Usermode/Libraries/libc.so_src/signals.c

   1 /*
   2  * AcessOS Basic C Library
   3  * signals.c
   4 */
   5 //#include <acess/sys.h>
   6 #include <stdlib.h>
   7 #include <signal.h>
   8 #include "lib.h"
   9
  10 // === CONSTANTS ===
  11 #define NUM_SIGNALS     32
  12
  13 // === GLOBALS ===
  14 sighandler_t    sighandlers[NUM_SIGNALS];
  15
  16 // === CODE ===
  17 sighandler_t signal(int num, sighandler_t handler)
  18 {
  19         sighandler_t    prev;
  20         if(num < 0 || num >= NUM_SIGNALS)       return NULL;
  21         prev = sighandlers[num];
  22         sighandlers[num] = handler;
  23         return prev;
  24 }
  25
  26 int raise(int signal)
  27 {
  28         if( signal < 0 || signal > NUM_SIGNALS )
  29                 return 1;
  30         switch(signal)
  31         {
  32         case SIGABRT:
  33                 abort();
  34                 break;
  35         }
  36         return 0;
  37 }
  38
  39 void abort(void)
  40 {
  41         // raise(SIGABRT);
  42         _exit(-1);
  43 }