| sem_destroy.3 (124530) | sem_destroy.3 (131465) |
|---|---|
| 1.\" Copyright (C) 2000 Jason Evans <jasone@FreeBSD.org>. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice(s), this list of conditions and the following disclaimer as --- 11 unchanged lines hidden (view full) --- 20.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25.\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 26.\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27.\" | 1.\" Copyright (C) 2000 Jason Evans <jasone@FreeBSD.org>. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice(s), this list of conditions and the following disclaimer as --- 11 unchanged lines hidden (view full) --- 20.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25.\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 26.\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27.\" |
| 28.\" $FreeBSD: head/lib/libc/gen/sem_destroy.3 124530 2004-01-14 20:54:16Z ru $ | 28.\" $FreeBSD: head/lib/libc/gen/sem_destroy.3 131465 2004-07-02 16:45:56Z ru $ 29.\" |
| 29.Dd February 15, 2000 30.Dt SEM_DESTROY 3 31.Os 32.Sh NAME 33.Nm sem_destroy 34.Nd destroy an unnamed semaphore 35.Sh LIBRARY 36.Lb libc --- 5 unchanged lines hidden (view full) --- 42The 43.Fn sem_destroy 44function destroys the unnamed semaphore pointed to by 45.Fa sem . 46After a successful call to 47.Fn sem_destroy , 48.Fa sem 49is unusable until re-initialized by another call to | 30.Dd February 15, 2000 31.Dt SEM_DESTROY 3 32.Os 33.Sh NAME 34.Nm sem_destroy 35.Nd destroy an unnamed semaphore 36.Sh LIBRARY 37.Lb libc --- 5 unchanged lines hidden (view full) --- 43The 44.Fn sem_destroy 45function destroys the unnamed semaphore pointed to by 46.Fa sem . 47After a successful call to 48.Fn sem_destroy , 49.Fa sem 50is unusable until re-initialized by another call to |
| 50.Fn sem_init . | 51.Xr sem_init 3 . |
| 51.Sh RETURN VALUES 52.Rv -std sem_destroy 53.Sh ERRORS 54The 55.Fn sem_destroy 56function will fail if: 57.Bl -tag -width Er 58.It Bq Er EINVAL | 52.Sh RETURN VALUES 53.Rv -std sem_destroy 54.Sh ERRORS 55The 56.Fn sem_destroy 57function will fail if: 58.Bl -tag -width Er 59.It Bq Er EINVAL |
| 60The |
|
| 59.Fa sem | 61.Fa sem |
| 62argument |
|
| 60points to an invalid semaphore. 61.It Bq Er EBUSY 62There are currently threads blocked on the semaphore that 63.Fa sem 64points to. 65.El 66.Sh SEE ALSO 67.Xr sem_init 3 , 68.Xr sem 4 69.Sh STANDARDS 70The 71.Fn sem_destroy 72function conforms to 73.St -p1003.1-96 . 74.Pp | 63points to an invalid semaphore. 64.It Bq Er EBUSY 65There are currently threads blocked on the semaphore that 66.Fa sem 67points to. 68.El 69.Sh SEE ALSO 70.Xr sem_init 3 , 71.Xr sem 4 72.Sh STANDARDS 73The 74.Fn sem_destroy 75function conforms to 76.St -p1003.1-96 . 77.Pp |
| 75POSIX does not define the behavior of | 78.Tn POSIX 79does not define the behavior of |
| 76.Fn sem_destroy 77if called while there are threads blocked on 78.Fa sem , | 80.Fn sem_destroy 81if called while there are threads blocked on 82.Fa sem , |
| 79but this implementation is guaranteed to return -1 and set | 83but this implementation is guaranteed to return \-1 and set |
| 80.Va errno 81to 82.Er EBUSY 83if there are threads blocked on 84.Fa sem . | 84.Va errno 85to 86.Er EBUSY 87if there are threads blocked on 88.Fa sem . |