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| author | Jason Evans <jasone@canonware.com> | 2016-11-02 18:09:45 -0700 |
|---|---|---|
| committer | Jason Evans <jasone@canonware.com> | 2016-11-02 19:35:12 -0700 |
| commit | 3f2b8d9cfaebdf0565da3f1ea6e8af11874eae8f (patch) | |
| tree | 091fba49d02fc6e119abe95b8d838db48e2b9ebb /include | |
| parent | a99e0fa2d21917cbcefd8b7a9a2128ae0399d88f (diff) | |
| download | jemalloc-3f2b8d9cfaebdf0565da3f1ea6e8af11874eae8f.tar.gz | |
Add os_unfair_lock support.
OS X 10.12 deprecated OSSpinLock; os_unfair_lock is the recommended
replacement.
Diffstat (limited to 'include')
| -rw-r--r-- | include/jemalloc/internal/jemalloc_internal_decls.h | 3 | ||||
| -rw-r--r-- | include/jemalloc/internal/jemalloc_internal_defs.h.in | 5 | ||||
| -rw-r--r-- | include/jemalloc/internal/mutex.h | 9 |
3 files changed, 17 insertions, 0 deletions
diff --git a/include/jemalloc/internal/jemalloc_internal_decls.h b/include/jemalloc/internal/jemalloc_internal_decls.h index 1d7f207..c907d91 100644 --- a/include/jemalloc/internal/jemalloc_internal_decls.h +++ b/include/jemalloc/internal/jemalloc_internal_decls.h @@ -17,6 +17,9 @@ # include <sys/uio.h> # endif # include <pthread.h> +# ifdef JEMALLOC_OS_UNFAIR_LOCK +# include <os/lock.h> +# endif # ifdef JEMALLOC_GLIBC_MALLOC_HOOK # include <sched.h> # endif diff --git a/include/jemalloc/internal/jemalloc_internal_defs.h.in b/include/jemalloc/internal/jemalloc_internal_defs.h.in index 6824ab7..385801b 100644 --- a/include/jemalloc/internal/jemalloc_internal_defs.h.in +++ b/include/jemalloc/internal/jemalloc_internal_defs.h.in @@ -61,6 +61,11 @@ #undef JEMALLOC_HAVE_MADVISE /* + * Defined if os_unfair_lock_*() functions are available, as provided by Darwin. + */ +#undef JEMALLOC_OS_UNFAIR_LOCK + +/* * Defined if OSSpin*() functions are available, as provided by Darwin, and * documented in the spinlock(3) manual page. */ diff --git a/include/jemalloc/internal/mutex.h b/include/jemalloc/internal/mutex.h index 5221799..b442d2d 100644 --- a/include/jemalloc/internal/mutex.h +++ b/include/jemalloc/internal/mutex.h @@ -5,6 +5,9 @@ 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(WITNESS_RANK_OMIT)} #elif (defined(JEMALLOC_OSSPIN)) # define MALLOC_MUTEX_INITIALIZER {0, WITNESS_INITIALIZER(WITNESS_RANK_OMIT)} #elif (defined(JEMALLOC_MUTEX_INIT_CB)) @@ -35,6 +38,8 @@ struct malloc_mutex_s { # else CRITICAL_SECTION lock; # endif +#elif (defined(JEMALLOC_OS_UNFAIR_LOCK)) + os_unfair_lock lock; #elif (defined(JEMALLOC_OSSPIN)) OSSpinLock lock; #elif (defined(JEMALLOC_MUTEX_INIT_CB)) @@ -88,6 +93,8 @@ malloc_mutex_lock(tsdn_t *tsdn, malloc_mutex_t *mutex) # else EnterCriticalSection(&mutex->lock); # endif +#elif (defined(JEMALLOC_OS_UNFAIR_LOCK)) + os_unfair_lock_lock(&mutex->lock); #elif (defined(JEMALLOC_OSSPIN)) OSSpinLockLock(&mutex->lock); #else @@ -109,6 +116,8 @@ malloc_mutex_unlock(tsdn_t *tsdn, malloc_mutex_t *mutex) # else LeaveCriticalSection(&mutex->lock); # endif +#elif (defined(JEMALLOC_OS_UNFAIR_LOCK)) + os_unfair_lock_unlock(&mutex->lock); #elif (defined(JEMALLOC_OSSPIN)) OSSpinLockUnlock(&mutex->lock); #else |