| sem_init.3 (fccedf067d9e77523b684f179b4aed07995f7b05) | sem_init.3 (26b6c45a92c8eae91cad4a7ce8935e08d2e5d368) |
|---|---|
| 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 --- 12 unchanged lines hidden (view full) --- 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.\" $FreeBSD$ | 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 --- 12 unchanged lines hidden (view full) --- 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.\" $FreeBSD$ |
| 29.\" |
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| 29.Dd February 15, 2000 30.Dt SEM_INIT 3 31.Os 32.Sh NAME 33.Nm sem_init 34.Nd initialize an unnamed semaphore 35.Sh LIBRARY 36.Lb libc --- 29 unchanged lines hidden (view full) --- 66.Sh RETURN VALUES 67.Rv -std sem_init 68.Sh ERRORS 69The 70.Fn sem_init 71function will fail if: 72.Bl -tag -width Er 73.It Bq Er EINVAL | 30.Dd February 15, 2000 31.Dt SEM_INIT 3 32.Os 33.Sh NAME 34.Nm sem_init 35.Nd initialize an unnamed semaphore 36.Sh LIBRARY 37.Lb libc --- 29 unchanged lines hidden (view full) --- 67.Sh RETURN VALUES 68.Rv -std sem_init 69.Sh ERRORS 70The 71.Fn sem_init 72function will fail if: 73.Bl -tag -width Er 74.It Bq Er EINVAL |
| 75The |
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| 74.Fa value | 76.Fa value |
| 75exceeds SEM_VALUE_MAX. | 77argument exceeds 78.Dv SEM_VALUE_MAX . |
| 76.It Bq Er ENOSPC 77Memory allocation error. 78.It Bq Er EPERM 79Unable to initialize a shared semaphore. 80.El 81.Sh SEE ALSO 82.Xr sem_destroy 3 , 83.Xr sem_post 3 , --- 6 unchanged lines hidden (view full) --- 90function conforms to 91.St -p1003.1-96 . 92.Pp 93This implementation does not support shared semaphores, and reports this fact 94by setting 95.Va errno 96to 97.Er EPERM . | 79.It Bq Er ENOSPC 80Memory allocation error. 81.It Bq Er EPERM 82Unable to initialize a shared semaphore. 83.El 84.Sh SEE ALSO 85.Xr sem_destroy 3 , 86.Xr sem_post 3 , --- 6 unchanged lines hidden (view full) --- 93function conforms to 94.St -p1003.1-96 . 95.Pp 96This implementation does not support shared semaphores, and reports this fact 97by setting 98.Va errno 99to 100.Er EPERM . |
| 98This is perhaps a stretch of the intention of POSIX, but is | 101This is perhaps a stretch of the intention of 102.Tn POSIX , 103but is |
| 99compliant, with the caveat that 100.Fn sem_init 101always reports a permissions error when an attempt to create a shared semaphore 102is made. | 104compliant, with the caveat that 105.Fn sem_init 106always reports a permissions error when an attempt to create a shared semaphore 107is made. |