zircon/third_party/ulib/jemalloc/include/jemalloc/internal/mutex_types.h

#ifndef JEMALLOC_INTERNAL_MUTEX_TYPES_H
#define JEMALLOC_INTERNAL_MUTEX_TYPES_H

typedef struct malloc_mutex_s malloc_mutex_t;

#ifdef _WIN32
#  define MALLOC_MUTEX_INITIALIZER
#elif (defined(JEMALLOC_OS_UNFAIR_LOCK))
#  define MALLOC_MUTEX_INITIALIZER					\
     {OS_UNFAIR_LOCK_INIT, WITNESS_INITIALIZER("mutex", WITNESS_RANK_OMIT)}
#elif (defined(JEMALLOC_OSSPIN))
#  define MALLOC_MUTEX_INITIALIZER					\
     {0, WITNESS_INITIALIZER("mutex", WITNESS_RANK_OMIT)}
#elif (defined(JEMALLOC_MUTEX_INIT_CB))
#  define MALLOC_MUTEX_INITIALIZER					\
    {PTHREAD_MUTEX_INITIALIZER, NULL,					\
     WITNESS_INITIALIZER("mutex", WITNESS_RANK_OMIT)}
#else
#  if (defined(JEMALLOC_HAVE_PTHREAD_MUTEX_ADAPTIVE_NP) &&		\
       defined(PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP))
#    define MALLOC_MUTEX_TYPE PTHREAD_MUTEX_ADAPTIVE_NP
#    define MALLOC_MUTEX_INITIALIZER					\
       {PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP,				\
        WITNESS_INITIALIZER("mutex", WITNESS_RANK_OMIT)}
#  else
#    define MALLOC_MUTEX_TYPE PTHREAD_MUTEX_DEFAULT
#    define MALLOC_MUTEX_INITIALIZER					\
       {PTHREAD_MUTEX_INITIALIZER,					\
        WITNESS_INITIALIZER("mutex", WITNESS_RANK_OMIT)}
#  endif
#endif

#endif /* JEMALLOC_INTERNAL_MUTEX_TYPES_H */