sysdeps/unix/sysv/linux/kernel_sigaction.h

   1 #ifndef _KERNEL_SIGACTION_H
   2 # define _KERNEL_SIGACTION_H
   3
   4 #ifdef SA_RESTORER
   5 # define HAS_SA_RESTORER 1
   6 #endif
   7
   8 /* This is the sigaction structure from the Linux 3.2 kernel.  */
   9 struct kernel_sigaction
  10 {
  11   __sighandler_t k_sa_handler;
  12   unsigned long sa_flags;
  13 #ifdef HAS_SA_RESTORER
  14   void (*sa_restorer) (void);
  15 #endif
  16   /* glibc sigset is larger than kernel expected one, however sigaction
  17      passes the kernel expected size on rt_sigaction syscall.  */
  18   sigset_t sa_mask;
  19 };
  20
  21 #ifndef SET_SA_RESTORER
  22 # define SET_SA_RESTORER(kact, act)
  23 #endif
  24 #ifndef RESET_SA_RESTORER
  25 # define RESET_SA_RESTORER(act, kact)
  26 #endif
  27
  28 #endif