From: Jay Lepreau <lepreau@ucbvax.Berkeley.EDU>
Date: Mon, 16 Feb 1987 08:16:44 +0000 (-0800)
Subject: date and time created 87/02/15 16:16:44 by lepreau
X-Git-Tag: BSD-4_3-Snapshot-Development~73
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/3084bb00400b4f62d67f556b806beb7bf9124942

date and time created 87/02/15 16:16:44 by lepreau

SCCS-vsn: local/sccscmds/sccscmds.2/util/setsig.c 1.1
SCCS-vsn: local/sccscmds/sccscmds.ok/util/setsig.c 1.1
---

diff --git a/usr/src/local/sccscmds/sccscmds.2/util/setsig.c b/usr/src/local/sccscmds/sccscmds.2/util/setsig.c
new file mode 100644
index 0000000000..5cecb1b2c0
--- /dev/null
+++ b/usr/src/local/sccscmds/sccscmds.2/util/setsig.c
@@ -0,0 +1,85 @@
+# include	"signal.h"
+#undef NSIG
+# ifdef PWB
+#define NSIG 16
+# else
+#define NSIG 4
+# endif
+# include	"../hdr/macros.h"
+SCCSID(@(#)setsig	2.1);
+
+/*
+	General-purpose signal setting routine.
+	All non-ignored, non-caught signals are caught.
+	If a signal other than hangup, interrupt, or quit is caught,
+	a "user-oriented" message is printed on file descriptor 2 with
+	a number for help(I).
+	If hangup, interrupt or quit is caught, that signal	
+	is set to ignore.
+	Termination is like that of "fatal",
+	via "clean_up(sig)" (sig is the signal number)
+	and "exit(userexit(1))".
+ 
+	If the file "dump.core" exists in the current directory
+	the function commits
+	suicide to produce a core dump
+	(after calling clean_up, but before calling userexit).
+*/
+
+
+char	*Mesg[NSIG] {
+	0,
+	0,	/* Hangup */
+	0,	/* Interrupt */
+	0,	/* Quit */
+# ifdef PWB
+	"Illegal instruction",
+	"Trace/BPT trap",
+	"IOT trap",
+	"EMT trap",
+	"Floating exception",
+	"Killed",
+	"Bus error",
+	"Memory fault",
+	"Bad system call",
+	"Broken pipe",
+	"Alarm clock",
+	"Terminated"
+# endif PWB
+};
+
+
+setsig()
+{
+	extern int setsig1();
+	register int j, n;
+
+	for (j=1; j<NSIG; j++)
+		if (n=signal(j,setsig1))
+			signal(j,n);
+}
+
+
+static char preface[]	"SIGNAL: ";
+static char endmsg[]	" (ut12)\n";
+
+setsig1(sig)
+int sig;
+{
+# ifndef PWB
+	sig = 2;
+# endif PWB
+	if (Mesg[sig]) {
+		syswrite(2,preface,length(preface));
+		syswrite(2,Mesg[sig],length(Mesg[sig]));
+		syswrite(2,endmsg,length(endmsg));
+	}
+	else
+		signal(sig,1);
+	clean_up(sig);
+	if(open("dump.core",0) > 0) {
+		signal(SIGIOT,0);
+		abort();
+	}
+	exit(userexit(1));
+}
diff --git a/usr/src/local/sccscmds/sccscmds.ok/util/setsig.c b/usr/src/local/sccscmds/sccscmds.ok/util/setsig.c
new file mode 100644
index 0000000000..5cecb1b2c0
--- /dev/null
+++ b/usr/src/local/sccscmds/sccscmds.ok/util/setsig.c
@@ -0,0 +1,85 @@
+# include	"signal.h"
+#undef NSIG
+# ifdef PWB
+#define NSIG 16
+# else
+#define NSIG 4
+# endif
+# include	"../hdr/macros.h"
+SCCSID(@(#)setsig	2.1);
+
+/*
+	General-purpose signal setting routine.
+	All non-ignored, non-caught signals are caught.
+	If a signal other than hangup, interrupt, or quit is caught,
+	a "user-oriented" message is printed on file descriptor 2 with
+	a number for help(I).
+	If hangup, interrupt or quit is caught, that signal	
+	is set to ignore.
+	Termination is like that of "fatal",
+	via "clean_up(sig)" (sig is the signal number)
+	and "exit(userexit(1))".
+ 
+	If the file "dump.core" exists in the current directory
+	the function commits
+	suicide to produce a core dump
+	(after calling clean_up, but before calling userexit).
+*/
+
+
+char	*Mesg[NSIG] {
+	0,
+	0,	/* Hangup */
+	0,	/* Interrupt */
+	0,	/* Quit */
+# ifdef PWB
+	"Illegal instruction",
+	"Trace/BPT trap",
+	"IOT trap",
+	"EMT trap",
+	"Floating exception",
+	"Killed",
+	"Bus error",
+	"Memory fault",
+	"Bad system call",
+	"Broken pipe",
+	"Alarm clock",
+	"Terminated"
+# endif PWB
+};
+
+
+setsig()
+{
+	extern int setsig1();
+	register int j, n;
+
+	for (j=1; j<NSIG; j++)
+		if (n=signal(j,setsig1))
+			signal(j,n);
+}
+
+
+static char preface[]	"SIGNAL: ";
+static char endmsg[]	" (ut12)\n";
+
+setsig1(sig)
+int sig;
+{
+# ifndef PWB
+	sig = 2;
+# endif PWB
+	if (Mesg[sig]) {
+		syswrite(2,preface,length(preface));
+		syswrite(2,Mesg[sig],length(Mesg[sig]));
+		syswrite(2,endmsg,length(endmsg));
+	}
+	else
+		signal(sig,1);
+	clean_up(sig);
+	if(open("dump.core",0) > 0) {
+		signal(SIGIOT,0);
+		abort();
+	}
+	exit(userexit(1));
+}