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freebsd-ports/devel/sdl10/files/patch-ae
Thomas Gellekum ab5c49f7ec Use our libc_r instead of linuxthreads.
Reviewed by:	Maxim Sobolev <sobomax@altavista.net>
2000-04-20 09:24:28 +00:00

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--- src/thread/SDL_thread.c.orig Fri Mar 3 01:24:35 2000
+++ src/thread/SDL_thread.c Mon Apr 17 21:05:52 2000
@@ -30,6 +30,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
#include "SDL_error.h"
#include "SDL_mutex.h"
@@ -175,7 +176,7 @@
int (*func)(void *);
void *data;
SDL_Thread *info;
- SDL_mutex *wait;
+ int wait;
} thread_args;
void SDL_RunThread(void *data)
@@ -199,8 +200,8 @@
userdata = args->data;
statusloc = &args->info->status;
/* Wake up the parent thread */
- SDL_mutexV(args->wait);
+ args->wait = 1;
/* Run the function */
*statusloc = userfunc(userdata);
@@ -213,16 +214,16 @@
int ret;
/* Allocate memory for the thread info structure */
- thread = (SDL_Thread *)malloc(sizeof(*thread));
+ thread = (SDL_Thread *)malloc(sizeof(thread));
if ( thread == NULL ) {
SDL_OutOfMemory();
return(NULL);
}
- memset(thread, 0, (sizeof *thread));
+ memset(thread, 0, (sizeof thread));
thread->status = -1;
/* Set up the arguments for the thread */
- args = (thread_args *)malloc(sizeof(*args));
+ args = (thread_args *)malloc(sizeof(args));
if ( args == NULL ) {
SDL_OutOfMemory();
free(thread);
@@ -231,14 +232,7 @@
args->func = fn;
args->data = data;
args->info = thread;
- args->wait = SDL_CreateMutex();
- if ( args->wait == NULL ) {
- free(thread);
- free(args);
- SDL_OutOfMemory();
- return(NULL);
- }
- SDL_mutexP(args->wait); /* We will block later */
+ args->wait = 0;
/* Add the thread to the list of available threads */
SDL_AddThread(thread);
@@ -247,14 +241,14 @@
ret = SDL_SYS_CreateThread(thread, args);
if ( ret >= 0 ) {
/* Wait for the thread function to use arguments */
- SDL_mutexP(args->wait);
+ while (args->wait == 0)
+ usleep(20000);
} else {
/* Oops, failed. Gotta free everything */
SDL_DelThread(thread);
free(thread);
thread = NULL;
}
- SDL_DestroyMutex(args->wait);
free(args);
/* Everything is running now */