src/hotspot/share/utilities/vmError.cpp

@@ -56,10 +56,14 @@
 
 #ifndef PRODUCT
 #include <signal.h>
 #endif // PRODUCT
 
+bool VMError::_vfork_mode = false;
+
+bool VMError::is_forkmode_vfork() { return _vfork_mode; }
+
 bool VMError::_error_reported = false;
 
 // call this when the VM is dying--it might loosen some asserts
 bool VMError::is_error_reported() { return _error_reported; }
 

@@ -1563,15 +1567,19 @@
 #elif defined(SOLARIS)
     tty->print  ("/usr/bin/sh -c ");
 #endif
     tty->print_cr("\"%s\"...", cmd);
 
+    VMError::_vfork_mode = true;
+
     if (os::fork_and_exec(cmd) < 0) {
       tty->print_cr("os::fork_and_exec failed: %s (%s=%d)",
                      os::strerror(errno), os::errno_name(errno), errno);
     }
   }
+
+  VMError::_vfork_mode = false;
 }
 
 void VMError::report_java_out_of_memory(const char* message) {
   if (OnOutOfMemoryError && OnOutOfMemoryError[0]) {
     MutexLocker ml(Heap_lock);