| | 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 |
| | 9 | .\" the first lines of this file unmodified other than the possible |
| | 10 | .\" addition of one or more copyright notices. |
| | 11 | .\" 2. Redistributions in binary form must reproduce the above copyright |
| | 12 | .\" notice(s), this list of conditions and the following disclaimer in |
| | 13 | .\" the documentation and/or other materials provided with the |
| | 14 | .\" distribution. |
| | 15 | .\" |
| | 16 | .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY |
| | 17 | .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 18 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| | 19 | .\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE |
| | 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: src/lib/libc_r/man/sem_open.3,v 1.1.2.6 2001/12/17 10:08:26 ru Exp $ |
| | 29 | .\" $DragonFly: src/lib/libc_r/man/sem_open.3,v 1.2 2003/06/17 04:26:48 dillon Exp $ |
| | 30 | .Dd February 15, 2000 |
| | 31 | .Dt SEM_OPEN 3 |
| | 32 | .Os |
| | 33 | .Sh NAME |
| | 34 | .Nm sem_open , |
| | 35 | .Nm sem_close , |
| | 36 | .Nm sem_unlink |
| | 37 | .Nd named semaphore operations |
| | 38 | .Sh LIBRARY |
| | 39 | .Lb libc_r |
| | 40 | .Sh SYNOPSIS |
| | 41 | .In semaphore.h |
| | 42 | .Ft sem_t * |
| | 43 | .Fn sem_open "const char *name" "int oflag" "..." |
| | 44 | .Ft int |
| | 45 | .Fn sem_close "sem_t *sem" |
| | 46 | .Ft int |
| | 47 | .Fn sem_unlink "const char *name" |
| | 48 | .Sh DESCRIPTION |
| | 49 | The |
| | 50 | .Fn sem_open , |
| | 51 | .Fn sem_close , |
| | 52 | and |
| | 53 | .Fn sem_unlink |
| | 54 | functions are not supported by this implementation. |
| | 55 | .Sh RETURN VALUES |
| | 56 | .Fn sem_open |
| | 57 | returns SEM_FAILED and sets |
| | 58 | .Va errno |
| | 59 | to indicate an error. |
| | 60 | .Fn sem_close |
| | 61 | and |
| | 62 | .Fn sem_unlink |
| | 63 | return -1 and set |
| | 64 | .Va errno |
| | 65 | to indicate an error. |
| | 66 | .Sh ERRORS |
| | 67 | .Fn sem_open , |
| | 68 | .Fn sem_close , |
| | 69 | and |
| | 70 | .Fn sem_unlink |
| | 71 | will fail: |
| | 72 | .Bl -tag -width Er |
| | 73 | .It Bq Er ENOSYS |
| | 74 | Function not supported by this implementation. |
| | 75 | .El |
| | 76 | .Sh STANDARDS |
| | 77 | .Fn sem_open , |
| | 78 | .Fn sem_close , |
| | 79 | and |
| | 80 | .Fn sem_unlink |
| | 81 | conform to |
| | 82 | .St -p1003.1-96 . |
projects / dragonfly.git / blame_incremental