diff options
| -rw-r--r-- | pcilib/lock.c | 4 | ||||
| -rw-r--r-- | pcilib/lock.h | 7 |
2 files changed, 11 insertions, 0 deletions
diff --git a/pcilib/lock.c b/pcilib/lock.c index 13e363a..9045ffa 100644 --- a/pcilib/lock.c +++ b/pcilib/lock.c @@ -190,6 +190,10 @@ int pcilib_lock(pcilib_lock_t* lock) { return pcilib_lock_custom(lock, PCILIB_LOCK_FLAGS_DEFAULT, PCILIB_TIMEOUT_INFINITE); } +int pcilib_try_lock(pcilib_lock_t* lock) { + return pcilib_lock_custom(lock, PCILIB_LOCK_FLAGS_DEFAULT, PCILIB_TIMEOUT_IMMEDIATE); +} + /** * this function will unlock the semaphore pointed by lock_ctx. */ diff --git a/pcilib/lock.h b/pcilib/lock.h index 8e1017a..9ffe4cf 100644 --- a/pcilib/lock.h +++ b/pcilib/lock.h @@ -87,6 +87,13 @@ int pcilib_lock_custom(pcilib_lock_t* lock, pcilib_lock_flags_t flags, pcilib_ti int pcilib_lock(pcilib_lock_t* lock); /** + * this function will try to take a lock for the mutex pointed by lock + * @param[in] lock the pointer to the mutex + */ +int pcilib_try_lock(pcilib_lock_t* lock); + + +/** * this function will unlock the lock pointed by lock * @param[in] lock the integer that points to the semaphore */ |