59 lines
1.5 KiB
C
59 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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char name[5];
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int number;
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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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{"0", 0}, {"HUP", 1}, {"INT", 2}, {"QUIT", 3}, {"ABRT", 6}, {"KILL", 9},
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{"ALRM", 14}, {"TERM", 15},
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// And Posix adds the following:
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{"ILL", SIGILL}, {"TRAP", SIGTRAP}, {"FPE", SIGFPE}, {"USR1", SIGUSR1},
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{"SEGV", SIGSEGV}, {"USR2", SIGUSR2}, {"PIPE", SIGPIPE}, {"CHLD", SIGCHLD},
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{"CONT", SIGCONT}, {"STOP", SIGSTOP}, {"TSTP", SIGTSTP}, {"TTIN", SIGTTIN},
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{"TTOU", SIGTTOU}
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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 = atoi(name);
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if(i) return i;
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for(i=0; i < sizeof(signals) / sizeof(struct signal_name); i++)
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if (!strcasecmp(signals[i].name, name) ||
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(!strncasecmp(signals[i].name, "SIG", 3)
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&& !strcasecmp(signals[i].name+3, signals[i].name)))
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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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