LXR linux/security/apparmor/include/sig

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