Actually disable crash reporting on Mac OS X, returning bugpoint to speedy

crash miscompilations.

llvm-svn: 49000

1 files changed, 6 insertions, 23 deletions

diff --git a/llvm/lib/System/Unix/Process.inc b/llvm/lib/System/Unix/Process.inc
index addfef358f9..a2db4c675af 100644
--- a/llvm/lib/System/Unix/Process.inc
+++ b/llvm/lib/System/Unix/Process.inc
@@ -123,10 +123,6 @@ int Process::GetCurrentGroupId() {
   return getgid();
 }
 
-#ifdef HAVE_MACH_MACH_H
-#include <mach/mach.h>
-#endif
-
 // Some LLVM programs such as bugpoint produce core files as a normal part of
 // their operation. To prevent the disk from filling up, this function
 // does what's necessary to prevent their generation.
@@ -138,25 +134,12 @@ void Process::PreventCoreFiles() {
 #endif
 
 #ifdef HAVE_MACH_MACH_H
-  // Disable crash reporting on Mac OS/X.
-
-  // get information about the original set of exception ports for the task
-  mach_msg_type_number_t Count = 0;
-  exception_mask_t OriginalMasks[EXC_TYPES_COUNT];
-  exception_port_t OriginalPorts[EXC_TYPES_COUNT];
-  exception_behavior_t OriginalBehaviors[EXC_TYPES_COUNT];
-  thread_state_flavor_t OriginalFlavors[EXC_TYPES_COUNT];
-  kern_return_t err = 
-    task_get_exception_ports(mach_task_self(), EXC_MASK_ALL, OriginalMasks,
-                             &Count, OriginalPorts, OriginalBehaviors,
-                             OriginalFlavors);
-  if (err == KERN_SUCCESS) {
-    // replace each with MACH_PORT_NULL.
-    for (unsigned i = 0; i != Count; ++i)
-      task_set_exception_ports(mach_task_self(), OriginalMasks[i], 
-                               MACH_PORT_NULL, OriginalBehaviors[i],
-                               OriginalFlavors[i]);
-  }
+  // Disable crash reporting on Mac OS X.
+  signal(SIGABRT, _exit);
+  signal(SIGILL,  _exit);
+  signal(SIGFPE,  _exit);
+  signal(SIGSEGV, _exit);
+  signal(SIGBUS,  _exit);
 #endif
 }