Subversion Repositories planix.SVN

#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>

#define NSIG SIGUSR2

char *signm[NSIG+1] = { 0,
"SIGHUP", "SIGINT", "SIGQUIT", "SIGILL", "SIGABRT", "SIGFPE", "SIGKILL", /* 1-7 */
"SIGSEGV", "SIGPIPE", "SIGALRM", "SIGTERM", "SIGUR1", "SIGUSR2", /* 8-13 */
};

main(int argc, char **argv)
{
        int signo, pid, res;
        int errlev;

        errlev = 0;
        if (argc <= 1) {
        usage:
                fprintf(stderr, "usage: kill [ -sig ] pid ...\n");
                fprintf(stderr, "for a list of signals: kill -l\n");
                exit(2);
        }
        if (*argv[1] == '-') {
                if (argv[1][1] == 'l') {
                        int i = 0;
                        for (signo = 1; signo <= NSIG; signo++)
                                if (signm[signo]) {
                                        printf("%s ", signm[signo]);
                                        if (++i%8 == 0)
                                                printf("\n");
                                }
                        if(i%8 !=0)
                                printf("\n");
                        exit(0);
                } else if (isdigit(argv[1][1])) {
                        signo = atoi(argv[1]+1);
                        if (signo < 0 || signo > NSIG) {
                                fprintf(stderr, "kill: %s: number out of range\n",
                                    argv[1]);
                                exit(1);
                        }
                } else {
                        char *name = argv[1]+1;
                        for (signo = 1; signo <= NSIG; signo++)
                                if (signm[signo] && (
                                    !strcmp(signm[signo], name)||
                                    !strcmp(signm[signo]+3, name)))
                                        goto foundsig;
                        fprintf(stderr, "kill: %s: unknown signal; kill -l lists signals\n", name);
                        exit(1);
foundsig:
                        ;
                }
                argc--;
                argv++;
        } else
                signo = SIGTERM;
        argv++;
        while (argc > 1) {
                if ((**argv<'0' || **argv>'9') && **argv!='-')
                        goto usage;
                res = kill(pid = atoi(*argv), signo);
                if (res<0) {
                        perror("kill");
                }
                argc--;
                argv++;
        }
        return(errlev);
}