[win32] Sync a change from local repository.

 	    Message-Id: <199710290106.UAA11485@aatma.engin.umich.edu>
 	    Subject: [PATCH] Re: Core dump from using sockets w/ system or open(pipe) or "`"

p4raw-id: //depot/win32/perl@306

diff --git a/mg.c b/mg.c
index b7b09d3..8a7cfdd 100644 (file)
--- a/mg.c
+++ b/mg.c
@@ -1733,10 +1733,10 @@ Signal_t
 sighandler(int sig)
 {
     dSP;
-    GV *gv;
+    GV *gv = Nullgv;
     HV *st;
     SV *sv, *tSv = Sv;
-    CV *cv;
+    CV *cv = Nullcv;
     AV *oldstack;
     OP *myop = op;
     U32 flags = 0;
@@ -1788,8 +1788,11 @@ sighandler(int sig)
     if (!cv || !CvROOT(cv)) {
        if (dowarn)
            warn("SIG%s handler \"%s\" not defined.\n",
-               sig_name[sig], GvENAME(gv) );
-       return;
+               sig_name[sig], (gv ? GvENAME(gv)
+                               : ((cv && CvGV(cv))
+                                  ? GvENAME(CvGV(cv))
+                                  : "__ANON__")));
+       goto cleanup;
     }
 
     oldstack = curstack;
@@ -1812,6 +1815,7 @@ sighandler(int sig)
     perl_call_sv((SV*)cv, G_DISCARD);
 
     SWITCHSTACK(signalstack, oldstack);
+cleanup:
     if (flags & 1)
        savestack_ix -= 8; /* Unprotect save in progress. */
     if (flags & 2) {