diff options
| 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/on_exit.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/on_exit.3')
| -rw-r--r-- | man/man3/on_exit.3 | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/man/man3/on_exit.3 b/man/man3/on_exit.3 new file mode 100644 index 0000000000..08fceba134 --- /dev/null +++ b/man/man3/on_exit.3 @@ -0,0 +1,105 @@ +'\" t +.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" References consulted: +.\" Linux libc source code +.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) +.\" 386BSD man pages +.\" Modified 1993-04-02, David Metcalfe +.\" Modified 1993-07-25, Rik Faith (faith@cs.unc.edu) +.TH on_exit 3 (date) "Linux man-pages (unreleased)" +.SH NAME +on_exit \- register a function to be called at normal process termination +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <stdlib.h> +.P +.BI "int on_exit(void (*" function ")(int, void *), void *" arg ); +.fi +.P +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.P +.BR on_exit (): +.nf + Since glibc 2.19: + _DEFAULT_SOURCE + glibc 2.19 and earlier: + _BSD_SOURCE || _SVID_SOURCE +.fi +.SH DESCRIPTION +The +.BR on_exit () +function registers the given +.I function +to be +called at normal process termination, whether via +.BR exit (3) +or via return from the program's +.IR main (). +The +.I function +is passed the status argument given to the last call to +.BR exit (3) +and the +.I arg +argument from +.BR on_exit (). +.P +The same function may be registered multiple times: +it is called once for each registration. +.P +When a child process is created via +.BR fork (2), +it inherits copies of its parent's registrations. +Upon a successful call to one of the +.BR exec (3) +functions, all registrations are removed. +.SH RETURN VALUE +The +.BR on_exit () +function returns the value 0 if successful; otherwise +it returns a nonzero value. +.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 on_exit () +T} Thread safety MT-Safe +.TE +.SH STANDARDS +None. +.SH HISTORY +SunOS 4, glibc. +Removed in Solaris (SunOS 5). +Use the standard +.BR atexit (3) +instead. +.SH CAVEATS +By the time +.I function +is executed, stack +.RI ( auto ) +variables may already have gone out of scope. +Therefore, +.I arg +should not be a pointer to a stack variable; +it may however be a pointer to a heap variable or a global variable. +.SH SEE ALSO +.BR _exit (2), +.BR atexit (3), +.BR exit (3) |