| 0,0 → 1,97 |
|---|
| /* Copyright (C) 1998 DJ Delorie, see COPYING.DJ for details */ |
| /* Copyright (C) 1997 DJ Delorie, see COPYING.DJ for details */ |
| |
| #include <signal.h> |
| #include <string.h> |
| #include <stdlib.h> |
| |
| char *sys_siglist[NSIG + 1]; /* initially all-zero */ |
| |
| static const char *known_signal[] = { |
| "Abort termination", |
| "Floating-point exception", |
| "Illegal instruction", |
| "Segmentation violation", |
| "Software termination signal", |
| "Alarm clock", |
| "Hangup", |
| "Interrupt", |
| "Kill", |
| "Write on pipe with no one to read it", |
| "Quit", |
| "User-defined signal 1", |
| "User-defined signal 2", |
| "Floating-point co-processor not present", |
| "Debugger/Breakpoint instruction", |
| "Timer tick signal", |
| "Profiler signal" |
| }; |
| |
| static char unknown_signal[] = "Unknown signal"; |
| |
| static void |
| put_hex_digits (char *str, int num, size_t idx) |
| { |
| static char xdigits[] = "0123456789ABCDEF"; |
| |
| str[idx] = xdigits[num / 16]; |
| str[idx + 1] = xdigits[num & 15]; |
| } |
| |
| static char * |
| xstrdup (const char *src) |
| { |
| if (src) |
| { |
| size_t src_size = strlen (src) + 1; |
| char *new = (char *)malloc (src_size); |
| |
| if (new) |
| { |
| memcpy (new, src, src_size); |
| return new; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| static int signum; |
| |
| static void |
| fill_dull_names (const char *template, size_t tpl_size, int count) |
| { |
| int i; |
| |
| for (i = 0; i < count; i++) |
| { |
| char *signame = (char *)malloc (tpl_size); |
| |
| memcpy (signame, template, tpl_size); |
| put_hex_digits (signame, i, tpl_size - 3); |
| sys_siglist[signum++] = signame; |
| } |
| } |
| |
| static void __attribute__((constructor)) |
| init_sys_siglist (void) |
| { |
| static char int_name[] = "Interrupt XXh"; |
| static size_t int_size = sizeof(int_name); |
| static char excpt_name[] = "Exception XXh"; |
| static size_t excpt_size = sizeof(excpt_name); |
| int i; |
| |
| signum = 0; |
| |
| fill_dull_names (int_name, int_size, 256); |
| fill_dull_names (excpt_name, excpt_size, 32); |
| |
| for (i = 0; i < 17; i++) |
| sys_siglist[signum++] = xstrdup (known_signal[i]); |
| |
| for (i = 305; i < 320; i++) |
| sys_siglist[signum++] = xstrdup (unknown_signal); |
| |
| sys_siglist[signum] = 0; |
| } |