60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Signal name/number conversion routines.
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*
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* Copyright 2006 Rob Landley <rob@landley.net>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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static const struct signal_name {
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int number;
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char name[5];
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} signals[] = {
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// SUSv3 says kill must support these, and specifies the numerical values,
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// http://www.opengroup.org/onlinepubs/009695399/utilities/kill.html
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// TODO: "[SIG]EXIT" shouldn't work for kill, right?
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{0, "EXIT"}, {1, "HUP"}, {2, "INT"}, {3, "QUIT"}, {6, "ABRT"}, {9, "KILL"},
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{14, "ALRM"}, {15, "TERM"},
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// And Posix adds the following:
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{SIGILL, "ILL"}, {SIGTRAP, "TRAP"}, {SIGFPE, "FPE"}, {SIGUSR1, "USR1"},
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{SIGSEGV, "SEGV"}, {SIGUSR2, "USR2"}, {SIGPIPE, "PIPE"}, {SIGCHLD, "CHLD"},
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{SIGCONT, "CONT"}, {SIGSTOP, "STOP"}, {SIGTSTP, "TSTP"}, {SIGTTIN, "TTIN"},
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{SIGTTOU, "TTOU"}
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};
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// Convert signal name to number.
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int get_signum(const char *name)
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{
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int i;
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i = bb_strtou(name, NULL, 10);
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if (!errno) return i;
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for (i = 0; i < sizeof(signals) / sizeof(struct signal_name); i++)
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if (strcasecmp(name, signals[i].name) == 0
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|| (strncasecmp(name, "SIG", 3) == 0
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&& strcasecmp(&name[3], signals[i].name) == 0))
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return signals[i].number;
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return -1;
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}
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// Convert signal number to name
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const char *get_signame(int number)
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{
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int i;
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static char buf[8];
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for (i=0; i < sizeof(signals) / sizeof(struct signal_name); i++) {
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if (number == signals[i].number) {
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return signals[i].name;
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}
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}
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itoa_to_buf(number, buf, 8);
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return buf;
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}
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