include/linux/signal_types.h

   1 #ifndef _LINUX_SIGNAL_TYPES_H
   2 #define _LINUX_SIGNAL_TYPES_H
   3
   4 /*
   5  * Basic signal handling related data type definitions:
   6  */
   7
   8 #include <linux/list.h>
   9 #include <uapi/linux/signal.h>
  10
  11 /*
  12  * Real Time signals may be queued.
  13  */
  14
  15 struct sigqueue {
  16         struct list_head list;
  17         int flags;
  18         siginfo_t info;
  19         struct user_struct *user;
  20 };
  21
  22 /* flags values. */
  23 #define SIGQUEUE_PREALLOC       1
  24
  25 struct sigpending {
  26         struct list_head list;
  27         sigset_t signal;
  28 };
  29
  30 struct sigaction {
  31 #ifndef __ARCH_HAS_IRIX_SIGACTION
  32         __sighandler_t  sa_handler;
  33         unsigned long   sa_flags;
  34 #else
  35         unsigned int    sa_flags;
  36         __sighandler_t  sa_handler;
  37 #endif
  38 #ifdef __ARCH_HAS_SA_RESTORER
  39         __sigrestore_t sa_restorer;
  40 #endif
  41         sigset_t        sa_mask;        /* mask last for extensibility */
  42 };
  43
  44 struct k_sigaction {
  45         struct sigaction sa;
  46 #ifdef __ARCH_HAS_KA_RESTORER
  47         __sigrestore_t ka_restorer;
  48 #endif
  49 };
  50
  51 #ifdef CONFIG_OLD_SIGACTION
  52 struct old_sigaction {
  53         __sighandler_t sa_handler;
  54         old_sigset_t sa_mask;
  55         unsigned long sa_flags;
  56         __sigrestore_t sa_restorer;
  57 };
  58 #endif
  59
  60 struct ksignal {
  61         struct k_sigaction ka;
  62         siginfo_t info;
  63         int sig;
  64 };
  65
  66 #endif /* _LINUX_SIGNAL_TYPES_H */