From 5f8fa94796903bf81db4f1dc76d433a80308b3d4 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Sun, 26 Dec 2004 21:51:15 +0000
Subject: cleanups - lots of removed files now in thread library. qlock.c -
 stubs to thread library notify.c - clean interface slightly.

---
 src/lib9/lock-pthread.c | 55 -------------------------------------------------
 1 file changed, 55 deletions(-)
 delete mode 100644 src/lib9/lock-pthread.c

(limited to 'src/lib9/lock-pthread.c')

diff --git a/src/lib9/lock-pthread.c b/src/lib9/lock-pthread.c
deleted file mode 100644
index eb3ea21d..00000000
--- a/src/lib9/lock-pthread.c
+++ /dev/null
@@ -1,55 +0,0 @@
-#include <u.h>
-#include <unistd.h>
-#include <sys/time.h>
-#include <sched.h>
-#include <errno.h>
-#include <libc.h>
-
-static pthread_mutex_t initmutex = PTHREAD_MUTEX_INITIALIZER;
-
-static void
-lockinit(Lock *lk)
-{
-	pthread_mutexattr_t attr;
-
-	pthread_mutex_lock(&initmutex);
-	if(lk->init == 0){
-		pthread_mutexattr_init(&attr);
-		pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_NORMAL);
-		pthread_mutex_init(&lk->mutex, &attr);
-		pthread_mutexattr_destroy(&attr);
-		lk->init = 1;
-	}
-	pthread_mutex_unlock(&initmutex);
-}
-
-void
-lock(Lock *lk)
-{
-	if(!lk->init)
-		lockinit(lk);
-	if(pthread_mutex_lock(&lk->mutex) != 0)
-		abort();
-}
-
-int
-canlock(Lock *lk)
-{
-	int r;
-
-	if(!lk->init)
-		lockinit(lk);
-	r = pthread_mutex_trylock(&lk->mutex);
-	if(r == 0)
-		return 1;
-	if(r == EBUSY)
-		return 0;
-	abort();
-}
-
-void
-unlock(Lock *lk)
-{
-	if(pthread_mutex_unlock(&lk->mutex) != 0)
-		abort();
-}
-- 
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