X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fbsd-os.h;h=f1669d6ccaed9b0bb5146eeb785bcc0c437c8196;hb=42ab0c5b87f834c69842713c60587a76f953411f;hp=2324514746b3238ac5fe812449c697e5f47e936d;hpb=bd455348d39bee562296741689882dcb97c46ba3;p=sbcl.git

diff --git a/src/runtime/bsd-os.h b/src/runtime/bsd-os.h
index 2324514..f1669d6 100644
--- a/src/runtime/bsd-os.h
+++ b/src/runtime/bsd-os.h
@@ -53,7 +53,6 @@ typedef ucontext_t os_context_t;
  * step flag bit by messing with the flags stored in a signal context,
  * so we need to implement single stepping in a more roundabout way. */
 #define CANNOT_GET_TO_SINGLE_STEP_FLAG
-#define SIG_MEMORY_FAULT SIGSEGV
 /* Sometime in late 2005 FreeBSD was changed to signal SIGSEGV instead
  * of SIGBUS for memory faults, as required by POSIX. In order to
  * support both new and old FreeBSD at the same time, both signals are
@@ -62,7 +61,11 @@ typedef ucontext_t os_context_t;
  * quaint memories, feel free to delete this hack (and any code that's
  * #ifdef SIG_MEMORY_FAULT2'ed). -- JES, 2005-12-30
  */
-#define SIG_MEMORY_FAULT2 SIGBUS
+/* Hooking both SIGBUS and SIGSEGV causes troubles on some situation,
+ * so use a variable.
+ */
+extern int sig_memory_fault;
+#define SIG_MEMORY_FAULT (sig_memory_fault)
 
 #define SIG_INTERRUPT_THREAD (SIGINFO)
 #define SIG_STOP_FOR_GC (SIGUSR1)