Imported Upstream version 93u+upstream

1 files changed, 371 insertions, 0 deletions

diff --git a/src/lib/libast/features/signal.c b/src/lib/libast/features/signal.c
new file mode 100644
index 0000000..07c9b4b
--- /dev/null
+++ b/src/lib/libast/features/signal.c
@@ -0,0 +1,371 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+/*
+ * Glenn Fowler
+ * AT&T Research
+ *
+ * generate signal features
+ */
+
+#include "FEATURE/standards"
+
+#define strsignal	______strsignal
+
+#include <signal.h>
+
+#undef	strsignal
+
+struct _m_
+{
+	char*		text;
+	char*		name;
+	int		value;
+};
+
+#define elementsof(x)	(sizeof(x)/sizeof(x[0]))
+
+static struct _m_ map[] =
+{
+#ifdef SIGABRT
+#define HAD_SIGABRT	1
+"Abort",			"ABRT",		SIGABRT,
+#endif
+#ifdef SIGAIO
+#define HAD_SIGAIO	1
+"Asynchronous I/O",		"AIO",		SIGAIO,
+#endif
+#ifdef SIGALRM
+#define HAD_SIGALRM	1
+"Alarm call",			"ALRM",		SIGALRM,
+#endif
+#ifdef SIGAPOLLO
+#define HAD_SIGAPOLLO	1
+"Apollo",			"APOLLO",	SIGAPOLLO,
+#endif
+#ifdef SIGBUS
+#define HAD_SIGBUS	1
+"Bus error",			"BUS",		SIGBUS,
+#endif
+#ifdef SIGCHLD
+#define HAD_SIGCHLD	1
+"Child status change",		"CHLD",		SIGCHLD,
+#endif
+#ifdef SIGCLD
+#define HAD_SIGCLD	1
+"Death of child", 		"CLD",		SIGCLD,
+#endif
+#ifdef SIGCONT
+#define HAD_SIGCONT	1
+"Stopped process continued",	"CONT",		SIGCONT,
+#endif
+#ifdef SIGDANGER
+#define HAD_SIGDANGER	1
+"System crash soon",		"DANGER",	SIGDANGER,
+#endif
+#ifdef SIGDEBUG
+#define HAD_SIGDEBUG	1
+"Debug trap",			"DEBUG",	SIGDEBUG,
+#endif
+#ifdef SIGDIL
+#define HAD_SIGDIL	1
+"DIL trap",			"DIL",		SIGDIL,
+#endif
+#ifdef SIGEMT
+#define HAD_SIGEMT	1
+"EMT trap",			"EMT",		SIGEMT,
+#endif
+#ifdef SIGERR
+#define HAD_SIGERR	1
+"ERR trap",			"ERR",		SIGERR,
+#endif
+#ifdef SIGEXIT
+#define HAD_SIGEXIT	1
+"Exit",				"EXIT",		SIGEXIT,
+#endif
+#ifdef SIGFPE
+#define HAD_SIGFPE	1
+"Floating exception",		"FPE",		SIGFPE,
+#endif
+#ifdef SIGFREEZE
+#define HAD_SIGFREEZE	1
+"CPR freeze",			"FREEZE",	SIGFREEZE,
+#endif
+#ifdef SIGHUP
+#define HAD_SIGHUP	1
+"Hangup",			"HUP",		SIGHUP,
+#endif
+#ifdef SIGILL
+#define HAD_SIGILL	1
+"Illegal instruction",		"ILL",		SIGILL,
+#endif
+#ifdef SIGINT
+#define HAD_SIGINT	1
+"Interrupt",			"INT",		SIGINT,
+#endif
+#ifdef SIGIO
+#define HAD_SIGIO	1
+"IO possible",			"IO",		SIGIO,
+#endif
+#ifdef SIGIOT
+#define HAD_SIGIOT	1
+"IOT trap",			"IOT",		SIGIOT,
+#endif
+#ifdef SIGKILL
+#define HAD_SIGKILL	1
+"Killed",			"KILL",		SIGKILL,
+#endif
+#ifdef SIGLAB
+#define HAD_SIGLAB	1
+"Security label changed",	"LAB",		SIGLAB,
+#endif
+#ifdef SIGLOST
+#define HAD_SIGLOST	1
+"Resources lost",		"LOST",		SIGLOST,
+#endif
+#ifdef SIGLWP
+#define HAD_SIGLWP	1
+"Thread event",			"LWP",		SIGLWP,
+#endif
+#ifdef SIGMIGRATE
+#define HAD_SIGMIGRATE	1
+"Migrate process",		"MIGRATE",	SIGMIGRATE,
+#endif
+#ifdef SIGPHONE
+#define HAD_SIGPHONE	1
+"Phone status change",		"PHONE",	SIGPHONE,
+#endif
+#ifdef SIGPIPE
+#define HAD_SIGPIPE	1
+"Broken pipe",			"PIPE",		SIGPIPE,
+#endif
+#ifdef SIGPOLL
+#define HAD_SIGPOLL	1
+"Poll event",			"POLL",		SIGPOLL,
+#endif
+#ifdef SIGPROF
+#define HAD_SIGPROF	1
+"Profile timer alarm",		"PROF",		SIGPROF,
+#endif
+#ifdef SIGPWR
+#define HAD_SIGPWR	1
+"Power fail",			"PWR",		SIGPWR,
+#endif
+#ifdef SIGQUIT
+#define HAD_SIGQUIT	1
+"Quit",				"QUIT",		SIGQUIT,
+#endif
+#ifdef SIGSEGV
+#define HAD_SIGSEGV	1
+"Memory fault",			"SEGV",		SIGSEGV,
+#endif
+#ifdef SIGSOUND
+#define HAD_SIGSOUND	1
+"Sound completed",		"SOUND",	SIGSOUND,
+#endif
+#ifdef SIGSSTOP
+#define HAD_SIGSSTOP	1
+"Sendable stop",		"SSTOP",	SIGSSTOP,
+#endif
+#ifdef gould
+#define HAD_gould	1
+"Stack overflow",		"STKOV",	28,
+#endif
+#ifdef SIGSTOP
+#define HAD_SIGSTOP	1
+"Stopped (signal)",		"STOP",		SIGSTOP,
+#endif
+#ifdef SIGSYS
+#define HAD_SIGSYS	1
+"Bad system call", 		"SYS",		SIGSYS,
+#endif
+#ifdef SIGTERM
+#define HAD_SIGTERM	1
+"Terminated",			"TERM",		SIGTERM,
+#endif
+#ifdef SIGTHAW
+#define HAD_SIGTHAW	1
+"CPR thaw",			"THAW",		SIGTHAW,
+#endif
+#ifdef SIGTINT
+#define HAD_SIGTINT	1
+"Interrupt (terminal)",		"TINT",		SIGTINT,
+#endif
+#ifdef SIGTRAP
+#define HAD_SIGTRAP	1
+"Trace trap",			"TRAP",		SIGTRAP,
+#endif
+#ifdef SIGTSTP
+#define HAD_SIGTSTP	1
+"Stopped",			"TSTP",		SIGTSTP,
+#endif
+#ifdef SIGTTIN
+#define HAD_SIGTTIN	1
+"Stopped (tty input)",		"TTIN",		SIGTTIN,
+#endif
+#ifdef SIGTTOU
+#define HAD_SIGTTOU	1
+"Stopped (tty output)",		"TTOU",		SIGTTOU,
+#endif
+#ifdef SIGURG
+#define HAD_SIGURG	1
+"Urgent IO",			"URG",		SIGURG,
+#endif
+#ifdef SIGUSR1
+#define HAD_SIGUSR1	1
+"User signal 1",		"USR1",		SIGUSR1,
+#endif
+#ifdef SIGUSR2
+#define HAD_SIGUSR2	1
+"User signal 2",		"USR2",		SIGUSR2,
+#endif
+#ifdef SIGVTALRM
+#define HAD_SIGVTALRM	1
+"Virtual timer alarm",		"VTALRM",	SIGVTALRM,
+#endif
+#ifdef SIGWAITING
+#define HAD_SIGWAITING	1
+"All threads blocked",		"WAITING",	SIGWAITING,
+#endif
+#ifdef SIGWINCH
+#define HAD_SIGWINCH	1
+"Window change", 		"WINCH",	SIGWINCH,
+#endif
+#ifdef SIGWIND
+#define HAD_SIGWIND	1
+"Window change",		"WIND",		SIGWIND,
+#endif
+#ifdef SIGWINDOW
+#define HAD_SIGWINDOW	1
+"Window change",		"WINDOW",	SIGWINDOW,
+#endif
+#ifdef SIGXCPU
+#define HAD_SIGXCPU	1
+"CPU time limit",		"XCPU",		SIGXCPU,
+#endif
+#ifdef SIGXFSZ
+#define HAD_SIGXFSZ	1
+"File size limit",		"XFSZ",		SIGXFSZ,
+#endif
+#include "FEATURE/siglist"
+0
+};
+
+#define RANGE_MIN	(1<<14)
+#define RANGE_MAX	(1<<13)
+#define RANGE_RT	(1<<12)
+
+#define RANGE_SIG	(~(RANGE_MIN|RANGE_MAX|RANGE_RT))
+
+static int		mapindex[1024];
+
+#if _lib_strsignal
+extern char*		strsignal(int);
+#endif
+
+int
+main()
+{
+	register int	i;
+	register int	j;
+	register int	k;
+	int		m;
+	int		n;
+#if _lib_strsignal
+	char*		s;
+#endif
+
+	k = 0;
+	for (i = 0; map[i].name; i++)
+		if ((j = map[i].value) > 0 && j < elementsof(mapindex) && !mapindex[j])
+		{
+			if (j > k)
+				k = j;
+			mapindex[j] = i;
+		}
+#ifdef SIGRTMIN
+	i = SIGRTMIN;
+#ifdef SIGRTMAX
+	j = SIGRTMAX;
+#else
+	j = i;
+#endif
+	if (j >= elementsof(mapindex))
+		j = elementsof(mapindex) - 1;
+	if (i <= j && i > 0 && i < elementsof(mapindex) && j > 0 && j < elementsof(mapindex))
+	{
+		if (j > k)
+			k = j;
+		mapindex[i] = RANGE_MIN | RANGE_RT;
+		n = 1;
+		while (++i < j)
+			mapindex[i] = RANGE_RT | n++;
+		mapindex[j] = RANGE_MAX | RANGE_RT | n;
+	}
+#endif
+	printf("#pragma prototyped\n");
+	printf("#define SIG_MAX	%d\n", k);
+	printf("\n");
+	printf("static const char* const	sig_name[] =\n");
+	printf("{\n");
+	for (i = 0; i <= k; i++)
+		if (!(j = mapindex[i]))
+			printf("	\"%d\",\n", i);
+		else if (j & RANGE_RT)
+		{
+			if (j & RANGE_MIN)
+				printf("	\"RTMIN\",\n");
+			else if (j & RANGE_MAX)
+				printf("	\"RTMAX\",\n");
+			else
+			{
+				m = j & RANGE_SIG;
+				if (m > n / 2)
+					printf("	\"RTMAX-%d\",\n", n - m);
+				else
+					printf("	\"RTMIN+%d\",\n", m);
+			}
+		}
+		else
+			printf("	\"%s\",\n", map[j].name);
+	printf("	0\n");
+	printf("};\n");
+	printf("\n");
+	printf("static const char* const	sig_text[] =\n");
+	printf("{\n");
+	for (i = 0; i <= k; i++)
+		if (!(j = mapindex[i]))
+			printf("	\"Signal %d\",\n", i);
+		else if (j & RANGE_RT)
+			printf("	\"Realtime priority %d%s\",\n", j & RANGE_SIG, (j & RANGE_MIN) ? " (lo)" : (j & RANGE_MAX) ? " (hi)" : "");
+		else if (map[j].text)
+			printf("	\"%s\",\n", map[j].text);
+#if _lib_strsignal
+		else if (s = strsignal(i))
+			printf("	\"%s\",\n", s);
+#endif
+		else
+			printf("	\"Signal %d\",\n", i);
+	printf("	0\n");
+	printf("};\n");
+	return 0;
+}