diff options
Diffstat (limited to 'malloc/thread-m.h')
| -rw-r--r-- | malloc/thread-m.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/malloc/thread-m.h b/malloc/thread-m.h index 9afd058ccb..24d95dfb31 100644 --- a/malloc/thread-m.h +++ b/malloc/thread-m.h @@ -26,6 +26,8 @@ #ifndef _THREAD_M_H #define _THREAD_M_H +#undef thread_atfork_static + #if defined(_LIBC) /* The GNU C library, a special case of Posix threads */ #include <bits/libc-lock.h> @@ -65,6 +67,9 @@ static Void_t *malloc_key_data; #define mutex_unlock(m) \ (__pthread_mutex_unlock != NULL ? __pthread_mutex_unlock (m) : 0) +#define thread_atfork(prepare, parent, child) \ + (__pthread_atfork != NULL ? __pthread_atfork(prepare, parent, child) : 0) + #elif defined(MUTEX_INITIALIZER) /* Assume hurd, with cthreads */ @@ -95,6 +100,12 @@ static int tsd_keys_alloced = 0; #define tsd_getspecific(key, vptr) \ ((vptr) = (void *)*__hurd_threadvar_location (_HURD_THREADVAR_MALLOC)) +#define thread_atfork(prepare, parent, child) do {} while(0) +#define thread_atfork_static(prepare, parent, child) \ + text_set_element(_hurd_fork_prepare_hook, prepare); \ + text_set_element(_hurd_fork_parent_hook, parent); \ + text_set_element(_hurd_fork_child_hook, child); + /* No we're *not* using pthreads. */ #define __pthread_initialize ((void (*)(void))0) @@ -126,6 +137,10 @@ typedef pthread_key_t tsd_key_t; #define tsd_setspecific(key, data) pthread_setspecific(key, data) #define tsd_getspecific(key, vptr) (vptr = pthread_getspecific(key)) +/* at fork */ +#define thread_atfork(prepare, parent, child) \ + pthread_atfork(prepare, parent, child) + #elif USE_THR /* Solaris threads */ #include <thread.h> @@ -147,6 +162,8 @@ typedef void *tsd_key_t[256]; #define tsd_setspecific(key, data) (key[(unsigned)thr_self() % 256] = (data)) #define tsd_getspecific(key, vptr) (vptr = key[(unsigned)thr_self() % 256]) +#define thread_atfork(prepare, parent, child) do {} while(0) + #elif USE_SPROC /* SGI sproc() threads */ #include <sys/wait.h> @@ -170,6 +187,8 @@ int tsd_key_next; #define tsd_setspecific(key, data) (((void **)(&PRDA->usr_prda))[key] = data) #define tsd_getspecific(key, vptr) (vptr = ((void **)(&PRDA->usr_prda))[key]) +#define thread_atfork(prepare, parent, child) do {} while(0) + #else /* no _LIBC or USE_... are defined */ #define NO_THREADS @@ -193,6 +212,8 @@ typedef void *tsd_key_t; #define tsd_setspecific(key, data) do {} while(0) #define tsd_getspecific(key, vptr) (vptr = NULL) +#define thread_atfork(prepare, parent, child) do {} while(0) + #endif /* defined(NO_THREADS) */ #endif /* !defined(_THREAD_M_H) */ |