#include <signal.h> #include <string.h> #if (SIGHUP == 1) && (SIGINT == 2) && (SIGQUIT == 3) && (SIGILL == 4) \ && (SIGTRAP == 5) && (SIGABRT == 6) && (SIGBUS == 7) && (SIGFPE == 8) \ && (SIGKILL == 9) && (SIGUSR1 == 10) && (SIGSEGV == 11) && (SIGUSR2 == 12) \ && (SIGPIPE == 13) && (SIGALRM == 14) && (SIGTERM == 15) && (SIGSTKFLT == 16) \ && (SIGCHLD == 17) && (SIGCONT == 18) && (SIGSTOP == 19) && (SIGTSTP == 20) \ && (SIGTTIN == 21) && (SIGTTOU == 22) && (SIGURG == 23) && (SIGXCPU == 24) \ && (SIGXFSZ == 25) && (SIGVTALRM == 26) && (SIGPROF == 27) && (SIGWINCH == 28) \ && (SIGPOLL == 29) && (SIGPWR == 30) && (SIGSYS == 31) #define sigmap(x) x #else static const char map[] = { [SIGHUP] = 1, [SIGINT] = 2, [SIGQUIT] = 3, [SIGILL] = 4, [SIGTRAP] = 5, [SIGABRT] = 6, [SIGBUS] = 7, [SIGFPE] = 8, [SIGKILL] = 9, [SIGUSR1] = 10, [SIGSEGV] = 11, [SIGUSR2] = 12, [SIGPIPE] = 13, [SIGALRM] = 14, [SIGTERM] = 15, #if defined(SIGSTKFLT) [SIGSTKFLT] = 16, #elif defined(SIGEMT) [SIGEMT] = 16, #endif [SIGCHLD] = 17, [SIGCONT] = 18, [SIGSTOP] = 19, [SIGTSTP] = 20, [SIGTTIN] = 21, [SIGTTOU] = 22, [SIGURG] = 23, [SIGXCPU] = 24, [SIGXFSZ] = 25, [SIGVTALRM] = 26, [SIGPROF] = 27, [SIGWINCH] = 28, [SIGPOLL] = 29, [SIGPWR] = 30, [SIGSYS] = 31 }; #define sigmap(x) ((x) >= sizeof map ? (x) : map[(x)]) #endif static const char strings[] = "Unknown signal\0" "Hangup\0" "Interrupt\0" "Quit\0" "Illegal instruction\0" "Trace/breakpoint trap\0" "Aborted\0" "Bus error\0" "Arithmetic exception\0" "Killed\0" "User defined signal 1\0" "Segmentation fault\0" "User defined signal 2\0" "Broken pipe\0" "Alarm clock\0" "Terminated\0" #if defined(SIGSTKFLT) "Stack fault\0" #elif defined(SIGEMT) "Emulator trap\0" #else "Unknown signal\0" #endif "Child process status\0" "Continued\0" "Stopped (signal)\0" "Stopped\0" "Stopped (tty input)\0" "Stopped (tty output)\0" "Urgent I/O condition\0" "CPU time limit exceeded\0" "File size limit exceeded\0" "Virtual timer expired\0" "Profiling timer expired\0" "Window changed\0" "I/O possible\0" "Power failure\0" "Bad system call\0" "RT32" "\0RT33\0RT34\0RT35\0RT36\0RT37\0RT38\0RT39\0RT40" "\0RT41\0RT42\0RT43\0RT44\0RT45\0RT46\0RT47\0RT48" "\0RT49\0RT50\0RT51\0RT52\0RT53\0RT54\0RT55\0RT56" "\0RT57\0RT58\0RT59\0RT60\0RT61\0RT62\0RT63\0RT64" #if _NSIG > 65 "\0RT65\0RT66\0RT67\0RT68\0RT69\0RT70\0RT71\0RT72" "\0RT73\0RT74\0RT75\0RT76\0RT77\0RT78\0RT79\0RT80" "\0RT81\0RT82\0RT83\0RT84\0RT85\0RT86\0RT87\0RT88" "\0RT89\0RT90\0RT91\0RT92\0RT93\0RT94\0RT95\0RT96" "\0RT97\0RT98\0RT99\0RT100\0RT101\0RT102\0RT103\0RT104" "\0RT105\0RT106\0RT107\0RT108\0RT109\0RT110\0RT111\0RT112" "\0RT113\0RT114\0RT115\0RT116\0RT117\0RT118\0RT119\0RT120" "\0RT121\0RT122\0RT123\0RT124\0RT125\0RT126\0RT127\0RT128" #endif ""; char *strsignal(int signum) { const char *s = strings; signum = sigmap(signum); if (signum - 1U >= _NSIG-1) signum = 0; for (; signum--; s++) for (; *s; s++); return (char *)s; }