librt/timer_delete.c

   1 /*
   2  * timer_delete.c - delete a per-process timer.
   3  */
   4
   5 #include <errno.h>
   6 #include <stdlib.h>
   7 #include <time.h>
   8 #include <sys/syscall.h>
   9
  10 #include "kernel-posix-timers.h"
  11
  12 #ifdef __NR_timer_delete
  13
  14 #define __NR___syscall_timer_delete __NR_timer_delete
  15 static __inline__ _syscall1(int, __syscall_timer_delete, kernel_timer_t, ktimerid);
  16
  17 /* Delete a per-process timer */
  18 int timer_delete(timer_t timerid)
  19 {
  20         int res;
  21         struct timer *kt = (struct timer *)timerid;
  22
  23         /* Delete the kernel timer object */
  24         res = __syscall_timer_delete(kt->ktimerid);
  25         if (res == 0) {
  26                 free(kt);       /* Free the memory */
  27                 return 0;
  28         }
  29
  30         return -1;
  31 }
  32
  33 #endif