The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <errno.h> |
| 4 | |
| 5 | #include <sys/types.h> |
| 6 | #include <signal.h> |
| 7 | |
Kenny Root | a64adba | 2012-04-05 15:23:20 -0700 | [diff] [blame^] | 8 | static struct { |
| 9 | unsigned int number; |
| 10 | char *name; |
| 11 | } signals[] = { |
| 12 | #define _SIG(name) {SIG##name, #name} |
| 13 | /* Single Unix Specification signals */ |
| 14 | _SIG(ABRT), |
| 15 | _SIG(ALRM), |
| 16 | _SIG(FPE), |
| 17 | _SIG(HUP), |
| 18 | _SIG(ILL), |
| 19 | _SIG(INT), |
| 20 | _SIG(KILL), |
| 21 | _SIG(PIPE), |
| 22 | _SIG(QUIT), |
| 23 | _SIG(SEGV), |
| 24 | _SIG(TERM), |
| 25 | _SIG(USR1), |
| 26 | _SIG(USR2), |
| 27 | _SIG(CHLD), |
| 28 | _SIG(CONT), |
| 29 | _SIG(STOP), |
| 30 | _SIG(TSTP), |
| 31 | _SIG(TTIN), |
| 32 | _SIG(TTOU), |
| 33 | _SIG(BUS), |
| 34 | _SIG(POLL), |
| 35 | _SIG(PROF), |
| 36 | _SIG(SYS), |
| 37 | _SIG(TRAP), |
| 38 | _SIG(URG), |
| 39 | _SIG(VTALRM), |
| 40 | _SIG(XCPU), |
| 41 | _SIG(XFSZ), |
| 42 | /* non-SUS signals */ |
| 43 | _SIG(IO), |
| 44 | _SIG(PWR), |
| 45 | _SIG(STKFLT), |
| 46 | _SIG(WINCH), |
| 47 | #undef _SIG |
| 48 | }; |
| 49 | |
| 50 | /* To indicate a matching signal was not found */ |
| 51 | static const unsigned int SENTINEL = (unsigned int) -1; |
| 52 | |
| 53 | void list_signals() |
| 54 | { |
| 55 | unsigned int sorted_signals[_NSIG]; |
| 56 | unsigned int i; |
| 57 | unsigned int num; |
| 58 | |
| 59 | memset(sorted_signals, SENTINEL, sizeof(sorted_signals)); |
| 60 | |
| 61 | // Sort the signals |
| 62 | for (i = 0; i < sizeof(signals)/sizeof(signals[0]); i++) { |
| 63 | sorted_signals[signals[i].number] = i; |
| 64 | } |
| 65 | |
| 66 | num = 0; |
| 67 | for (i = 1; i < _NSIG; i++) { |
| 68 | unsigned int index = sorted_signals[i]; |
| 69 | if (index == SENTINEL) { |
| 70 | continue; |
| 71 | } |
| 72 | |
| 73 | fprintf(stderr, "%2d) SIG%-9s ", i, signals[index].name); |
| 74 | |
| 75 | if ((num++ % 4) == 3) { |
| 76 | fprintf(stderr, "\n"); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | if ((num % 4) == 3) { |
| 81 | fprintf(stderr, "\n"); |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | unsigned int name_to_signal(const char* name) |
| 86 | { |
| 87 | unsigned int i; |
| 88 | |
| 89 | for (i = 1; i < sizeof(signals) / sizeof(signals[0]); i++) { |
| 90 | if (!strcasecmp(name, signals[i].name)) { |
| 91 | return signals[i].number; |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | return SENTINEL; |
| 96 | } |
| 97 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 98 | int kill_main(int argc, char **argv) |
| 99 | { |
Kenny Root | a64adba | 2012-04-05 15:23:20 -0700 | [diff] [blame^] | 100 | unsigned int sig = SIGTERM; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 101 | int result = 0; |
Kenny Root | a64adba | 2012-04-05 15:23:20 -0700 | [diff] [blame^] | 102 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 103 | argc--; |
| 104 | argv++; |
| 105 | |
Kenny Root | a64adba | 2012-04-05 15:23:20 -0700 | [diff] [blame^] | 106 | if (argc >= 1 && argv[0][0] == '-') { |
| 107 | char *endptr; |
| 108 | size_t arg_len = strlen(argv[0]); |
| 109 | if (arg_len < 2) { |
| 110 | fprintf(stderr, "invalid argument: -\n"); |
| 111 | return -1; |
| 112 | } |
| 113 | |
| 114 | char* arg = argv[0] + 1; |
| 115 | if (arg_len == 2 && *arg == 'l') { |
| 116 | list_signals(); |
| 117 | return 0; |
| 118 | } |
| 119 | |
| 120 | sig = strtol(arg, &endptr, 10); |
| 121 | if (*endptr != '\0') { |
| 122 | sig = name_to_signal(arg); |
| 123 | if (sig == SENTINEL) { |
| 124 | fprintf(stderr, "invalid signal name: %s\n", arg); |
| 125 | return -1; |
| 126 | } |
| 127 | } |
| 128 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 129 | argc--; |
| 130 | argv++; |
| 131 | } |
| 132 | |
| 133 | while(argc > 0){ |
| 134 | int pid = atoi(argv[0]); |
| 135 | int err = kill(pid, sig); |
| 136 | if (err < 0) { |
| 137 | result = err; |
| 138 | fprintf(stderr, "could not kill pid %d: %s\n", pid, strerror(errno)); |
| 139 | } |
Kenny Root | a64adba | 2012-04-05 15:23:20 -0700 | [diff] [blame^] | 140 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 141 | argc--; |
| 142 | argv++; |
| 143 | } |
Kenny Root | a64adba | 2012-04-05 15:23:20 -0700 | [diff] [blame^] | 144 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 145 | return result; |
| 146 | } |