mirror of https://github.com/mkerrisk/man-pages
82 lines
2.1 KiB
Plaintext
82 lines
2.1 KiB
Plaintext
.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
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.TH "RAISE" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
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.\" raise
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.SH NAME
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raise \- send a signal to the executing process
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.SH SYNOPSIS
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.LP
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\fB#include <signal.h>
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.br
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.sp
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int raise(int\fP \fIsig\fP\fB);
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.br
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\fP
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.SH DESCRIPTION
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.LP
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The \fIraise\fP() function shall send the signal \fIsig\fP to the
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executing \ thread or
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process. If a signal handler is called, the \fIraise\fP() function
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shall not return until after the signal handler does.
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.LP
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If the implementation supports the Threads option, the effect of the
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\fIraise\fP() function shall be equivalent to calling:
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.sp
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.RS
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.nf
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\fBpthread_kill(pthread_self(), sig);
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\fP
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.fi
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.RE
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.LP
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Otherwise, the effect of the \fIraise\fP() function shall be equivalent
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to calling:
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.sp
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.RS
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.nf
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\fBkill(getpid(), sig);
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\fP
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.fi
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.RE
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.SH RETURN VALUE
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.LP
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Upon successful completion, 0 shall be returned. Otherwise, a non-zero
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value shall be returned \ and
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\fIerrno\fP shall be set to indicate the error.
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.SH ERRORS
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.LP
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The \fIraise\fP() function shall fail if:
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.TP 7
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.B EINVAL
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The value of the \fIsig\fP argument is an invalid signal number.
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.sp
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.LP
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\fIThe following sections are informative.\fP
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.SH EXAMPLES
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.LP
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None.
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.SH APPLICATION USAGE
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.LP
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None.
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.SH RATIONALE
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.LP
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The term "thread" is an extension to the ISO\ C standard.
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.SH FUTURE DIRECTIONS
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.LP
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None.
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.SH SEE ALSO
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.LP
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\fIkill\fP() , \fIsigaction\fP() , the Base Definitions volume of
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IEEE\ Std\ 1003.1-2001, \fI<signal.h>\fP, \fI<sys/types.h>\fP
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.SH COPYRIGHT
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Portions of this text are reprinted and reproduced in electronic form
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from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
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-- Portable Operating System Interface (POSIX), The Open Group Base
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Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
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Electrical and Electronics Engineers, Inc and The Open Group. In the
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event of any discrepancy between this version and the original IEEE and
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The Open Group Standard, the original IEEE and The Open Group Standard
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is the referee document. The original Standard can be obtained online at
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http://www.opengroup.org/unix/online.html .
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