| 1 | #include <linux/signal.h> |
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| 2 | |
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| 3 | #define SIGUNKNOWN 0 |
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| 4 | #define MAXMAPPED_SIG 35 |
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| 5 | #define MAXMAPPED_SIGNAME (MAXMAPPED_SIG + 1) |
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| 6 | #define SIGRT_BASE 128 |
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| 7 | |
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| 8 | /* provide a mapping of arch signal to internal signal # for mediation |
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| 9 | * those that are always an alias SIGCLD for SIGCLHD and SIGPOLL for SIGIO |
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| 10 | * map to the same entry those that may/or may not get a separate entry |
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| 11 | */ |
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| 12 | static const int sig_map[MAXMAPPED_SIG] = { |
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| 13 | [0] = MAXMAPPED_SIG, /* existence test */ |
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| 14 | [SIGHUP] = 1, |
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| 15 | [SIGINT] = 2, |
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| 16 | [SIGQUIT] = 3, |
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| 17 | [SIGILL] = 4, |
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| 18 | [SIGTRAP] = 5, /* -, 5, - */ |
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| 19 | [SIGABRT] = 6, /* SIGIOT: -, 6, - */ |
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| 20 | [SIGBUS] = 7, /* 10, 7, 10 */ |
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| 21 | [SIGFPE] = 8, |
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| 22 | [SIGKILL] = 9, |
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| 23 | [SIGUSR1] = 10, /* 30, 10, 16 */ |
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| 24 | [SIGSEGV] = 11, |
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| 25 | [SIGUSR2] = 12, /* 31, 12, 17 */ |
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| 26 | [SIGPIPE] = 13, |
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| 27 | [SIGALRM] = 14, |
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| 28 | [SIGTERM] = 15, |
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| 29 | #ifdef SIGSTKFLT |
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| 30 | [SIGSTKFLT] = 16, /* -, 16, - */ |
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| 31 | #endif |
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| 32 | [SIGCHLD] = 17, /* 20, 17, 18. SIGCHLD -, -, 18 */ |
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| 33 | [SIGCONT] = 18, /* 19, 18, 25 */ |
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| 34 | [SIGSTOP] = 19, /* 17, 19, 23 */ |
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| 35 | [SIGTSTP] = 20, /* 18, 20, 24 */ |
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| 36 | [SIGTTIN] = 21, /* 21, 21, 26 */ |
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| 37 | [SIGTTOU] = 22, /* 22, 22, 27 */ |
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| 38 | [SIGURG] = 23, /* 16, 23, 21 */ |
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| 39 | [SIGXCPU] = 24, /* 24, 24, 30 */ |
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| 40 | [SIGXFSZ] = 25, /* 25, 25, 31 */ |
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| 41 | [SIGVTALRM] = 26, /* 26, 26, 28 */ |
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| 42 | [SIGPROF] = 27, /* 27, 27, 29 */ |
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| 43 | [SIGWINCH] = 28, /* 28, 28, 20 */ |
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| 44 | [SIGIO] = 29, /* SIGPOLL: 23, 29, 22 */ |
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| 45 | [SIGPWR] = 30, /* 29, 30, 19. SIGINFO 29, -, - */ |
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| 46 | #ifdef SIGSYS |
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| 47 | [SIGSYS] = 31, /* 12, 31, 12. often SIG LOST/UNUSED */ |
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| 48 | #endif |
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| 49 | #ifdef SIGEMT |
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| 50 | [SIGEMT] = 32, /* 7, - , 7 */ |
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| 51 | #endif |
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| 52 | #if defined(SIGLOST) && SIGPWR != SIGLOST /* sparc */ |
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| 53 | [SIGLOST] = 33, /* unused on Linux */ |
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| 54 | #endif |
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| 55 | #if defined(SIGUNUSED) && \ |
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| 56 | defined(SIGLOST) && defined(SIGSYS) && SIGLOST != SIGSYS |
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| 57 | [SIGUNUSED] = 34, /* -, 31, - */ |
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| 58 | #endif |
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| 59 | }; |
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| 60 | |
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| 61 | /* this table is ordered post sig_map[sig] mapping */ |
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| 62 | static const char *const sig_names[MAXMAPPED_SIGNAME] = { |
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| 63 | "unknown" , |
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| 64 | "hup" , |
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| 65 | "int" , |
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| 66 | "quit" , |
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| 67 | "ill" , |
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| 68 | "trap" , |
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| 69 | "abrt" , |
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| 70 | "bus" , |
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| 71 | "fpe" , |
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| 72 | "kill" , |
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| 73 | "usr1" , |
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| 74 | "segv" , |
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| 75 | "usr2" , |
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| 76 | "pipe" , |
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| 77 | "alrm" , |
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| 78 | "term" , |
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| 79 | "stkflt" , |
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| 80 | "chld" , |
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| 81 | "cont" , |
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| 82 | "stop" , |
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| 83 | "stp" , |
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| 84 | "ttin" , |
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| 85 | "ttou" , |
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| 86 | "urg" , |
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| 87 | "xcpu" , |
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| 88 | "xfsz" , |
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| 89 | "vtalrm" , |
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| 90 | "prof" , |
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| 91 | "winch" , |
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| 92 | "io" , |
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| 93 | "pwr" , |
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| 94 | "sys" , |
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| 95 | "emt" , |
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| 96 | "lost" , |
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| 97 | "unused" , |
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| 98 | |
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| 99 | "exists" , /* always last existence test mapped to MAXMAPPED_SIG */ |
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| 100 | }; |
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| 101 | |
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| 102 | |
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