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kernel/linux-imx6_3.14.28/include/uapi/asm-generic/signal.h 2.58 KB
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  #ifndef _UAPI__ASM_GENERIC_SIGNAL_H
  #define _UAPI__ASM_GENERIC_SIGNAL_H
  
  #include <linux/types.h>
  
  #define _NSIG		64
  #define _NSIG_BPW	__BITS_PER_LONG
  #define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
  
  #define SIGHUP		 1
  #define SIGINT		 2
  #define SIGQUIT		 3
  #define SIGILL		 4
  #define SIGTRAP		 5
  #define SIGABRT		 6
  #define SIGIOT		 6
  #define SIGBUS		 7
  #define SIGFPE		 8
  #define SIGKILL		 9
  #define SIGUSR1		10
  #define SIGSEGV		11
  #define SIGUSR2		12
  #define SIGPIPE		13
  #define SIGALRM		14
  #define SIGTERM		15
  #define SIGSTKFLT	16
  #define SIGCHLD		17
  #define SIGCONT		18
  #define SIGSTOP		19
  #define SIGTSTP		20
  #define SIGTTIN		21
  #define SIGTTOU		22
  #define SIGURG		23
  #define SIGXCPU		24
  #define SIGXFSZ		25
  #define SIGVTALRM	26
  #define SIGPROF		27
  #define SIGWINCH	28
  #define SIGIO		29
  #define SIGPOLL		SIGIO
  /*
  #define SIGLOST		29
  */
  #define SIGPWR		30
  #define SIGSYS		31
  #define	SIGUNUSED	31
  
  /* These should not be considered constants from userland.  */
  #define SIGRTMIN	32
  #ifndef SIGRTMAX
  #define SIGRTMAX	_NSIG
  #endif
  
  /*
   * SA_FLAGS values:
   *
   * SA_ONSTACK indicates that a registered stack_t will be used.
   * SA_RESTART flag to get restarting signals (which were the default long ago)
   * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
   * SA_RESETHAND clears the handler when the signal is delivered.
   * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
   * SA_NODEFER prevents the current signal from being masked in the handler.
   *
   * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
   * Unix names RESETHAND and NODEFER respectively.
   */
  #define SA_NOCLDSTOP	0x00000001
  #define SA_NOCLDWAIT	0x00000002
  #define SA_SIGINFO	0x00000004
  #define SA_ONSTACK	0x08000000
  #define SA_RESTART	0x10000000
  #define SA_NODEFER	0x40000000
  #define SA_RESETHAND	0x80000000
  
  #define SA_NOMASK	SA_NODEFER
  #define SA_ONESHOT	SA_RESETHAND
  
  /*
   * New architectures should not define the obsolete
   *	SA_RESTORER	0x04000000
   */
  
  #define MINSIGSTKSZ	2048
  #define SIGSTKSZ	8192
  
  #ifndef __ASSEMBLY__
  typedef struct {
  	unsigned long sig[_NSIG_WORDS];
  } sigset_t;
  
  /* not actually used, but required for linux/syscalls.h */
  typedef unsigned long old_sigset_t;
  
  #include <asm-generic/signal-defs.h>
  
  #ifdef SA_RESTORER
  #define __ARCH_HAS_SA_RESTORER
  #endif
  
  #ifndef __KERNEL__
  struct sigaction {
  	__sighandler_t sa_handler;
  	unsigned long sa_flags;
  #ifdef SA_RESTORER
  	__sigrestore_t sa_restorer;
  #endif
  	sigset_t sa_mask;		/* mask last for extensibility */
  };
  #endif
  
  typedef struct sigaltstack {
  	void __user *ss_sp;
  	int ss_flags;
  	size_t ss_size;
  } stack_t;
  
  #endif /* __ASSEMBLY__ */
  
  #endif /* _UAPI__ASM_GENERIC_SIGNAL_H */