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port from 2.0.12 to 2.0.13 / current SDL-hg repository.

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- video:  VideoBootStrap->available() is gone.
- thread: all important SDL_CreateThread internal data now put into
          struct SDL_Thread: changes to SDL_SYS_CreateThread().
This commit is contained in:
Ozkan Sezer 2020-10-14 23:01:04 +03:00
parent 5da796fe52
commit 54ced668c4
2 changed files with 22 additions and 39 deletions
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34
src/thread/os2/SDL_systhread.c
View file

@ -40,57 +40,39 @@
#include <process.h>
typedef struct ThreadStartParms {
void *args;
pfnSDL_CurrentEndThread pfnCurrentEndThread;
} tThreadStartParms, *pThreadStartParms;
static void RunThread(void *data)
{
pThreadStartParms pThreadParms = (pThreadStartParms) data;
pfnSDL_CurrentEndThread pfnEndThread = pThreadParms->pfnCurrentEndThread;
void *args = pThreadParms->args;
SDL_free( pThreadParms );
SDL_Thread *thread = (SDL_Thread *) data;
pfnSDL_CurrentEndThread pfnEndThread = (pfnSDL_CurrentEndThread) thread->endfunc;
if ( ppSDLTLSData != NULL )
*ppSDLTLSData = NULL;
SDL_RunThread( args );
SDL_RunThread( thread );
if ( pfnEndThread != NULL )
pfnEndThread();
}
int
SDL_SYS_CreateThread(SDL_Thread * thread, void *args,
SDL_SYS_CreateThread(SDL_Thread * thread,
pfnSDL_CurrentBeginThread pfnBeginThread,
pfnSDL_CurrentEndThread pfnEndThread)
{
pThreadStartParms pThreadParms = SDL_malloc( sizeof(tThreadStartParms) );
if ( pThreadParms == NULL )
return SDL_OutOfMemory();
if (thread->stacksize == 0)
thread->stacksize = 65536;
// Also save the real parameters we have to pass to thread function
pThreadParms->args = args;
if (pfnBeginThread) {
// Save the function which we will have to call to clear the RTL of calling app!
pThreadParms->pfnCurrentEndThread = pfnEndThread;
thread->endfunc = pfnEndThread;
// Start the thread using the runtime library of calling app!
thread->handle = (SYS_ThreadHandle)
pfnBeginThread( RunThread, NULL, thread->stacksize, pThreadParms );
pfnBeginThread( RunThread, NULL, thread->stacksize, thread );
}
else {
pThreadParms->pfnCurrentEndThread = _endthread;
thread->endfunc = _endthread;
thread->handle = (SYS_ThreadHandle)
_beginthread( RunThread, NULL, thread->stacksize, pThreadParms );
_beginthread( RunThread, NULL, thread->stacksize, thread );
}
if ( thread->handle == -1 )