patch-2.4.2 linux/include/asm-s390x/siginfo.h

• Lines: 241
• Date: Tue Feb 13 14:13:44 2001
• Orig file: v2.4.1/linux/include/asm-s390x/siginfo.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.1/linux/include/asm-s390x/siginfo.h linux/include/asm-s390x/siginfo.h
@@ -0,0 +1,240 @@
+/*
+ *  include/asm-s390/siginfo.h
+ *
+ *  S390 version
+ *
+ *  Derived from "include/asm-i386/siginfo.h"
+ */
+
+#ifndef _S390_SIGINFO_H
+#define _S390_SIGINFO_H
+
+#include <linux/types.h>
+
+/* XXX: This structure was copied from the Alpha; is there an iBCS version?  */
+
+typedef union sigval {
+	int sival_int;
+	void *sival_ptr;
+} sigval_t;
+
+#define SI_MAX_SIZE	128
+#define SI_PAD_SIZE	((SI_MAX_SIZE/sizeof(int)) - 3)
+
+typedef struct siginfo {
+	int si_signo;
+	int si_errno;
+	int si_code;
+
+	union {
+		int _pad[SI_PAD_SIZE];
+
+		/* kill() */
+		struct {
+			pid_t _pid;		/* sender's pid */
+			uid_t _uid;		/* sender's uid */
+		} _kill;
+
+		/* POSIX.1b timers */
+		struct {
+			unsigned int _timer1;
+			unsigned int _timer2;
+		} _timer;
+
+		/* POSIX.1b signals */
+		struct {
+			pid_t _pid;		/* sender's pid */
+			uid_t _uid;		/* sender's uid */
+			sigval_t _sigval;
+		} _rt;
+
+		/* SIGCHLD */
+		struct {
+			pid_t _pid;		/* which child */
+			uid_t _uid;		/* sender's uid */
+			int _status;		/* exit code */
+			clock_t _utime;
+			clock_t _stime;
+		} _sigchld;
+
+		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
+		struct {
+			void *_addr; /* faulting insn/memory ref. */
+		} _sigfault;
+
+		/* SIGPOLL */
+		struct {
+			int _band;	/* POLL_IN, POLL_OUT, POLL_MSG */
+			int _fd;
+		} _sigpoll;
+	} _sifields;
+} siginfo_t;
+
+/*
+ * How these fields are to be accessed.
+ */
+#define si_pid		_sifields._kill._pid
+#define si_uid		_sifields._kill._uid
+#define si_status	_sifields._sigchld._status
+#define si_utime	_sifields._sigchld._utime
+#define si_stime	_sifields._sigchld._stime
+#define si_value	_sifields._rt._sigval
+#define si_int		_sifields._rt._sigval.sival_int
+#define si_ptr		_sifields._rt._sigval.sival_ptr
+#define si_addr		_sifields._sigfault._addr
+#define si_band		_sifields._sigpoll._band
+#define si_fd		_sifields._sigpoll._fd
+
+#ifdef __KERNEL__
+#define __SI_MASK	0xffff0000
+#define __SI_KILL	(0 << 16)
+#define __SI_TIMER	(1 << 16)
+#define __SI_POLL	(2 << 16)
+#define __SI_FAULT	(3 << 16)
+#define __SI_CHLD	(4 << 16)
+#define __SI_RT		(5 << 16)
+#define __SI_CODE(T,N)	((T) << 16 | ((N) & 0xffff))
+#else
+#define __SI_KILL	0
+#define __SI_TIMER	0
+#define __SI_POLL	0
+#define __SI_FAULT	0
+#define __SI_CHLD	0
+#define __SI_RT		0
+#define __SI_CODE(T,N)	(N)
+#endif
+
+/*
+ * si_code values
+ * Digital reserves positive values for kernel-generated signals.
+ */
+#define SI_USER		0	/* sent by kill, sigsend, raise */
+#define SI_KERNEL	0x80	/* sent by the kernel from somewhere */
+#define SI_QUEUE	-1	/* sent by sigqueue */
+#define SI_TIMER	-2	/* sent by timer expiration */
+#define SI_MESGQ	-3	/* sent by real time mesq state change */
+#define SI_ASYNCIO	-4	/* sent by AIO completion */
+#define SI_SIGIO	-5	/* sent by queued SIGIO */
+
+#define SI_FROMUSER(siptr)	((siptr)->si_code <= 0)
+#define SI_FROMKERNEL(siptr)	((siptr)->si_code > 0)
+
+/*
+ * SIGILL si_codes
+ */
+#define ILL_ILLOPC	1	/* illegal opcode */
+#define ILL_ILLOPN	2	/* illegal operand */
+#define ILL_ILLADR	3	/* illegal addressing mode */
+#define ILL_ILLTRP	4	/* illegal trap */
+#define ILL_PRVOPC	5	/* privileged opcode */
+#define ILL_PRVREG	6	/* privileged register */
+#define ILL_COPROC	7	/* coprocessor error */
+#define ILL_BADSTK	8	/* internal stack error */
+#define NSIGILL		8
+
+/*
+ * SIGFPE si_codes
+ */
+#define FPE_INTDIV	1	/* integer divide by zero */
+#define FPE_INTOVF	2	/* integer overflow */
+#define FPE_FLTDIV	3	/* floating point divide by zero */
+#define FPE_FLTOVF	4	/* floating point overflow */
+#define FPE_FLTUND	5	/* floating point underflow */
+#define FPE_FLTRES	6	/* floating point inexact result */
+#define FPE_FLTINV	7	/* floating point invalid operation */
+#define FPE_FLTSUB	8	/* subscript out of range */
+#define NSIGFPE		8
+
+/*
+ * SIGSEGV si_codes
+ */
+#define SEGV_MAPERR	1	/* address not mapped to object */
+#define SEGV_ACCERR	2	/* invalid permissions for mapped object */
+#define NSIGSEGV	2
+
+/*
+ * SIGBUS si_codes
+ */
+#define BUS_ADRALN	1	/* invalid address alignment */
+#define BUS_ADRERR	2	/* non-existant physical address */
+#define BUS_OBJERR	3	/* object specific hardware error */
+#define NSIGBUS		3
+
+/*
+ * SIGTRAP si_codes
+ */
+#define TRAP_BRKPT	1	/* process breakpoint */
+#define TRAP_TRACE	2	/* process trace trap */
+#define NSIGTRAP	2
+
+/*
+ * SIGCHLD si_codes
+ */
+#define CLD_EXITED	1	/* child has exited */
+#define CLD_KILLED	2	/* child was killed */
+#define CLD_DUMPED	3	/* child terminated abnormally */
+#define CLD_TRAPPED	4	/* traced child has trapped */
+#define CLD_STOPPED	5	/* child has stopped */
+#define CLD_CONTINUED	6	/* stopped child has continued */
+#define NSIGCHLD
+
+/*
+ * SIGPOLL si_codes
+ */
+#define POLL_IN		1	/* data input available */
+#define POLL_OUT	2	/* output buffers available */
+#define POLL_MSG	3	/* input message available */
+#define POLL_ERR	4	/* i/o error */
+#define POLL_PRI	5	/* high priority input available */
+#define POLL_HUP	6	/* device disconnected */
+#define NSIGPOLL	6
+
+/*
+ * sigevent definitions
+ * 
+ * It seems likely that SIGEV_THREAD will have to be handled from 
+ * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
+ * thread manager then catches and does the appropriate nonsense.
+ * However, everything is written out here so as to not get lost.
+ */
+#define SIGEV_SIGNAL	0	/* notify via signal */
+#define SIGEV_NONE	1	/* other notification: meaningless */
+#define SIGEV_THREAD	2	/* deliver via thread creation */
+
+#define SIGEV_MAX_SIZE	64
+#define SIGEV_PAD_SIZE	((SIGEV_MAX_SIZE/sizeof(int)) - 3)
+
+typedef struct sigevent {
+	sigval_t sigev_value;
+	int sigev_signo;
+	int sigev_notify;
+	union {
+		int _pad[SIGEV_PAD_SIZE];
+
+		struct {
+			void (*_function)(sigval_t);
+			void *_attribute;	/* really pthread_attr_t */
+		} _sigev_thread;
+	} _sigev_un;
+} sigevent_t;
+
+#define sigev_notify_function	_sigev_un._sigev_thread._function
+#define sigev_notify_attributes	_sigev_un._sigev_thread._attribute
+
+#ifdef __KERNEL__
+#include <linux/string.h>
+
+extern inline void copy_siginfo(siginfo_t *to, siginfo_t *from)
+{
+	if (from->si_code < 0)
+		memcpy(to, from, sizeof(siginfo_t));
+	else
+		/* _sigchld is currently the largest know union member */
+		memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld));
+}
+
+extern int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from);
+
+#endif /* __KERNEL__ */
+
+#endif