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Added a hint to specify new thread stack size (thanks, Gabriel!).

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Fixes Bugzilla #2019.

(we'll do a better fix when we break the API in SDL 2.1.)
This commit is contained in:
Ryan C. Gordon 2015-05-26 21:13:27 -04:00
parent 8ff2462ace
commit 12bbb8e161
4 changed files with 32 additions and 0 deletions
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10
src/thread/pthread/SDL_systhread.c
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@ -45,6 +45,7 @@
#include "SDL_platform.h"
#include "SDL_thread.h"
#include "SDL_hints.h"
#include "../SDL_thread_c.h"
#include "../SDL_systhread.h"
#ifdef __ANDROID__
@ -86,6 +87,8 @@ int
SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
{
pthread_attr_t type;
size_t ss;
const char *hint = SDL_GetHint(SDL_HINT_THREAD_STACK_SIZE);
/* do this here before any threads exist, so there's no race condition. */
#if defined(__MACOSX__) || defined(__IPHONEOS__) || defined(__LINUX__)
@ -105,6 +108,13 @@ SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
return SDL_SetError("Couldn't initialize pthread attributes");
}
pthread_attr_setdetachstate(&type, PTHREAD_CREATE_JOINABLE);
/* If the SDL_HINT_THREAD_STACK_SIZE exists and it seems to be a positive number, use it */
if (hint && hint[0] >= '0' && hint[0] <= '9') {
pthread_attr_setstacksize(&type, (size_t)SDL_atoi(hint));
}
pthread_attr_getstacksize(&type, &ss);
/* Create the thread and go! */
if (pthread_create(&thread->handle, &type, RunThread, args) != 0) {