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#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#import "runtime.h"
#import "runtime-private.h"
#import "threading.h"
static objc_mutex_t global_mutex;
static of_rmutex_t global_mutex;
static BOOL global_mutex_init = NO;
BOOL
objc_mutex_new(objc_mutex_t *mutex)
{
if (!of_mutex_new(&mutex->mutex ))
return NO;
mutex->count = 0;
return YES;
}
BOOL
objc_mutex_lock(objc_mutex_t *mutex)
{
if (mutex->count > 0 && of_thread_is_current(mutex->owner)) {
mutex->count++;
return YES;
}
if (!of_mutex_lock(&mutex->mutex))
return NO;
mutex->owner = of_thread_current();
mutex->count++;
return YES;
}
BOOL
objc_mutex_unlock(objc_mutex_t *mutex)
{
if (--mutex->count == 0)
return of_mutex_unlock(&mutex->mutex);
return YES;
}
BOOL
objc_mutex_free(objc_mutex_t *mutex)
{
return of_mutex_free(&mutex->mutex);
}
if (!objc_mutex_new(&global_mutex))
if (!of_rmutex_new(&global_mutex))
OBJC_ERROR("Failed to create global mutex!");
global_mutex_init = YES;
}
void
objc_global_mutex_lock(void)
{
if (!global_mutex_init)
objc_global_mutex_new();
if (!objc_mutex_lock(&global_mutex))
if (!of_rmutex_lock(&global_mutex))
OBJC_ERROR("Failed to lock global mutex!");
}
void
objc_global_mutex_unlock(void)
{
if (!objc_mutex_unlock(&global_mutex))
if (!of_rmutex_unlock(&global_mutex))
OBJC_ERROR("Failed to unlock global mutex!");
}
void
objc_global_mutex_free(void)
{
if (!objc_mutex_free(&global_mutex))
if (!of_rmutex_free(&global_mutex))
OBJC_ERROR("Failed to free global mutex!");
}
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