diff src/os/solaris/vm/attachListener_solaris.cpp @ 11198:1e6d5dec4a4e

Merge.
author Christian Humer <christian.humer@gmail.com>
date Mon, 05 Aug 2013 13:20:06 +0200
parents 2e8f19c2feef
children
line wrap: on
line diff
--- a/src/os/solaris/vm/attachListener_solaris.cpp	Thu Aug 01 21:34:57 2013 +0200
+++ b/src/os/solaris/vm/attachListener_solaris.cpp	Mon Aug 05 13:20:06 2013 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -392,7 +392,7 @@
     return -1;
   }
   assert(fd >= 0, "bad file descriptor");
-  RESTARTABLE(::close(fd), res);
+  ::close(fd);
 
   // attach the door descriptor to the file
   if ((res = ::fattach(dd, initial_path)) == -1) {
@@ -410,7 +410,7 @@
   // rename file so that clients can attach
   if (dd >= 0) {
     if (::rename(initial_path, door_path) == -1) {
-        RESTARTABLE(::close(dd), res);
+        ::close(dd);
         ::fdetach(initial_path);
         dd = -1;
     }
@@ -549,7 +549,7 @@
     }
 
     // close socket and we're done
-    RESTARTABLE(::close(this->socket()), rc);
+    ::close(this->socket());
 
     // were we externally suspended while we were waiting?
     thread->check_and_wait_while_suspended();
@@ -576,6 +576,30 @@
   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 receive a door_call
+// before we are properly initialized
+
+void AttachListener::vm_start() {
+  char fn[PATH_MAX+1];
+  struct stat64 st;
+  int ret;
+
+  int n = snprintf(fn, sizeof(fn), "%s/.java_pid%d",
+           os::get_temp_directory(), os::current_process_id());
+  assert(n < sizeof(fn), "java_pid file name buffer overflow");
+
+  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);