diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
commit | 3d08cd331c1adcf0d917392f7e527b3f00511748 (patch) | |
tree | 312f0d1e1632f48862f044b8bb87e602dcffb5f9 /man/man3/sem_close.3 | |
parent | Adding debian version 6.7-2. (diff) | |
download | manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.tar.xz manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.zip |
Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man/man3/sem_close.3')
-rw-r--r-- | man/man3/sem_close.3 | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/man/man3/sem_close.3 b/man/man3/sem_close.3 new file mode 100644 index 0000000..46331ac --- /dev/null +++ b/man/man3/sem_close.3 @@ -0,0 +1,63 @@ +'\" t +.\" Copyright (C) 2006 Michael Kerrisk <mtk.manpages@gmail.com> +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.TH sem_close 3 2024-05-02 "Linux man-pages (unreleased)" +.SH NAME +sem_close \- close a named semaphore +.SH LIBRARY +POSIX threads library +.RI ( libpthread ", " \-lpthread ) +.SH SYNOPSIS +.nf +.B #include <semaphore.h> +.P +.BI "int sem_close(sem_t *" sem ); +.fi +.SH DESCRIPTION +.BR sem_close () +closes the named semaphore referred to by +.IR sem , +allowing any resources that the system has allocated to +the calling process for this semaphore to be freed. +.SH RETURN VALUE +On success +.BR sem_close () +returns 0; on error, \-1 is returned, with +.I errno +set to indicate the error. +.SH ERRORS +.TP +.B EINVAL +.I sem +is not a valid semaphore. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR sem_close () +T} Thread safety MT-Safe +.TE +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +POSIX.1-2001. +.SH NOTES +All open named semaphores are automatically closed on process +termination, or upon +.BR execve (2). +.SH SEE ALSO +.BR sem_getvalue (3), +.BR sem_open (3), +.BR sem_post (3), +.BR sem_unlink (3), +.BR sem_wait (3), +.BR sem_overview (7) |