librt/kernel-posix-timers.h

   1 /*
   2  * kernel-posix-timers.h - kernel-dependent definitions for POSIX timers.
   3  */
   4
   5 #include <features.h>
   6 #include <setjmp.h>
   7 #include <signal.h>
   8 #include <sys/types.h>
   9 #ifdef __UCLIBC_HAS_THREADS__
  10 #include <pthread.h>
  11 #endif
  12
  13 /* Type of timers in the kernel */
  14 typedef int kernel_timer_t;
  15
  16 /* Internal representation of timer */
  17 struct timer {
  18     /* Notification mechanism */
  19     int sigev_notify;
  20
  21     /* Timer ID returned by the kernel */
  22     kernel_timer_t ktimerid;
  23
  24     /*
  25      * All new elements must be added after ktimerid. And if the thrfunc
  26      * element is not the third element anymore the memory allocation in
  27      * timer_create needs to be changed.
  28      */
  29
  30     /* Parameters for the thread to be started for SIGEV_THREAD */
  31     void (*thrfunc) (sigval_t);
  32     sigval_t sival;
  33 #ifdef __UCLIBC_HAS_THREADS__
  34     pthread_attr_t attr;
  35 #endif
  36 };