patch-2.3.48 linux/include/asm-mips64/signal.h

• Lines: 174
• Date: Thu Feb 24 22:53:35 2000
• Orig file: v2.3.47/linux/include/asm-mips64/signal.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/include/asm-mips64/signal.h linux/include/asm-mips64/signal.h
@@ -0,0 +1,173 @@
+/* $Id: signal.h,v 1.2 1999/09/28 22:27:19 ralf Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1995 - 1999 by Ralf Baechle
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_SIGNAL_H
+#define _ASM_SIGNAL_H
+
+#include <linux/types.h>
+
+#define _NSIG		128
+#define _NSIG_BPW	64
+#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
+
+typedef struct {
+	long sig[_NSIG_WORDS];
+} sigset_t;
+
+typedef unsigned long old_sigset_t;		/* at least 32 bits */
+
+#define SIGHUP		 1	/* Hangup (POSIX).  */
+#define SIGINT		 2	/* Interrupt (ANSI).  */
+#define SIGQUIT		 3	/* Quit (POSIX).  */
+#define SIGILL		 4	/* Illegal instruction (ANSI).  */
+#define SIGTRAP		 5	/* Trace trap (POSIX).  */
+#define SIGIOT		 6	/* IOT trap (4.2 BSD).  */
+#define SIGABRT		 SIGIOT	/* Abort (ANSI).  */
+#define SIGEMT		 7
+#define SIGFPE		 8	/* Floating-point exception (ANSI).  */
+#define SIGKILL		 9	/* Kill, unblockable (POSIX).  */
+#define SIGBUS		10	/* BUS error (4.2 BSD).  */
+#define SIGSEGV		11	/* Segmentation violation (ANSI).  */
+#define SIGSYS		12
+#define SIGPIPE		13	/* Broken pipe (POSIX).  */
+#define SIGALRM		14	/* Alarm clock (POSIX).  */
+#define SIGTERM		15	/* Termination (ANSI).  */
+#define SIGUSR1		16	/* User-defined signal 1 (POSIX).  */
+#define SIGUSR2		17	/* User-defined signal 2 (POSIX).  */
+#define SIGCHLD		18	/* Child status has changed (POSIX).  */
+#define SIGCLD		SIGCHLD	/* Same as SIGCHLD (System V).  */
+#define SIGPWR		19	/* Power failure restart (System V).  */
+#define SIGWINCH	20	/* Window size change (4.3 BSD, Sun).  */
+#define SIGURG		21	/* Urgent condition on socket (4.2 BSD).  */
+#define SIGIO		22	/* I/O now possible (4.2 BSD).  */
+#define SIGPOLL		SIGIO	/* Pollable event occurred (System V).  */
+#define SIGSTOP		23	/* Stop, unblockable (POSIX).  */
+#define SIGTSTP		24	/* Keyboard stop (POSIX).  */
+#define SIGCONT		25	/* Continue (POSIX).  */
+#define SIGTTIN		26	/* Background read from tty (POSIX).  */
+#define SIGTTOU		27	/* Background write to tty (POSIX).  */
+#define SIGVTALRM	28	/* Virtual alarm clock (4.2 BSD).  */
+#define SIGPROF		29	/* Profiling alarm clock (4.2 BSD).  */
+#define SIGXCPU		30	/* CPU limit exceeded (4.2 BSD).  */
+#define SIGXFSZ		31	/* File size limit exceeded (4.2 BSD).  */
+
+/* These should not be considered constants from userland.  */
+#define SIGRTMIN	32
+#define SIGRTMAX	(_NSIG-1)
+
+/*
+ * SA_FLAGS values:
+ *
+ * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
+ * 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_ONSTACK	0x08000000
+#define SA_RESETHAND	0x80000000
+#define SA_RESTART	0x10000000
+#define SA_SIGINFO	0x00000008
+#define SA_NODEFER	0x40000000
+#define SA_NOCLDWAIT	0x00010000	/* Not supported yet */
+#define SA_NOCLDSTOP	0x00000001
+
+#define SA_NOMASK	SA_NODEFER
+#define SA_ONESHOT	SA_RESETHAND
+#define SA_INTERRUPT	0x20000000	/* dummy -- ignored */
+
+#define SA_RESTORER	0x04000000
+
+/* 
+ * sigaltstack controls
+ */
+#define SS_ONSTACK     1
+#define SS_DISABLE     2
+
+#define MINSIGSTKSZ    2048
+#define SIGSTKSZ       8192
+
+#ifdef __KERNEL__
+
+/*
+ * These values of sa_flags are used only by the kernel as part of the
+ * irq handling routines.
+ *
+ * SA_INTERRUPT is also used by the irq handling routines.
+ * SA_SHIRQ flag is for shared interrupt support on PCI and EISA.
+ */
+#define SA_PROBE		SA_ONESHOT
+#define SA_SAMPLE_RANDOM	SA_RESTART
+#define SA_SHIRQ		0x02000000
+
+#endif /* __KERNEL__ */
+
+#define SIG_BLOCK	1	/* for blocking signals */
+#define SIG_UNBLOCK	2	/* for unblocking signals */
+#define SIG_SETMASK	3	/* for setting the signal mask */
+#define SIG_SETMASK32	256	/* Goodie from SGI for BSD compatibility:
+				   set only the low 32 bit of the sigset.  */
+
+/* Type of a signal handler.  */
+typedef void (*__sighandler_t)(int);
+
+/* Fake signal functions */
+#define SIG_DFL	((__sighandler_t)0)	/* default signal handling */
+#define SIG_IGN	((__sighandler_t)1)	/* ignore signal */
+#define SIG_ERR	((__sighandler_t)-1)	/* error return from signal */
+
+struct sigaction {
+	unsigned int	sa_flags;
+	__sighandler_t	sa_handler;
+	sigset_t	sa_mask;
+	void		(*sa_restorer)(void);
+	int		sa_resv[1];	/* reserved */
+};
+
+struct k_sigaction {
+	struct sigaction sa;
+};
+
+/* IRIX compatible stack_t  */
+typedef struct sigaltstack {
+	void *ss_sp;
+	size_t ss_size;
+	int ss_flags;
+} stack_t;
+
+#ifdef __KERNEL__
+#include <asm/sigcontext.h>
+
+/*
+ * The following break codes are or were in use for specific purposes in
+ * other MIPS operating systems.  Linux/MIPS doesn't use all of them.  The
+ * unused ones are here as placeholders; we might encounter them in
+ * non-Linux/MIPS object files or make use of them in the future.
+ */
+#define BRK_USERBP	0	/* User bp (used by debuggers) */
+#define BRK_KERNELBP	1	/* Break in the kernel */
+#define BRK_ABORT	2	/* Sometimes used by abort(3) to SIGIOT */
+#define BRK_BD_TAKEN	3	/* For bd slot emulation - not implemented */
+#define BRK_BD_NOTTAKEN	4	/* For bd slot emulation - not implemented */
+#define BRK_SSTEPBP	5	/* User bp (used by debuggers) */
+#define BRK_OVERFLOW	6	/* Overflow check */
+#define BRK_DIVZERO	7	/* Divide by zero check */
+#define BRK_RANGE	8	/* Range error check */
+#define BRK_STACKOVERFLOW 9	/* For Ada stackchecking */
+#define BRK_NORLD	10	/* No rld found - not used by Linux/MIPS */
+#define _BRK_THREADBP	11	/* For threads, user bp (used by debuggers) */
+#define BRK_MULOVF	1023	/* Multiply overflow */
+#endif /* defined (__KERNEL__) || defined (__USE_MISC) */
+
+#endif /* !defined (_ASM_SIGNAL_H) */