250 lines
4.8 KiB
C
250 lines
4.8 KiB
C
/*
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FUNCTION
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<<strsignal>>---convert signal number to string
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INDEX
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strsignal
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SYNOPSIS
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#include <string.h>
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char *strsignal(int <[signal]>);
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DESCRIPTION
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<<strsignal>> converts the signal number <[signal]> into a
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string. If <[signal]> is not a known signal number, the result
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will be of the form "Unknown signal NN" where NN is the <[signal]>
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is a decimal number.
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RETURNS
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This function returns a pointer to a string. Your application must
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not modify that string.
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PORTABILITY
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POSIX.1-2008 C requires <<strsignal>>, but does not specify the strings used
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for each signal number.
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<<strsignal>> requires no supporting OS subroutines.
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QUICKREF
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strsignal pure
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*/
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/*
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* Written by Joel Sherrill <joel.sherrill@OARcorp.com>.
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*
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* COPYRIGHT (c) 2010, 2017.
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* On-Line Applications Research Corporation (OAR).
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose without fee is hereby granted, provided that this entire notice
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* is included in all copies of any software which is or includes a copy
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* or modification of this software.
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*
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* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTY. IN PARTICULAR, THE AUTHOR MAKES NO REPRESENTATION
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* OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS
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* SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
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*/
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#include <string.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <reent.h>
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char *
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strsignal (int signal)
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{
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char *buffer;
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struct _reent *ptr;
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ptr = _REENT;
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_REENT_CHECK_SIGNAL_BUF(ptr);
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buffer = _REENT_SIGNAL_BUF(ptr);
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#if defined(SIGRTMIN) && defined(SIGRTMAX)
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if ((signal >= SIGRTMIN) && (signal <= SIGRTMAX)) {
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siprintf (buffer, "Real-time signal %d", signal - SIGRTMIN);
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return buffer;
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}
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#endif
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switch (signal) {
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#ifdef SIGHUP
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case SIGHUP:
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buffer = "Hangup";
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break;
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#endif
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#ifdef SIGINT
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case SIGINT:
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buffer = "Interrupt";
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break;
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#endif
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#ifdef SIGQUIT
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case SIGQUIT:
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buffer = "Quit";
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break;
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#endif
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#ifdef SIGILL
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case SIGILL:
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buffer = "Illegal instruction";
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break;
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#endif
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#ifdef SIGTRAP
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case SIGTRAP:
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buffer = "Trace/breakpoint trap";
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break;
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#endif
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#ifdef SIGIOT
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#if defined(SIGABRT) && (SIGIOT != SIGABRT)
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case SIGABRT:
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#endif
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case SIGIOT:
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buffer = "IOT trap";
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break;
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#endif
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#ifdef SIGEMT
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case SIGEMT:
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buffer = "EMT trap";
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break;
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#endif
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#ifdef SIGFPE
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case SIGFPE:
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buffer = "Floating point exception";
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break;
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#endif
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#ifdef SIGKILL
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case SIGKILL:
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buffer = "Killed";
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break;
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#endif
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#ifdef SIGBUS
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case SIGBUS:
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buffer = "Bus error";
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break;
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#endif
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#ifdef SIGSEGV
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case SIGSEGV:
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buffer = "Segmentation fault";
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break;
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#endif
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#ifdef SIGSYS
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case SIGSYS:
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buffer = "Bad system call";
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break;
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#endif
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#ifdef SIGPIPE
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case SIGPIPE:
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buffer = "Broken pipe";
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break;
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#endif
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#ifdef SIGALRM
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case SIGALRM:
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buffer = "Alarm clock";
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break;
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#endif
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#ifdef SIGTERM
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case SIGTERM:
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buffer = "Terminated";
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break;
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#endif
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#ifdef SIGURG
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case SIGURG:
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buffer = "Urgent I/O condition";
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break;
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#endif
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#ifdef SIGSTOP
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case SIGSTOP:
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buffer = "Stopped (signal)";
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break;
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#endif
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#ifdef SIGTSTP
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case SIGTSTP:
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buffer = "Stopped";
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break;
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#endif
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#ifdef SIGCONT
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case SIGCONT:
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buffer = "Continued";
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break;
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#endif
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#ifdef SIGCHLD
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#if defined(SIGCLD) && (SIGCHLD != SIGCLD)
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case SIGCLD:
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#endif
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case SIGCHLD:
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buffer = "Child exited";
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break;
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#endif
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#ifdef SIGTTIN
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case SIGTTIN:
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buffer = "Stopped (tty input)";
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break;
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#endif
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#ifdef SIGTTOUT
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case SIGTTOUT:
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buffer = "Stopped (tty output)";
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break;
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#endif
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#ifdef SIGIO
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#if defined(SIGPOLL) && (SIGIO != SIGPOLL)
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case SIGPOLL:
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#endif
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case SIGIO:
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buffer = "I/O possible";
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break;
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#endif
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#ifdef SIGWINCH
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case SIGWINCH:
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buffer = "Window changed";
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break;
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#endif
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#ifdef SIGUSR1
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case SIGUSR1:
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buffer = "User defined signal 1";
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break;
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#endif
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#ifdef SIGUSR2
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case SIGUSR2:
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buffer = "User defined signal 2";
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break;
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#endif
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#ifdef SIGPWR
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case SIGPWR:
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buffer = "Power Failure";
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break;
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#endif
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#ifdef SIGXCPU
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case SIGXCPU:
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buffer = "CPU time limit exceeded";
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break;
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#endif
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#ifdef SIGXFSZ
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case SIGXFSZ:
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buffer = "File size limit exceeded";
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break;
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#endif
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#ifdef SIGVTALRM
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case SIGVTALRM :
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buffer = "Virtual timer expired";
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break;
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#endif
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#ifdef SIGPROF
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case SIGPROF:
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buffer = "Profiling timer expired";
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break;
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#endif
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#if defined(SIGLOST) && SIGLOST != SIGPWR
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case SIGLOST:
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buffer = "Resource lost";
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break;
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#endif
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default:
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siprintf (buffer, "Unknown signal %d", signal);
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break;
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}
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return buffer;
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}
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