src/jemalloc/test/include/test/mtx.h

   1 /*
   2  * mtx is a slightly simplified version of malloc_mutex.  This code duplication
   3  * is unfortunate, but there are allocator bootstrapping considerations that
   4  * would leak into the test infrastructure if malloc_mutex were used directly
   5  * in tests.
   6  */
   7
   8 typedef struct {
   9 #ifdef _WIN32
  10         CRITICAL_SECTION        lock;
  11 #elif (defined(JEMALLOC_OS_UNFAIR_LOCK))
  12         os_unfair_lock          lock;
  13 #elif (defined(JEMALLOC_OSSPIN))
  14         OSSpinLock              lock;
  15 #else
  16         pthread_mutex_t         lock;
  17 #endif
  18 } mtx_t;
  19
  20 bool    mtx_init(mtx_t *mtx);
  21 void    mtx_fini(mtx_t *mtx);
  22 void    mtx_lock(mtx_t *mtx);
  23 void    mtx_unlock(mtx_t *mtx);