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| author | dimitri staessens <dimitri.staessens@intec.ugent.be> | 2016-10-30 10:36:08 +0100 |
|---|---|---|
| committer | dimitri staessens <dimitri.staessens@intec.ugent.be> | 2016-10-30 10:36:08 +0100 |
| commit | 5d01776443c0a500ffbc79a36745b07b8628bd62 (patch) | |
| tree | 60117ebc2d1612d503c8d1e26630a08fc67b17ef /src/lib/shm_flow_set.c | |
| parent | 298f78d426cdf8bcd9c8890f117d0236bde20bc4 (diff) | |
| download | ouroboros-5d01776443c0a500ffbc79a36745b07b8628bd62.tar.gz ouroboros-5d01776443c0a500ffbc79a36745b07b8628bd62.zip | |
lib: Have flow_event_wait return non-zero value
Flow_event_wait will either return -EINVAL, -ETIMEDOUT or a positive
integer indicating the number of SDUs in the fqueue. This allows to
call the function as the condition for a non-terminating while loop.
Diffstat (limited to 'src/lib/shm_flow_set.c')
| -rw-r--r-- | src/lib/shm_flow_set.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/lib/shm_flow_set.c b/src/lib/shm_flow_set.c index 3b1af83f..6cc94573 100644 --- a/src/lib/shm_flow_set.c +++ b/src/lib/shm_flow_set.c @@ -376,22 +376,20 @@ ssize_t shm_flow_set_wait(const struct shm_flow_set * shm_set, while (shm_set->heads[idx] == 0 && ret != -ETIMEDOUT) { if (timeout != NULL) - ret = pthread_cond_timedwait(shm_set->conds + idx, - shm_set->lock, - &abstime); + ret = -pthread_cond_timedwait(shm_set->conds + idx, + shm_set->lock, + &abstime); else - ret = pthread_cond_wait(shm_set->conds + idx, - shm_set->lock); + ret = -pthread_cond_wait(shm_set->conds + idx, + shm_set->lock); #ifndef __APPLE__ - if (ret == EOWNERDEAD) { + if (ret == -EOWNERDEAD) { LOG_DBG("Recovering dead mutex."); pthread_mutex_consistent(shm_set->lock); } #endif - if (ret == ETIMEDOUT) { - ret = -ETIMEDOUT; + if (ret == -ETIMEDOUT) break; - } } if (ret != -ETIMEDOUT) { @@ -404,5 +402,7 @@ ssize_t shm_flow_set_wait(const struct shm_flow_set * shm_set, pthread_cleanup_pop(true); + assert(ret); + return ret; } |