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Diffstat (limited to 'static/netbsd/man2/_ksem.2')
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diff --git a/static/netbsd/man2/_ksem.2 b/static/netbsd/man2/_ksem.2 new file mode 100644 index 00000000..4a01cdbc --- /dev/null +++ b/static/netbsd/man2/_ksem.2 @@ -0,0 +1,97 @@ +.\" $NetBSD: _ksem.2,v 1.2 2015/11/29 21:38:10 wiz Exp $ +.\" +.\" Copyright (c) 2015 The NetBSD Foundation, Inc. +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS +.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS +.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +.\" POSSIBILITY OF SUCH DAMAGE. +.\" +.Dd November 30, 2015 +.Dt _KSEM 2 +.Os +.Sh NAME +.Nm _ksem , +.Nm _ksem_init , +.Nm _ksem_open , +.Nm _ksem_close , +.Nm _ksem_unlink , +.Nm _ksem_destroy , +.Nm _ksem_getvalue , +.Nm _ksem_post , +.Nm _ksem_wait , +.Nm _ksem_timedwait , +.Nm _ksem_trywait +.Nd back-end implementation for POSIX semaphores +.Sh SYNOPSIS +.In sys/ksem.h +.Ft int +.Fn _ksem_init "int value" "intptr_t *idp" +.Ft int +.Fn _ksem_open "const char *name" "int oflag" "mode_t mode" "unsigned int value" "intptr_t *idp" +.Ft int +.Fn _ksem_close "intptr_t id" +.Ft int +.Fn _ksem_unlink "const char *name" +.Ft int +.Fn _ksem_destroy "intptr_t id" +.Ft int +.Fn _ksem_getvalue "intptr_t id" "unsigned int *value" +.Ft int +.Fn _ksem_post "intptr_t id" +.Ft int +.Fn _ksem_wait "intptr_t id" +.Ft int +.Fn _ksem_timedwait "intptr_t id" "const struct timespec *abstime" +.Ft int +.Fn _ksem_trywait "intptr_t id" +.Sh DESCRIPTION +The +.Fn _ksem_* +family of system calls provide the kernel implementation of POSIX +semaphores. +.Sh RETURN VALUES +Successful calls to the +.Fn _ksem_* +system calls return a value of zero. +Otherwise, \-1 is returned and +.Va errno +is set to provide more information. +.Sh ERRORS +Please see the section 3 manual pages for specific error information. +.Sh SEE ALSO +.Xr sem_close 3 , +.Xr sem_destroy 3 , +.Xr sem_getvalue 3 , +.Xr sem_init 3 , +.Xr sem_open 3 , +.Xr sem_post 3 , +.Xr sem_unlink 3 , +.Xr sem_wait 3 , +.Xr sem 4 +.Sh HISTORY +Most of the +.Fn _ksem_* +system calls first appeared in +.Nx 2.0 . +The +.Fn _ksem_timedwait +system call first appeared in +.Nx 5.0 . |
