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Diffstat (limited to 'man3/raise.3')
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diff --git a/man3/raise.3 b/man3/raise.3 new file mode 100644 index 0000000..49d2d96 --- /dev/null +++ b/man3/raise.3 @@ -0,0 +1,84 @@ +'\" t +.\" Copyright (c) 1993 by Thomas Koenig (ig25@rz.uni-karlsruhe.de) +.\" and Copyright (C) 2008 Michael Kerrisk <mtk.manpages@gmail.com> +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" Modified Sat Jul 24 18:40:56 1993 by Rik Faith (faith@cs.unc.edu) +.\" Modified 1995 by Mike Battersby (mib@deakin.edu.au) +.\" +.TH raise 3 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +raise \- send a signal to the caller +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <signal.h> +.PP +.BI "int raise(int " sig ); +.fi +.SH DESCRIPTION +The +.BR raise () +function sends a signal to the calling process or thread. +In a single-threaded program it is equivalent to +.PP +.in +4n +.EX +kill(getpid(), sig); +.EE +.in +.PP +In a multithreaded program it is equivalent to +.PP +.in +4n +.EX +pthread_kill(pthread_self(), sig); +.EE +.in +.PP +If the signal causes a handler to be called, +.BR raise () +will return only after the signal handler has returned. +.SH RETURN VALUE +.BR raise () +returns 0 on success, and nonzero for failure. +.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 raise () +T} Thread safety MT-Safe +.TE +.sp 1 +.SH STANDARDS +C11, POSIX.1-2008. +.SH HISTORY +POSIX.1-2001, C89. +.PP +Since glibc 2.3.3, +.BR raise () +is implemented by calling +.BR tgkill (2), +.\" 2.3.2 used the obsolete tkill(), if available. +if the kernel supports that system call. +Older glibc versions implemented +.BR raise () +using +.BR kill (2). +.SH SEE ALSO +.BR getpid (2), +.BR kill (2), +.BR sigaction (2), +.BR signal (2), +.BR pthread_kill (3), +.BR signal (7) |