diff options
Diffstat (limited to 'nptl/pthread_cond_init.c')
| -rw-r--r-- | nptl/pthread_cond_init.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/nptl/pthread_cond_init.c b/nptl/pthread_cond_init.c index 9023370278..c1eac5f779 100644 --- a/nptl/pthread_cond_init.c +++ b/nptl/pthread_cond_init.c @@ -19,25 +19,29 @@ #include <shlib-compat.h> #include "pthreadP.h" #include <stap-probe.h> +#include <string.h> +/* See __pthread_cond_wait for details. */ int __pthread_cond_init (pthread_cond_t *cond, const pthread_condattr_t *cond_attr) { struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr; - cond->__data.__lock = LLL_LOCK_INITIALIZER; - cond->__data.__futex = 0; - cond->__data.__nwaiters = (icond_attr != NULL - ? ((icond_attr->value >> 1) - & ((1 << COND_NWAITERS_SHIFT) - 1)) - : CLOCK_REALTIME); - cond->__data.__total_seq = 0; - cond->__data.__wakeup_seq = 0; - cond->__data.__woken_seq = 0; - cond->__data.__mutex = (icond_attr == NULL || (icond_attr->value & 1) == 0 - ? NULL : (void *) ~0l); - cond->__data.__broadcast_seq = 0; + memset (cond, 0, sizeof (pthread_cond_t)); + + /* Update the pretty printers if the internal representation of icond_attr + is changed. */ + + /* Iff not equal to ~0l, this is a PTHREAD_PROCESS_PRIVATE condvar. */ + if (icond_attr != NULL && (icond_attr->value & 1) != 0) + cond->__data.__wrefs |= __PTHREAD_COND_SHARED_MASK; + int clockid = (icond_attr != NULL + ? ((icond_attr->value >> 1) & ((1 << COND_CLOCK_BITS) - 1)) + : CLOCK_REALTIME); + /* If 0, CLOCK_REALTIME is used; CLOCK_MONOTONIC otherwise. */ + if (clockid != CLOCK_REALTIME) + cond->__data.__wrefs |= __PTHREAD_COND_CLOCK_MONOTONIC_MASK; LIBC_PROBE (cond_init, 2, cond, cond_attr); |