| 1 | /* |
| 2 | * kill - send signal to process |
| 3 | */ |
| 4 | |
| 5 | #include <signal.h> |
| 6 | |
| 7 | main(argc, argv) |
| 8 | char **argv; |
| 9 | { |
| 10 | register signo, pid, res; |
| 11 | int errlev; |
| 12 | extern char *sys_errlist[]; |
| 13 | extern errno; |
| 14 | |
| 15 | errlev = 0; |
| 16 | if (argc <= 1) { |
| 17 | usage: |
| 18 | printf("usage: kill [ -signo ] pid ...\n"); |
| 19 | exit(2); |
| 20 | } |
| 21 | if (*argv[1] == '-') { |
| 22 | signo = atoi(argv[1]+1); |
| 23 | argc--; |
| 24 | argv++; |
| 25 | } else |
| 26 | signo = SIGTERM; |
| 27 | argv++; |
| 28 | while (argc > 1) { |
| 29 | if (**argv<'0' || **argv>'9') |
| 30 | goto usage; |
| 31 | res = kill(pid = atoi(*argv), signo); |
| 32 | if (res<0) { |
| 33 | printf("%u: %s\n", pid, sys_errlist[errno]); |
| 34 | errlev = 1; |
| 35 | } |
| 36 | argc--; |
| 37 | argv++; |
| 38 | } |
| 39 | return(errlev); |
| 40 | } |