diff options
Diffstat (limited to 'bin/kill/kill.c')
| -rw-r--r-- | bin/kill/kill.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/bin/kill/kill.c b/bin/kill/kill.c new file mode 100644 index 000000000000..00daeafd54dd --- /dev/null +++ b/bin/kill/kill.c @@ -0,0 +1,144 @@ +/* + * Copyright (c) 1988, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char copyright[] = +"@(#) Copyright (c) 1988, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)kill.c 8.3 (Berkeley) 4/2/94"; +#endif /* not lint */ + +#include <ctype.h> +#include <err.h> +#include <errno.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +void nosig __P((char *)); +void printsig __P((FILE *)); +void usage __P((void)); + +int +main(argc, argv) + int argc; + char *argv[]; +{ + const char *const *p; + int errors, numsig, pid; + char *ep; + + if (argc < 2) + usage(); + + if (!strcmp(*++argv, "-l")) { + printsig(stdout); + exit(0); + } + + numsig = SIGTERM; + if (**argv == '-') { + ++*argv; + if (isalpha(**argv)) { + if (!strncasecmp(*argv, "sig", 3)) + *argv += 3; + for (numsig = NSIG, p = sys_signame + 1; --numsig; ++p) + if (!strcasecmp(*p, *argv)) { + numsig = p - sys_signame; + break; + } + if (!numsig) + nosig(*argv); + } else if (isdigit(**argv)) { + numsig = strtol(*argv, &ep, 10); + if (!*argv || *ep) + errx(1, "illegal signal number: %s", *argv); + if (numsig <= 0 || numsig > NSIG) + nosig(*argv); + } else + nosig(*argv); + ++argv; + } + + if (!*argv) + usage(); + + for (errors = 0; *argv; ++argv) { + pid = strtol(*argv, &ep, 10); + if (!*argv || *ep) { + warnx("illegal process id: %s", *argv); + errors = 1; + } else if (kill(pid, numsig) == -1) { + warn("%s", *argv); + errors = 1; + } + } + exit(errors); +} + +void +nosig(name) + char *name; +{ + + warnx("unknown signal %s; valid signals:", name); + printsig(stderr); + exit(1); +} + +void +printsig(fp) + FILE *fp; +{ + const char *const *p; + int cnt; + + for (cnt = NSIG, p = sys_signame + 1; --cnt; ++p) { + (void)fprintf(fp, "%s ", *p); + if (cnt == NSIG / 2) + (void)fprintf(fp, "\n"); + } + (void)fprintf(fp, "\n"); +} + +void +usage() +{ + + (void)fprintf(stderr, "usage: kill [-l] [-sig] pid ...\n"); + exit(1); +} |