cregit-Linux how code gets into the kernel

Release 4.14 arch/ia64/include/uapi/asm/signal.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Modified 1998-2001, 2003
 *      David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
 *
 * Unfortunately, this file is being included by bits/signal.h in
 * glibc-2.x.  Hence the #ifdef __KERNEL__ ugliness.
 */
#ifndef _UAPI_ASM_IA64_SIGNAL_H

#define _UAPI_ASM_IA64_SIGNAL_H



#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
/* signal 31 is no longer "unused", but the SIGUNUSED macro remains for backwards compatibility */

#define	SIGUNUSED	31

/* These should not be considered constants from userland.  */

#define SIGRTMIN	32

#define SIGRTMAX	_NSIG

/*
 * 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


#define SA_RESTORER	0x04000000

/*
 * The minimum stack size needs to be fairly large because we want to
 * be sure that an app compiled for today's CPUs will continue to run
 * on all future CPU models.  The CPU model matters because the signal
 * frame needs to have space for the complete machine state, including
 * all physical stacked registers.  The number of physical stacked
 * registers is CPU model dependent, but given that the width of
 * ar.rsc.loadrs is 14 bits, we can assume that they'll never take up
 * more than 16KB of space.
 */
#if 1
  /*
   * This is a stupid typo: the value was _meant_ to be 131072 (0x20000), but I typed it
   * in wrong. ;-(  To preserve backwards compatibility, we leave the kernel at the
   * incorrect value and fix libc only.
   */

# define MINSIGSTKSZ	131027	
/* min. stack size for sigaltstack() */
#else

# define MINSIGSTKSZ	131072	
/* min. stack size for sigaltstack() */
#endif

#define SIGSTKSZ	262144	
/* default stack size for sigaltstack() */


#include <asm-generic/signal-defs.h>

# ifndef __ASSEMBLY__

#  include <linux/types.h>

/* Avoid too many header ordering problems.  */
struct siginfo;


typedef struct sigaltstack {
	
void __user *ss_sp;
	
int ss_flags;
	
size_t ss_size;

} stack_t;


# endif /* !__ASSEMBLY__ */
#endif /* _UAPI_ASM_IA64_SIGNAL_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
David Howells25699.61%150.00%
Greg Kroah-Hartman10.39%150.00%
Total257100.00%2100.00%
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