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