diff options
Diffstat (limited to 'man3/pthread_spin_lock.3')
| -rw-r--r-- | man3/pthread_spin_lock.3 | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/man3/pthread_spin_lock.3 b/man3/pthread_spin_lock.3 index 4c9bcf1..65e4d45 100644 --- a/man3/pthread_spin_lock.3 +++ b/man3/pthread_spin_lock.3 @@ -2,7 +2,7 @@ .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" -.TH pthread_spin_lock 3 2023-03-30 "Linux man-pages 6.05.01" +.TH pthread_spin_lock 3 2023-10-31 "Linux man-pages 6.7" .SH NAME pthread_spin_lock, pthread_spin_trylock, pthread_spin_unlock \- lock and unlock a spin lock @@ -12,17 +12,17 @@ POSIX threads library .SH SYNOPSIS .nf .B #include <pthread.h> -.PP +.P .BI "int pthread_spin_lock(pthread_spinlock_t *" lock ); .BI "int pthread_spin_trylock(pthread_spinlock_t *" lock ); .BI "int pthread_spin_unlock(pthread_spinlock_t *" lock ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR pthread_spin_lock (), .BR pthread_spin_trylock (): .nf @@ -38,14 +38,14 @@ the calling thread acquires the lock immediately. If the spin lock is currently locked by another thread, the calling thread spins, testing the lock until it becomes available, at which point the calling thread acquires the lock. -.PP +.P Calling .BR pthread_spin_lock () on a lock that is already held by the caller or a lock that has not been initialized with .BR pthread_spin_init (3) results in undefined behavior. -.PP +.P The .BR pthread_spin_trylock () function is like @@ -55,14 +55,14 @@ except that if the spin lock referred to by is currently locked, then, instead of spinning, the call returns immediately with the error .BR EBUSY . -.PP +.P The .BR pthread_spin_unlock () function unlocks the spin lock referred to .IR lock . If any threads are spinning on the lock, one of those threads will then acquire the lock. -.PP +.P Calling .BR pthread_spin_unlock () on a lock that is not held by the caller results in undefined behavior. @@ -76,7 +76,7 @@ may fail with the following errors: .B EDEADLOCK .\" Not detected in glibc The system detected a deadlock condition. -.PP +.P .BR pthread_spin_trylock () fails with the following errors: .TP @@ -90,7 +90,7 @@ POSIX.1-2001. .SH CAVEATS Applying any of the functions described on this page to an uninitialized spin lock results in undefined behavior. -.PP +.P Carefully read NOTES in .BR pthread_spin_init (3). .SH SEE ALSO |