Libc-498.1.5.tar.gz

[apple/libc.git] / pthreads / pthread_rwlock_wrlock.3

diff --git a/pthreads/pthread_rwlock_wrlock.3 b/pthreads/pthread_rwlock_wrlock.3
index f30df5a8838f7572e719993d2baecb80f08f4bf8..5906e4b947809f7229281ef9b30ec93ff4425da2 100644 (file)
--- a/pthreads/pthread_rwlock_wrlock.3
+++ b/pthreads/pthread_rwlock_wrlock.3
@@ -28,20 +28,24 @@
 .Dt PTHREAD_RWLOCK_WRLOCK 3
 .Os
 .Sh NAME
 .Dt PTHREAD_RWLOCK_WRLOCK 3
 .Os
 .Sh NAME

-.Nm pthread_rwlock_wrlock ,
-.Nm pthread_rwlock_trywrlock
+.Nm pthread_rwlock_trywrlock ,
+.Nm pthread_rwlock_wrlock

 .Nd acquire a read/write lock for writing
 .Sh SYNOPSIS
 .In pthread.h
 .Ft int
 .Nd acquire a read/write lock for writing
 .Sh SYNOPSIS
 .In pthread.h
 .Ft int

-.Fn pthread_rwlock_wrlock "pthread_rwlock_t *lock"
+.Fo pthread_rwlock_trywrlock
+.Fa "pthread_rwlock_t *rwlock"
+.Fc

 .Ft int
 .Ft int

-.Fn pthread_rwlock_trywrlock "pthread_rwlock_t *lock"
+.Fo pthread_rwlock_wrlock
+.Fa "pthread_rwlock_t *rwlock"
+.Fc

 .Sh DESCRIPTION
 The
 .Fn pthread_rwlock_wrlock
 function blocks until a write lock can be acquired against
 .Sh DESCRIPTION
 The
 .Fn pthread_rwlock_wrlock
 function blocks until a write lock can be acquired against

-.Fa lock .
+.Fa rwlock .

 The
 .Fn pthread_rwlock_trywrlock
 function performs the same action, but does not block if the lock
 The
 .Fn pthread_rwlock_trywrlock
 function performs the same action, but does not block if the lock


@@ -56,8 +60,8 @@ If successful, the
 .Fn pthread_rwlock_wrlock
 and
 .Fn pthread_rwlock_trywrlock
 .Fn pthread_rwlock_wrlock
 and
 .Fn pthread_rwlock_trywrlock

-functions will return zero.  Otherwise an error number will be returned
-to indicate the error.
+functions will return zero.
+Otherwise, an error number will be returned  to indicate the error.

 .Sh SEE ALSO
 .Xr pthread_rwlock_trywrlock 3 ,
 .Xr pthread_rwlock_unlock 3 ,
 .Sh SEE ALSO
 .Xr pthread_rwlock_trywrlock 3 ,
 .Xr pthread_rwlock_unlock 3 ,


@@ -89,7 +93,7 @@ The calling thread already owns the read/write lock (for reading
 or writing).
 .It Bq Er EINVAL
 The value specified by
 or writing).
 .It Bq Er EINVAL
 The value specified by

-.Fa lock
+.Fa rwlock

 is invalid.
 .It Bq Er ENOMEM
 Insufficient memory exists to initialize the lock (applies to
 is invalid.
 .It Bq Er ENOMEM
 Insufficient memory exists to initialize the lock (applies to