busybox/procps/kill.c
1999-10-05 16:24:54 +00:00

141 lines
2.7 KiB
C

#include "internal.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
const char kill_usage[] = "kill [-signal] process-id [process-id ...]\n";
struct signal_name {
const char * name;
int number;
};
const struct signal_name signames[] = {
{ "HUP", SIGHUP },
{ "INT", SIGINT },
{ "QUIT", SIGQUIT },
{ "ILL", SIGILL },
{ "TRAP", SIGTRAP },
{ "ABRT", SIGABRT },
#ifndef __alpha__
{ "IOT", SIGIOT },
#endif
#if defined(sparc) || defined(__alpha__)
{ "EMT", SIGEMT },
#else
{ "BUS", SIGBUS },
#endif
{ "FPE", SIGFPE },
{ "KILL", SIGKILL },
#if defined(sparc) || defined(__alpha__)
{ "BUS", SIGBUS },
#else
{ "USR1", SIGUSR1 },
#endif
{ "SEGV", SIGSEGV },
#if defined(sparc) || defined(__alpha__)
{ "SYS", SIGSYS },
#else
{ "USR2", SIGUSR2 },
#endif
{ "PIPE", SIGPIPE },
{ "ALRM", SIGALRM },
{ "TERM", SIGTERM },
#if defined(sparc) || defined(__alpha__)
{ "URG", SIGURG },
{ "STOP", SIGSTOP },
{ "TSTP", SIGTSTP },
{ "CONT", SIGCONT },
{ "CHLD", SIGCHLD },
{ "TTIN", SIGTTIN },
{ "TTOU", SIGTTOU },
{ "IO", SIGIO },
# ifndef __alpha__
{ "POLL", SIGIO },
# endif
{ "XCPU", SIGXCPU },
{ "XFSZ", SIGXFSZ },
{ "VTALRM", SIGVTALRM },
{ "PROF", SIGPROF },
{ "WINCH", SIGWINCH },
# ifdef __alpha__
{ "INFO", SIGINFO },
# else
{ "LOST", SIGLOST },
# endif
{ "USR1", SIGUSR1 },
{ "USR2", SIGUSR2 },
#else
{ "STKFLT", SIGSTKFLT },
{ "CHLD", SIGCHLD },
{ "CONT", SIGCONT },
{ "STOP", SIGSTOP },
{ "TSTP", SIGTSTP },
{ "TTIN", SIGTTIN },
{ "TTOU", SIGTTOU },
{ "URG", SIGURG },
{ "XCPU", SIGXCPU },
{ "XFSZ", SIGXFSZ },
{ "VTALRM", SIGVTALRM },
{ "PROF", SIGPROF },
{ "WINCH", SIGWINCH },
{ "IO", SIGIO },
{ "POLL", SIGPOLL },
{ "PWR", SIGPWR },
{ "UNUSED", SIGUNUSED },
#endif
{ 0, 0 }
};
extern int
kill_main(struct FileInfo * i, int argc, char * * argv)
{
int had_error = 0;
int sig = SIGTERM;
if ( argv[1][0] == '-' ) {
if ( argv[1][1] >= '0' && argv[1][1] <= '9' ) {
sig = atoi(&argv[1][1]);
if ( sig < 0 || sig >= NSIG ) {
usage(kill_usage);
exit(-1);
}
}
else {
const struct signal_name * s = signames;
for ( ; ; ) {
if ( strcmp(s->name, &argv[1][1]) == 0 ) {
sig = s->number;
break;
}
s++;
if ( s->name == 0 ) {
usage(kill_usage);
exit(-1);
}
}
}
argv++;
argc--;
}
while ( argc > 1 ) {
int pid;
if ( argv[1][0] < '0' || argv[1][0] > '9' ) {
usage(kill_usage);
exit(-1);
}
pid = atoi(argv[1]);
if ( kill(pid, sig) != 0 ) {
had_error = 1;
perror(argv[1]);
}
argv++;
argc--;
}
if ( had_error )
return -1;
else
return 0;
}