static XBT_INLINE void lock_create(xbt_mallocator_t m)
{
- m->mutex = initialization_done > 1 ? xbt_os_mutex_init() : NULL;
+ m->lock = 0;
}
static XBT_INLINE void lock_destroy(xbt_mallocator_t m)
{
- if (m->mutex)
- xbt_os_mutex_destroy(m->mutex);
}
static XBT_INLINE void lock_acquire(xbt_mallocator_t m)
{
- if (m->mutex)
- xbt_os_mutex_acquire(m->mutex);
+ if (initialization_done > 1) {
+ int *lock = &m->lock;
+ while (__sync_lock_test_and_set(lock, 1))
+ /* nop */;
+ }
}
static XBT_INLINE void lock_release(xbt_mallocator_t m)
{
- if (m->mutex)
- xbt_os_mutex_release(m->mutex);
+ if (initialization_done > 1)
+ __sync_lock_release(&m->lock);
}
/**
#ifndef _XBT_MALLOCATOR_PRIVATE_H__
#define _XBT_MALLOCATOR_PRIVATE_H__
-#include "xbt/xbt_os_thread.h"
+
typedef struct s_xbt_mallocator {
void **objects; /* objects stored by the mallocator and available for the user */
int current_size; /* number of objects currently stored */
pvoid_f_void_t new_f; /* function to call when we are running out of objects */
void_f_pvoid_t free_f; /* function to call when we have got too many objects */
void_f_pvoid_t reset_f; /* function to call when an object is released by the user */
- xbt_os_mutex_t mutex; /* mutex to ensure the mallocator is thread-safe */
+ int lock; /* lock to ensure the mallocator is thread-safe */
} s_xbt_mallocator_t;
#endif /* _XBT_MALLOCATOR_PRIVATE_H__ */