diff options
Diffstat (limited to 'libpthread/sysdeps/l4/hurd/pt-wakeup.c')
-rw-r--r-- | libpthread/sysdeps/l4/hurd/pt-wakeup.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/libpthread/sysdeps/l4/hurd/pt-wakeup.c b/libpthread/sysdeps/l4/hurd/pt-wakeup.c deleted file mode 100644 index e568a6f9..00000000 --- a/libpthread/sysdeps/l4/hurd/pt-wakeup.c +++ /dev/null @@ -1,46 +0,0 @@ -/* Wakeup a thread. Viengoos version. - Copyright (C) 2008 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 <pt-internal.h> - -#include <hurd/stddef.h> -#include <hurd/futex.h> -#include <stdint.h> - -/* Wakeup THREAD. */ -void -__pthread_wakeup (struct __pthread *thread) -{ - /* We need to loop here as the blocked thread may not yet be - blocked! Here's what happens when a thread blocks: it registers - itself as blocked, drops the relevant lock and then actually - blocks (via __pthread_block). This means that after dropping the - lock and before blocking, it may be interrupted and another - thread may try to wake it. */ - long ret; - do - { - ret = futex_wake (&thread->threadid, INT_MAX); - assertx (ret <= 1, "tid: %x, ret: %d", thread->threadid, ret); - - if (ret == 0) - l4_thread_switch (thread->threadid); - } - while (ret == 0); -} |