cregit-Linux how code gets into the kernel

Release 4.12 include/uapi/asm-generic/signal.h

#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
 */

#if !defined MINSIGSTKSZ || !defined SIGSTKSZ

#define MINSIGSTKSZ	2048

#define SIGSTKSZ	8192
#endif

#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 */

Overall Contributors

PersonTokensPropCommitsCommitProp
David Howells29192.38%133.33%
Al Viro134.13%133.33%
Manjeet Pawar113.49%133.33%
Total315100.00%3100.00%
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