diff options
Diffstat (limited to 'src/vppinfra/lock.h')
| -rw-r--r-- | src/vppinfra/lock.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/vppinfra/lock.h b/src/vppinfra/lock.h index 3cfe11cba17..470890b6ec7 100644 --- a/src/vppinfra/lock.h +++ b/src/vppinfra/lock.h @@ -91,6 +91,15 @@ clib_spinlock_lock (clib_spinlock_t * p) CLIB_LOCK_DBG (p); } +static_always_inline int +clib_spinlock_trylock (clib_spinlock_t * p) +{ + if (PREDICT_FALSE (CLIB_SPINLOCK_IS_LOCKED (p))) + return 0; + clib_spinlock_lock (p); + return 1; +} + static_always_inline void clib_spinlock_lock_if_init (clib_spinlock_t * p) { @@ -98,6 +107,14 @@ clib_spinlock_lock_if_init (clib_spinlock_t * p) clib_spinlock_lock (p); } +static_always_inline int +clib_spinlock_trylock_if_init (clib_spinlock_t * p) +{ + if (PREDICT_FALSE (*p != 0)) + return clib_spinlock_trylock (p); + return 1; +} + static_always_inline void clib_spinlock_unlock (clib_spinlock_t * p) { |