Move files to libpthread/ for inclusion along hurd

1 files changed, 79 insertions, 0 deletions

diff --git a/libpthread/sysdeps/hurd/pt-destroy-specific.c b/libpthread/sysdeps/hurd/pt-destroy-specific.c
new file mode 100644
index 00000000..23c7fbc0
--- /dev/null
+++ b/libpthread/sysdeps/hurd/pt-destroy-specific.c
@@ -0,0 +1,79 @@
+/* __pthread_destory_specific.  Hurd version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <pthread.h>
+#include <stdlib.h>
+#include <hurd/ihash.h>
+
+#include <pt-internal.h>
+
+void
+__pthread_destroy_specific (struct __pthread *thread)
+{
+  error_t err;
+  int i;
+  int seen_one;
+
+  /* Check if there is any thread specific data.  */
+  if (! thread->thread_specifics)
+    return;
+
+  __pthread_key_lock_ready ();
+
+  /* Iterate and call the destructors on any thread specific data.  */
+  for (;;)
+    {
+      seen_one = 0;
+
+      __pthread_mutex_lock (&__pthread_key_lock);
+
+      for (i = 0; i < __pthread_key_count; i ++)
+	{
+	  void *value;
+
+	  if (__pthread_key_destructors[i] == PTHREAD_KEY_INVALID)
+	    break;
+
+	  value = hurd_ihash_find (thread->thread_specifics, i);
+	  if (value)
+	    {
+	      err = hurd_ihash_remove (thread->thread_specifics, i);
+	      assert (err == 1);
+
+	      if (__pthread_key_destructors[i])
+		{
+		  seen_one = 1;
+		  __pthread_key_destructors[i] (value);
+		}
+	    }
+	}
+
+      __pthread_mutex_unlock (&__pthread_key_lock);
+
+      if (! seen_one)
+	break;
+
+      /* This may take a very long time.  Let those blocking on
+	 pthread_key_create or pthread_key_delete make progress.  */
+      sched_yield ();
+    }
+
+  hurd_ihash_free (thread->thread_specifics);
+  thread->thread_specifics = 0;
+}