src/os/solaris/vm/attachListener_solaris.cpp

rev 4897 : 7162400: Intermittent java.io.IOException: Bad file number during HotSpotVirtualMachine.executeCommand
Reviewed-by: duke

*** 574,583 ****
--- 574,605 ----
    thread->check_and_wait_while_suspended();
  
    return op;
  }
  
+ 
+ // Performs initialization at vm startup
+ // For Solaris we remove any stale .java_pid file which could cause
+ // an attaching process to think we are ready to recieve a door_call
+ // before we are properly initialized
+ 
+ void AttachListener::vm_start() {
+   char fn[PATH_MAX+1];
+   struct stat64 st;
+   int ret;
+ 
+   snprintf(fn, sizeof(fn), "%s/.java_pid%d",
+            os::get_temp_directory(), os::current_process_id());
+   RESTARTABLE(::stat64(fn, &st), ret);
+   if (ret == 0) {
+     ret = ::unlink(fn);
+     if(ret == -1) {
+       debug_only(warning("failed to remove stale attach pid file at %s", fn));
+     }
+   }
+ }
+ 
  int AttachListener::pd_init() {
    JavaThread* thread = JavaThread::current();
    ThreadBlockInVM tbivm(thread);
  
    thread->set_suspend_equivalent();