
-#endif
-}
-
-int mtx_lock(mtx_t *mtx)
-{
-#if defined(_TTHREAD_WIN32_)
-  EnterCriticalSection(&mtx->mHandle);
-  if (!mtx->mRecursive)
-  {
-    while(mtx->mAlreadyLocked) Sleep(1000); /* Simulate deadlock... */
-    mtx->mAlreadyLocked = TRUE;
-  }
-  return thrd_success;
-#else
-  return pthread_mutex_lock(mtx) == 0 ? thrd_success : thrd_error;
-#endif
-}
-
-int mtx_timedlock(mtx_t *mtx, const struct timespec *ts)
-{
-  /* FIXME! */
-  (void)mtx;
-  (void)ts;
-  return thrd_error;
-}
-
-int mtx_trylock(mtx_t *mtx)
-{
-#if defined(_TTHREAD_WIN32_)
-  int ret = TryEnterCriticalSection(&mtx->mHandle) ? thrd_success : thrd_busy;
-  if ((!mtx->mRecursive) && (ret == thrd_success) && mtx->mAlreadyLocked)
-  {
-    LeaveCriticalSection(&mtx->mHandle);
-    ret = thrd_busy;
-  }
-  return ret;
-#else
-  return (pthread_mutex_trylock(mtx) == 0) ? thrd_success : thrd_busy;
-#endif
-}
-
-int mtx_unlock(mtx_t *mtx)
-{
-#if defined(_TTHREAD_WIN32_)
-  mtx->mAlreadyLocked = FALSE;
-  LeaveCriticalSection(&mtx->mHandle);
-  return thrd_success;
-#else
-  return pthread_mutex_unlock(mtx) == 0 ? thrd_success : thrd_error;;
-#endif
-}
-
-#if defined(_TTHREAD_WIN32_)
-#define _CONDITION_EVENT_ONE 0
-#define _CONDITION_EVENT_ALL 1
-#endif
-
-int cnd_init(cnd_t *cond)
-{
-#if defined(_TTHREAD_WIN32_)
-  cond->mWaitersCount = 0;
-
-  /* Init critical section */
-  InitializeCriticalSection(&cond->mWaitersCountLock);
-
-  /* Init events */
-  cond->mEvents[_CONDITION_EVENT_ONE] = CreateEvent(NULL, FALSE, FALSE, NULL);
-  if (cond->mEvents[_CONDITION_EVENT_ONE] == NULL)
-  {
-    cond->mEvents[_CONDITION_EVENT_ALL] = NULL;
-    return thrd_error;
-  }
-  cond->mEvents[_CONDITION_EVENT_ALL] = CreateEvent(NULL, TRUE, FALSE, NULL);
-  if (cond->mEvents[_CONDITION_EVENT_ALL] == NULL)
-  {
-    CloseHandle(cond->mEvents[_CONDITION_EVENT_ONE]);
-    cond->mEvents[_CONDITION_EVENT_ONE] = NULL;
-    return thrd_error;
-  }
-
-  return thrd_success;
-#else
-  return pthread_cond_init(cond, NULL) == 0 ? thrd_success : thrd_error;
-#endif
-}
-
-void cnd_destroy(cnd_t *cond)
-{
-#if defined(_TTHREAD_WIN32_)
-  if (cond->mEvents[_CONDITION_EVENT_ONE] != NULL)
-  {
-    CloseHandle(cond->mEvents[_CONDITION_EVENT_ONE]);
-  }
-  if (cond->mEvents[_CONDITION_EVENT_ALL] != NULL)
-  {
-    CloseHandle(cond->mEvents[_CONDITION_EVENT_ALL]);
-  }
-  DeleteCriticalSection(&cond->mWaitersCountLock);
-#else
-  pthread_cond_destroy(cond);
-#endif
-}
-
-int cnd_signal(cnd_t *cond)
-{
-#if defined(_TTHREAD_WIN32_)
-  int haveWaiters;
-
-  /* Are there any waiters? */
-  EnterCriticalSection(&cond->mWaitersCountLock);
-  haveWaiters = (cond->mWaitersCount > 0);
-  LeaveCriticalSection(&cond->mWaitersCountLock);
-
-  /* If we have any waiting threads, send them a signal */
-  if(haveWaiters)
-  {
-    if (SetEvent(cond->mEvents[_CONDITION_EVENT_ONE]) == 0)
-    {
-      return thrd_error;
-    }
-  }
-
-  return thrd_success;
-#else
-  return pthread_cond_signal(cond) == 0 ? thrd_success : thrd_error;
-#endif
-}
-
-int cnd_broadcast(cnd_t *cond)
-{
-#if defined(_TTHREAD_WIN32_)
-  int haveWaiters;
-
-  /* Are there any waiters? */
-  EnterCriticalSection(&cond->mWaitersCountLock);
-  haveWaiters = (cond->mWaitersCount > 0);
-  LeaveCriticalSection(&cond->mWaitersCountLock);
-
-  /* If we have any waiting threads, send them a signal */
-  if(haveWaiters)
-  {
-    if (SetEvent(cond->mEvents[_CONDITION_EVENT_ALL]) == 0)
-    {
-      return thrd_error;
-    }
-  }
-
-  return thrd_success;
-#else
-  return pthread_cond_signal(cond) == 0 ? thrd_success : thrd_error;
-#endif
-}
-
-#if defined(_TTHREAD_WIN32_)
-static int _cnd_timedwait_win32(cnd_t *cond, mtx_t *mtx, DWORD timeout)
-{
-  int result, lastWaiter;
-
-  /* Increment number of waiters */
-  EnterCriticalSection(&cond->mWaitersCountLock);
-  ++ cond->mWaitersCount;
-  LeaveCriticalSection(&cond->mWaitersCountLock);
-
-  /* Release the mutex while waiting for the condition (will decrease
-     the number of waiters when done)... */
-  mtx_unlock(mtx);
-
-  /* Wait for either event to become signaled due to cnd_signal() or
-     cnd_broadcast() being called */
-  result = WaitForMultipleObjects(2, cond->mEvents, FALSE, timeout);
-  if (result == WAIT_TIMEOUT)
-  {
-    return thrd_timeout;
-  }
-  else if (result == (int)WAIT_FAILED)
-  {
-    return thrd_error;
-  }
-
-  /* Check if we are the last waiter */
-  EnterCriticalSection(&cond->mWaitersCountLock);
-  -- cond->mWaitersCount;
-  lastWaiter = (result == (WAIT_OBJECT_0 + _CONDITION_EVENT_ALL)) &&
-               (cond->mWaitersCount == 0);
-  LeaveCriticalSection(&cond->mWaitersCountLock);
-
-  /* If we are the last waiter to be notified to stop waiting, reset the event */
-  if (lastWaiter)
-  {
-    if (ResetEvent(cond->mEvents[_CONDITION_EVENT_ALL]) == 0)
-    {
-      return thrd_error;
-    }
-  }
-
-  /* Re-acquire the mutex */
-  mtx_lock(mtx);
-
-  return thrd_success;
-}
-#endif
-
-int cnd_wait(cnd_t *cond, mtx_t *mtx)
-{
-#if defined(_TTHREAD_WIN32_)
-  return _cnd_timedwait_win32(cond, mtx, INFINITE);
-#else
-  return pthread_cond_wait(cond, mtx) == 0 ? thrd_success : thrd_error;
-#endif
-}
-
-int cnd_timedwait(cnd_t *cond, mtx_t *mtx, const struct timespec *ts)
-{
-#if defined(_TTHREAD_WIN32_)
-  struct timespec now;
-  if (clock_gettime(CLOCK_REALTIME, &now) == 0)
-  {
-    DWORD delta = (DWORD) ((ts->tv_sec - now.tv_sec) * 1000 +
-                           (ts->tv_nsec - now.tv_nsec + 500000) / 1000000);
-    return _cnd_timedwait_win32(cond, mtx, delta);
-  }
-  else
-    return thrd_error;
-#else
-  int ret;
-  ret = pthread_cond_timedwait(cond, mtx, ts);
-  if (ret == ETIMEDOUT)
-  {
-    return thrd_timeout;
-  }
-  return ret == 0 ? thrd_success : thrd_error;
-#endif
-}
-
-
-/** Information to pass to the new thread (what to run). */
-typedef struct {
-  thrd_start_t mFunction; /**< Pointer to the function to be executed. */
-  void * mArg;            /**< Function argument for the thread function. */
-} _thread_start_info;
-
-/* Thread wrapper function. */
-#if defined(_TTHREAD_WIN32_)
-static unsigned WINAPI _thrd_wrapper_function(void * aArg)
-#elif defined(_TTHREAD_POSIX_)
-static void * _thrd_wrapper_function(void * aArg)
-#endif
-{
-  thrd_start_t fun;
-  void *arg;
-  int  res;
-#if defined(_TTHREAD_POSIX_)
-  void *pres;
-#endif
-
-  /* Get thread startup information */
-  _thread_start_info *ti = (_thread_start_info *) aArg;
-  fun = ti->mFunction;
-  arg = ti->mArg;
-
-  /* The thread is responsible for freeing the startup information */
-  free((void *)ti);
-
-  /* Call the actual client thread function */
-  res = fun(arg);
-
-#if defined(_TTHREAD_WIN32_)
-  return res;
-#else
-  pres = malloc(sizeof(int));
-  if (pres != NULL)
-  {
-    *(int*)pres = res;
-  }
-  return pres;
-#endif
-}
-
-int thrd_create(thrd_t *thr, thrd_start_t func, void *arg)
-{
-  /* Fill out the thread startup information (passed to the thread wrapper,
-     which will eventually free it) */
-  _thread_start_info* ti = (_thread_start_info*)malloc(sizeof(_thread_start_info));
-  if (ti == NULL)
-  {
-    return thrd_nomem;
-  }
-  ti->mFunction = func;
-  ti->mArg = arg;
-
-  /* Create the thread */
-#if defined(_TTHREAD_WIN32_)
-  *thr = (HANDLE)_beginthreadex(NULL, 0, _thrd_wrapper_function, (void *)ti, 0, NULL);
-#elif defined(_TTHREAD_POSIX_)
-  if(pthread_create(thr, NULL, _thrd_wrapper_function, (void *)ti) != 0)
-  {
-    *thr = 0;
-  }
-#endif
-
-  /* Did we fail to create the thread? */
-  if(!*thr)
-  {
-    free(ti);
-    return thrd_error;
-  }
-
-  return thrd_success;
-}
-
-thrd_t thrd_current(void)
-{
-#if defined(_TTHREAD_WIN32_)
-  return GetCurrentThread();
-#else
-  return pthread_self();
-#endif
-}
-
-int thrd_detach(thrd_t thr)
-{
-  /* FIXME! */
-  (void)thr;
-  return thrd_error;
-}
-
-int thrd_equal(thrd_t thr0, thrd_t thr1)
-{
-#if defined(_TTHREAD_WIN32_)
-  return thr0 == thr1;
-#else
-  return pthread_equal(thr0, thr1);
-#endif
-}
-
-void thrd_exit(int res)
-{
-#if defined(_TTHREAD_WIN32_)
-  ExitThread(res);
-#else
-  void *pres = malloc(sizeof(int));
-  if (pres != NULL)
-  {
-    *(int*)pres = res;
-  }
-  pthread_exit(pres);
-#endif
-}
-
-int thrd_join(thrd_t thr, int *res)
-{
-#if defined(_TTHREAD_WIN32_)
-  if (WaitForSingleObject(thr, INFINITE) == WAIT_FAILED)
-  {
-    return thrd_error;
-  }
-  if (res != NULL)
-  {
-    DWORD dwRes;
-    GetExitCodeThread(thr, &dwRes);
-    *res = dwRes;
-  }
-#elif defined(_TTHREAD_POSIX_)
-  void *pres;
-  int ires = 0;
-  if (pthread_join(thr, &pres) != 0)
-  {
-    return thrd_error;
-  }
-  if (pres != NULL)
-  {
-    ires = *(int*)pres;
-    free(pres);
-  }
-  if (res != NULL)
-  {
-    *res = ires;
-  }
-#endif
-  return thrd_success;
-}
-
-int thrd_sleep(const struct timespec *time_point, struct timespec *remaining)
-{
-  struct timespec now;
-#if defined(_TTHREAD_WIN32_)
-  DWORD delta;
-#else
-  long delta;
-#endif
-
-  /* Get the current time */
-  if (clock_gettime(CLOCK_REALTIME, &now) != 0)
-    return -2;  // FIXME: Some specific error code?
-
-#if defined(_TTHREAD_WIN32_)
-  /* Delta in milliseconds */
-  delta = (DWORD) ((time_point->tv_sec - now.tv_sec) * 1000 +
-                   (time_point->tv_nsec - now.tv_nsec + 500000) / 1000000);
-  if (delta > 0)
-  {
-    Sleep(delta);
-  }
-#else
-  /* Delta in microseconds */
-  delta = (time_point->tv_sec - now.tv_sec) * 1000000L +
-          (time_point->tv_nsec - now.tv_nsec + 500L) / 1000L;
-
-  /* On some systems, the usleep argument must be < 1000000 */
-  while (delta > 999999L)
-  {
-    usleep(999999);
-    delta -= 999999L;
-  }
-  if (delta > 0L)
-  {
-    usleep((useconds_t)delta);
-  }
-#endif
-
-  /* We don't support waking up prematurely (yet) */
-  if (remaining)
-  {
-    remaining->tv_sec = 0;
-    remaining->tv_nsec = 0;
-  }
-  return 0;
-}
-
-void thrd_yield(void)
-{
-#if defined(_TTHREAD_WIN32_)
-  Sleep(0);
-#else
-  sched_yield();
-#endif
-}
-
-int tss_create(tss_t *key, tss_dtor_t dtor)
-{
-#if defined(_TTHREAD_WIN32_)
-  /* FIXME: The destructor function is not supported yet... */
-  if (dtor != NULL)
-  {
-    return thrd_error;
-  }
-  *key = TlsAlloc();
-  if (*key == TLS_OUT_OF_INDEXES)
-  {
-    return thrd_error;
-  }
-#else
-  if (pthread_key_create(key, dtor) != 0)
-  {
-    return thrd_error;
-  }
-#endif
-  return thrd_success;
-}
-
-void tss_delete(tss_t key)
-{
-#if defined(_TTHREAD_WIN32_)
-  TlsFree(key);
-#else
-  pthread_key_delete(key);
-#endif
-}
-
-void *tss_get(tss_t key)
-{
-#if defined(_TTHREAD_WIN32_)
-  return TlsGetValue(key);
-#else
-  return pthread_getspecific(key);
-#endif
-}
-
-int tss_set(tss_t key, void *val)
-{
-#if defined(_TTHREAD_WIN32_)
-  if (TlsSetValue(key, val) == 0)
-  {
-    return thrd_error;
-  }
-#else
-  if (pthread_setspecific(key, val) != 0)
-  {
-    return thrd_error;
-  }
-#endif
-  return thrd_success;
-}
-
-#if defined(_TTHREAD_EMULATE_CLOCK_GETTIME_)
-int _tthread_clock_gettime(clockid_t clk_id, struct timespec *ts)
-{
-#if defined(_TTHREAD_WIN32_)
-  struct _timeb tb;
-  _ftime(&tb);
-  ts->tv_sec = (time_t)tb.time;
-  ts->tv_nsec = 1000000L * (long)tb.millitm;
-#else
-  struct timeval tv;
-  gettimeofday(&tv, NULL);
-  ts->tv_sec = (time_t)tv.tv_sec;
-  ts->tv_nsec = 1000L * (long)tv.tv_usec;
-#endif
-  return 0;
-}
-#endif // _TTHREAD_EMULATE_CLOCK_GETTIME_
-