Changeset 5165

Timestamp:

Sep 7, 2006, 1:58:05 AM (18 years ago)

Author:

Gary Byers

Message:

FreeBSD (at least with libthr) seems to mask synchronous signals.
Unmask them in signal handlers.

File:

• trunk/ccl/lisp-kernel/x86-exceptions.c (modified) (1 diff)

trunk/ccl/lisp-kernel/x86-exceptions.c

@@ -1067 +1067 @@
   sa.sa_sigaction = (void *)handler;
   sigfillset(&sa.sa_mask);
+#ifdef FREEBSD
+  /* Strange FreeBSD behavior wrt synchronous signals */
+  sigdelset(&sa.sa_mask,SIGNUM_FOR_INTN_TRAP);
+  sigdelset(&sa.sa_mask,SIGTRAP);  /* let GDB work */
+  sigdelset(&sa.sa_mask,SIGILL);
+  sigdelset(&sa.sa_mask,SIGFPE);
+  sigdelset(&sa.sa_mask,SIGSEGV);
+#endif
   sa.sa_flags = 
     SA_RESTART