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| author | Alejandro Colomar <alx@kernel.org> | 2024-04-26 15:06:49 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx@kernel.org> | 2024-05-02 01:24:19 +0200 |
| commit | dcde2f70372b49ec43efc5db864c9ff585d0a2dd (patch) | |
| tree | 78b9b7425130e4a5858e4c01a524d802423879ed /man/man3/sleep.3 | |
| parent | 12aca537ce78a41bbcdaf485209691e10f8002d7 (diff) | |
| download | man-pages-dcde2f70372b49ec43efc5db864c9ff585d0a2dd.tar.gz | |
man/, share/mk/: Move man*/ to man/
This is a scripted change:
$ mkdir man/;
$ mv man* man/;
$ ln -st . man/man*;
$ find share/mk/ -type f \
| xargs grep -l '^MANDIR *:=' \
| xargs sed -i '/^MANDIR *:=/s,$,/man,';
$ find share/mk/dist/ -type f \
| xargs grep -l man \
| xargs sed -i 's,man%,man/%,g';
Link: <https://lore.kernel.org/linux-man/YxcV4h+Xn7cd6+q2@pevik/T/>
Cc: Petr Vorel <pvorel@suse.cz>
Cc: Jakub Wilk <jwilk@jwilk.net>
Cc: Stefan Puiu <stefan.puiu@gmail.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
Diffstat (limited to 'man/man3/sleep.3')
| -rw-r--r-- | man/man3/sleep.3 | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/man/man3/sleep.3 b/man/man3/sleep.3 new file mode 100644 index 0000000000..0cf235d90a --- /dev/null +++ b/man/man3/sleep.3 @@ -0,0 +1,79 @@ +'\" t +.\" Copyright (c) 1993 by Thomas Koenig (ig25@rz.uni-karlsruhe.de) +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" Modified Sat Jul 24 18:16:02 1993 by Rik Faith (faith@cs.unc.edu) +.TH sleep 3 (date) "Linux man-pages (unreleased)" +.SH NAME +sleep \- sleep for a specified number of seconds +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <unistd.h> +.P +.BI "unsigned int sleep(unsigned int " "seconds" ); +.fi +.SH DESCRIPTION +.BR sleep () +causes the calling thread to sleep either until +the number of real-time seconds specified in +.I seconds +have elapsed or until a signal arrives which is not ignored. +.SH RETURN VALUE +Zero if the requested time has elapsed, +or the number of seconds left to sleep, +if the call was interrupted by a signal handler. +.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 sleep () +T} Thread safety MT-Unsafe sig:SIGCHLD/linux +.TE +.SH VERSIONS +On Linux, +.BR sleep () +is implemented via +.BR nanosleep (2). +See the +.BR nanosleep (2) +man page for a discussion of the clock used. +.P +On some systems, +.BR sleep () +may be implemented using +.BR alarm (2) +and +.B SIGALRM +(POSIX.1 permits this); +mixing calls to +.BR alarm (2) +and +.BR sleep () +is a bad idea. +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +POSIX.1-2001. +.SH CAVEATS +Using +.BR longjmp (3) +from a signal handler or modifying the handling of +.B SIGALRM +while sleeping will cause undefined results. +.SH SEE ALSO +.BR sleep (1), +.BR alarm (2), +.BR nanosleep (2), +.BR signal (2), +.BR signal (7) |