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 (file)
index 0000000..5cecb1b
--- /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 (file)
index 0000000..5cecb1b
--- /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));
+}