lib/posix/__exit.c

   1 #define _exit   __exit
   2 #include <lib.h>
   3 #include <unistd.h>
   4
   5 PUBLIC void _exit(status)
   6 int status;
   7 {
   8   void (*suicide)(void);
   9   message m;
  10
  11   m.m1_i1 = status;
  12   _syscall(MM, EXIT, &m);
  13
  14   /* If exiting nicely through PM fails for some reason, try to
  15    * commit suicide. E.g., message to PM might fail due to deadlock.
  16    */
  17   suicide = (void (*)(void)) -1;
  18   suicide();
  19
  20   /* If committing suicide fails for some reason, hang. */
  21   for(;;) { }
  22 }
  23