diff options
Diffstat (limited to 'libpthread/linuxthreads')
| -rw-r--r-- | libpthread/linuxthreads/condvar.c | 111 |
1 files changed, 93 insertions, 18 deletions
diff --git a/libpthread/linuxthreads/condvar.c b/libpthread/linuxthreads/condvar.c index f9c46a331..823d1236c 100644 --- a/libpthread/linuxthreads/condvar.c +++ b/libpthread/linuxthreads/condvar.c @@ -25,19 +25,52 @@ #include "queue.h" #include "restart.h" -int pthread_cond_init(pthread_cond_t *cond, - const pthread_condattr_t *cond_attr) +/* glibc uses strong aliases, we wont bother */ +#undef strong_alias +#define strong_alias(sym, alias) +#define __pthread_cond_init pthread_cond_init +#define __pthread_cond_destroy pthread_cond_destroy +#define __pthread_cond_wait pthread_cond_wait +#define __pthread_cond_timedwait pthread_cond_timedwait +#define __pthread_cond_signal pthread_cond_signal +#define __pthread_cond_broadcast pthread_cond_broadcast +#define __pthread_condattr_init pthread_condattr_init +#define __pthread_condattr_destroy pthread_condattr_destroy + + +int __pthread_cond_init(pthread_cond_t *cond, + const pthread_condattr_t *cond_attr) { __pthread_init_lock(&cond->__c_lock); cond->__c_waiting = NULL; return 0; } - -int pthread_cond_destroy(pthread_cond_t *cond) +/* Don't bother with this version stuff in uClibc */ +#if 0 +versioned_symbol (libpthread, __pthread_cond_init, pthread_cond_init, + GLIBC_2_3_2); +#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_3_2) +strong_alias (__pthread_cond_init, __old_pthread_cond_init) +compat_symbol (libpthread, __old_pthread_cond_init, pthread_cond_init, + GLIBC_2_0); +#endif +#endif + +int __pthread_cond_destroy(pthread_cond_t *cond) { if (cond->__c_waiting != NULL) return EBUSY; return 0; } +/* Don't bother with this version stuff in uClibc */ +#if 0 +versioned_symbol (libpthread, __pthread_cond_destroy, pthread_cond_destroy, + GLIBC_2_3_2); +#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_3_2) +strong_alias (__pthread_cond_destroy, __old_pthread_cond_destroy) +compat_symbol (libpthread, __old_pthread_cond_destroy, pthread_cond_destroy, + GLIBC_2_0); +#endif +#endif /* Function called by pthread_cancel to remove the thread from waiting on a condition variable queue. */ @@ -55,7 +88,7 @@ static int cond_extricate_func(void *obj, pthread_descr th) return did_remove; } -int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex) +int __pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex) { volatile pthread_descr self = thread_self(); pthread_extricate_if extr; @@ -93,7 +126,7 @@ int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex) if (already_canceled) { __pthread_set_own_extricate_if(self, 0); - pthread_exit(PTHREAD_CANCELED); + __pthread_do_exit(PTHREAD_CANCELED, CURRENT_STACK_FRAME); } pthread_mutex_unlock(mutex); @@ -122,7 +155,7 @@ int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex) && THREAD_GETMEM(self, p_cancelstate) == PTHREAD_CANCEL_ENABLE) { THREAD_SETMEM(self, p_woken_by_cancel, 0); pthread_mutex_lock(mutex); - pthread_exit(PTHREAD_CANCELED); + __pthread_do_exit(PTHREAD_CANCELED, CURRENT_STACK_FRAME); } /* Put back any resumes we caught that don't belong to us. */ @@ -132,6 +165,16 @@ int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex) pthread_mutex_lock(mutex); return 0; } +/* Don't bother with this version stuff in uClibc */ +#if 0 +versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait, + GLIBC_2_3_2); +#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_3_2) +strong_alias (__pthread_cond_wait, __old_pthread_cond_wait) +compat_symbol (libpthread, __old_pthread_cond_wait, pthread_cond_wait, + GLIBC_2_0); +#endif +#endif static int pthread_cond_timedwait_relative(pthread_cond_t *cond, @@ -168,7 +211,7 @@ pthread_cond_timedwait_relative(pthread_cond_t *cond, if (already_canceled) { __pthread_set_own_extricate_if(self, 0); - pthread_exit(PTHREAD_CANCELED); + __pthread_do_exit(PTHREAD_CANCELED, CURRENT_STACK_FRAME); } pthread_mutex_unlock(mutex); @@ -216,7 +259,7 @@ pthread_cond_timedwait_relative(pthread_cond_t *cond, && THREAD_GETMEM(self, p_cancelstate) == PTHREAD_CANCEL_ENABLE) { THREAD_SETMEM(self, p_woken_by_cancel, 0); pthread_mutex_lock(mutex); - pthread_exit(PTHREAD_CANCELED); + __pthread_do_exit(PTHREAD_CANCELED, CURRENT_STACK_FRAME); } /* Put back any resumes we caught that don't belong to us. */ @@ -227,14 +270,24 @@ pthread_cond_timedwait_relative(pthread_cond_t *cond, return 0; } -int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, - const struct timespec * abstime) +int __pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, + const struct timespec * abstime) { /* Indirect call through pointer! */ return pthread_cond_timedwait_relative(cond, mutex, abstime); } - -int pthread_cond_signal(pthread_cond_t *cond) +/* Don't bother with this version stuff in uClibc */ +#if 0 +versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait, + GLIBC_2_3_2); +#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_3_2) +strong_alias (__pthread_cond_timedwait, __old_pthread_cond_timedwait) +compat_symbol (libpthread, __old_pthread_cond_timedwait, + pthread_cond_timedwait, GLIBC_2_0); +#endif +#endif + +int __pthread_cond_signal(pthread_cond_t *cond) { pthread_descr th; @@ -248,8 +301,18 @@ int pthread_cond_signal(pthread_cond_t *cond) } return 0; } - -int pthread_cond_broadcast(pthread_cond_t *cond) +/* Don't bother with this version stuff in uClibc */ +#if 0 +versioned_symbol (libpthread, __pthread_cond_signal, pthread_cond_signal, + GLIBC_2_3_2); +#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_3_2) +strong_alias (__pthread_cond_signal, __old_pthread_cond_signal) +compat_symbol (libpthread, __old_pthread_cond_signal, pthread_cond_signal, + GLIBC_2_0); +#endif +#endif + +int __pthread_cond_broadcast(pthread_cond_t *cond) { pthread_descr tosignal, th; @@ -266,16 +329,28 @@ int pthread_cond_broadcast(pthread_cond_t *cond) } return 0; } - -int pthread_condattr_init(pthread_condattr_t *attr) +/* Don't bother with this version stuff in uClibc */ +#if 0 +versioned_symbol (libpthread, __pthread_cond_broadcast, pthread_cond_broadcast, + GLIBC_2_3_2); +#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_3_2) +strong_alias (__pthread_cond_broadcast, __old_pthread_cond_broadcast) +compat_symbol (libpthread, __old_pthread_cond_broadcast, + pthread_cond_broadcast, GLIBC_2_0); +#endif +#endif + +int __pthread_condattr_init(pthread_condattr_t *attr) { return 0; } +strong_alias (__pthread_condattr_init, pthread_condattr_init) -int pthread_condattr_destroy(pthread_condattr_t *attr) +int __pthread_condattr_destroy(pthread_condattr_t *attr) { return 0; } +strong_alias (__pthread_condattr_destroy, pthread_condattr_destroy) int pthread_condattr_getpshared (const pthread_condattr_t *attr, int *pshared) { |