signal.3

tcl是工具命令语言

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'\" Copyright (c) 2001 ActiveState Tool Corp.
'\"
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'\" RCS: @(#) $Id: Signal.3,v 1.2 2002/01/15 21:19:06 dgp Exp $
.so man.macros
.TH Tcl_SignalId 3 8.3 Tcl "Tcl Library Procedures"
.BS
.SH NAME
Tcl_SignalId, Tcl_SignalMsg \- Convert signal codes
.SH SYNOPSIS
.nf
\fB#include <tcl.h>\fR
.sp
CONST char *
\fBTcl_SignalId\fR(\fIsig\fR)
.sp
CONST char *
\fBTcl_SignalMsg\fR(\fIsig\fR)
.sp
.SH ARGUMENTS
.AP int sig in
A POSIX signal number such as \fBSIGPIPE\fR.
.BE

.SH DESCRIPTION
.PP
\fBTcl_SignalId\fR and \fBTcl_SignalMsg\fR return a string
representation of the provided signal number (\fIsig\fR).
\fBTcl_SignalId\fR returns a machine-readable textual identifier such
as "SIGPIPE". \fBTcl_SignalMsg\fR returns a human-readable string such
as "bus error".  The strings returned by these functions are
statically allocated and the caller must not free or modify them.

.SH KEYWORDS
signals, signal numbers