From: Chris Lattner <sabre@nondot.org>
Date: Tue, 10 Aug 2010 00:34:06 +0000 (+0000)
Subject: remove code setting rw locks to PTHREAD_PROCESS_PRIVATE, which
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=60e72d9ebc2b718929159d8860af2ded21ed8f23;p=oota-llvm.git

remove code setting rw locks to PTHREAD_PROCESS_PRIVATE, which
is the default.  Patch by NAKAMURA Takumi!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110636 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/System/RWMutex.cpp b/lib/System/RWMutex.cpp
index 5faf220eb91..5a33364aa50 100644
--- a/lib/System/RWMutex.cpp
+++ b/lib/System/RWMutex.cpp
@@ -71,23 +71,8 @@ RWMutexImpl::RWMutexImpl()
     bzero(rwlock, sizeof(pthread_rwlock_t));
 #endif
 
-    pthread_rwlockattr_t attr;
-
-    // Initialize the rwlock attributes
-    int errorcode = pthread_rwlockattr_init(&attr);
-    assert(errorcode == 0);
-
-#if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__)
-    // Make it a process local rwlock
-    errorcode = pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_PRIVATE);
-#endif
-
     // Initialize the rwlock
-    errorcode = pthread_rwlock_init(rwlock, &attr);
-    assert(errorcode == 0);
-
-    // Destroy the attributes
-    errorcode = pthread_rwlockattr_destroy(&attr);
+    int errorcode = pthread_rwlock_init(rwlock, NULL);
     assert(errorcode == 0);
 
     // Assign the data member