From 1e8dc0da170e687e6c9011ff29f7cf02ae124b82 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@cloudius-systems.com>
Date: Thu, 7 Feb 2013 14:42:38 +0100
Subject: [PATCH] remove an accidentally added file
---
libc/thread/wait.cc | 45 ---------------------------------------------
1 file changed, 45 deletions(-)
delete mode 100644 libc/thread/wait.cc
diff --git a/libc/thread/wait.cc b/libc/thread/wait.cc
deleted file mode 100644
index e391b70f8..000000000
--- a/libc/thread/wait.cc
+++ /dev/null
@@ -1,45 +0,0 @@
-
-struct sem_waiter {
- struct sem_waiter* prev;
- struct sem_waiter* next;
- sched::thread* thread;
-};
-
-extern "C" void sem_wait(mutex_t *mutex)
-{
- struct waiter w;
-
- w.thread = sched::thread::current();
-
- spin_lock(&mutex->_wait_lock);
- if (!mutex->_wait_list.first) {
- mutex->_wait_list.first = &w;
- } else {
- mutex->_wait_list.last->next = &w;
- w.prev = mutex->_wait_list.last;
- }
- mutex->_wait_list.last = &w;
- spin_unlock(&mutex->_wait_lock);
-
- sched::thread::wait_until([=] {
- return !mutex->_locked && mutex->_wait_list.first == &w;
- });
-
- spin_lock(&mutex->_wait_lock);
- if (mutex->_wait_list.first == &w)
- mutex->_wait_list.first = w.next;
- else
- w.prev->next = w.next;
-
- if (mutex->_wait_list.last == &w)
- mutex->_wait_list.last = w.prev;
- spin_unlock(&mutex->_wait_lock);
-}
-
-extern "C" void sem_wake(sem_t *sem)
-{
- spin_lock(&mutex->_wait_lock);
- if (mutex->_wait_list.first)
- mutex->_wait_list.first->thread->wake();
- spin_unlock(&mutex->_wait_lock);
-}
--
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