src/hotspot/os/linux/os_linux.cpp

@@ -5718,11 +5718,17 @@
 // Unlike system(), this function can be called from signal handler. It
 // doesn't block SIGINT et al.
 int os::fork_and_exec(char* cmd) {
   const char * argv[4] = {"sh", "-c", cmd, NULL};
 
-  pid_t pid = fork();
+  pid_t pid ;
+
+  if (OnOutOfMemoryError && OnOutOfMemoryError[0]) {
+    pid = vfork();
+  } else {
+    pid = fork();
+  }
 
   if (pid < 0) {
     // fork failed
     return -1;