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threads: Handle SDL_HINT_THREAD_STACK_SIZE at top level, implement elsewhere.

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This commit is contained in:
Ryan C. Gordon
2016-04-12 14:38:50 -04:00
parent 8b65d225e8
commit 7ae2951fca
6 changed files with 68 additions and 18 deletions
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49
src/thread/SDL_thread.c
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@@ -26,6 +26,7 @@
#include "SDL_thread.h"
#include "SDL_thread_c.h"
#include "SDL_systhread.h"
#include "SDL_hints.h"
#include "../SDL_error_c.h"
@@ -304,15 +305,15 @@ SDL_RunThread(void *data)
#endif
#ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD
DECLSPEC SDL_Thread *SDLCALL
SDL_CreateThread(int (SDLCALL * fn) (void *),
const char *name, void *data,
static SDL_Thread *
SDL_CreateThreadWithStackSize(int (SDLCALL * fn) (void *),
const char *name, const size_t stacksize, void *data,
pfnSDL_CurrentBeginThread pfnBeginThread,
pfnSDL_CurrentEndThread pfnEndThread)
#else
DECLSPEC SDL_Thread *SDLCALL
SDL_CreateThread(int (SDLCALL * fn) (void *),
const char *name, void *data)
static SDL_Thread *
SDL_CreateThreadWithStackSize(int (SDLCALL * fn) (void *),
const char *name, const size_t stacksize, void *data)
#endif
{
SDL_Thread *thread;
@@ -362,6 +363,8 @@ SDL_CreateThread(int (SDLCALL * fn) (void *),
return (NULL);
}
thread->stacksize = stacksize;
/* Create the thread and go! */
#ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD
ret = SDL_SYS_CreateThread(thread, args, pfnBeginThread, pfnEndThread);
@@ -386,6 +389,40 @@ SDL_CreateThread(int (SDLCALL * fn) (void *),
return (thread);
}
#ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD
DECLSPEC SDL_Thread *SDLCALL
SDL_CreateThread(int (SDLCALL * fn) (void *),
const char *name, void *data,
pfnSDL_CurrentBeginThread pfnBeginThread,
pfnSDL_CurrentEndThread pfnEndThread)
#else
DECLSPEC SDL_Thread *SDLCALL
SDL_CreateThread(int (SDLCALL * fn) (void *),
const char *name, void *data)
#endif
{
/* !!! FIXME: in 2.1, just make stackhint part of the usual API. */
const char *stackhint = SDL_GetHint(SDL_HINT_THREAD_STACK_SIZE);
size_t stacksize = 0;
/* If the SDL_HINT_THREAD_STACK_SIZE exists, use it */
if (stackhint != NULL) {
char *endp = NULL;
const Sint64 hintval = SDL_strtoll(stackhint, &endp, 10);
if ((*stackhint != '\0') && (*endp == '\0')) { /* a valid number? */
if (hintval > 0) { /* reject bogus values. */
stacksize = (size_t) hintval;
}
}
}
#ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD
return SDL_CreateThreadWithStackSize(fn, name, stacksize, data, pfnBeginThread, pfnEndThread);
#else
return SDL_CreateThreadWithStackSize(fn, name, stacksize, data);
#endif
}
SDL_threadID
SDL_GetThreadID(SDL_Thread * thread)
{