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author | Suren A. Chilingaryan <csa@suren.me> | 2015-08-06 01:13:17 +0200 |
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committer | Suren A. Chilingaryan <csa@suren.me> | 2015-08-06 01:13:17 +0200 |
commit | 63bc897c9444b364b0364bfd04a0c87d9fe29307 (patch) | |
tree | 39545e40bd78198eeb49f41f47ecdbf7ea6979fb | |
parent | 56787b1553bd151eff62741e34fb3b4834073442 (diff) | |
download | pcitool-63bc897c9444b364b0364bfd04a0c87d9fe29307.tar.gz pcitool-63bc897c9444b364b0364bfd04a0c87d9fe29307.tar.bz2 pcitool-63bc897c9444b364b0364bfd04a0c87d9fe29307.tar.xz pcitool-63bc897c9444b364b0364bfd04a0c87d9fe29307.zip |
Provide pcilib_try_lock call
-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 */ |