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Date: Sat, 8 Feb 2020 21:47:42 +0000
From: "Kamil Rytarowski" <kamil@netbsd.org>
Subject: CVS commit: pkgsrc/www/firefox52/patches
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Module Name:	pkgsrc
Committed By:	kamil
Date:		Sat Feb  8 21:47:42 UTC 2020

Added Files:
	pkgsrc/www/firefox52/patches: patch-nsprpub_pr_src_pthreads_ptsynch.c

Log Message:
Include patch-nsprpub_pr_src_pthreads_ptsynch.c


To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 \
    pkgsrc/www/firefox52/patches/patch-nsprpub_pr_src_pthreads_ptsynch.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


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Added files:

Index: pkgsrc/www/firefox52/patches/patch-nsprpub_pr_src_pthreads_ptsynch.c
diff -u /dev/null pkgsrc/www/firefox52/patches/patch-nsprpub_pr_src_pthreads_ptsynch.c:1.1
--- /dev/null	Sat Feb  8 21:47:42 2020
+++ pkgsrc/www/firefox52/patches/patch-nsprpub_pr_src_pthreads_ptsynch.c	Sat Feb  8 21:47:42 2020
@@ -0,0 +1,106 @@
+$NetBSD: patch-nsprpub_pr_src_pthreads_ptsynch.c,v 1.1 2020/02/08 21:47:42 kamil Exp $
+
+Workaround buggy usage of pthread_equal().
+
+--- nsprpub/pr/src/pthreads/ptsynch.c.orig	2017-04-11 02:13:22.000000000 +0000
++++ nsprpub/pr/src/pthreads/ptsynch.c
+@@ -30,6 +30,13 @@ static pthread_t pt_zero_tid;  /* a null
+ #endif  /* defined(_PR_DCETHREADS) */
+ #endif  /* defined(DEBUG) */
+ 
++/* XXX, pthread_equal() is misused to compare non-valid thread pointers */
++static int
++pt_pthread_equal(pthread_t t1, pthread_t t2)
++{
++	return t1 == t2;
++}
++
+ #if defined(FREEBSD)
+ /*
+  * On older versions of FreeBSD, pthread_mutex_trylock returns EDEADLK.
+@@ -198,9 +205,9 @@ PR_IMPLEMENT(PRStatus) PR_Unlock(PRLock 
+     PR_ASSERT(lock != NULL);
+     PR_ASSERT(_PT_PTHREAD_MUTEX_IS_LOCKED(lock->mutex));
+     PR_ASSERT(PR_TRUE == lock->locked);
+-    PR_ASSERT(pthread_equal(lock->owner, self));
++    PR_ASSERT(pt_pthread_equal(lock->owner, self));
+ 
+-    if (!lock->locked || !pthread_equal(lock->owner, self))
++    if (!lock->locked || !pt_pthread_equal(lock->owner, self))
+         return PR_FAILURE;
+ 
+     lock->locked = PR_FALSE;
+@@ -223,7 +230,7 @@ PR_IMPLEMENT(void) PR_AssertCurrentThrea
+      * to the correctness of PR_AssertCurrentThreadOwnsLock(), but 
+      * this particular order makes the assertion more likely to
+      * catch errors. */
+-    PR_ASSERT(lock->locked && pthread_equal(lock->owner, pthread_self()));
++    PR_ASSERT(lock->locked && pt_pthread_equal(lock->owner, pthread_self()));
+ }
+ 
+ /**************************************************************/
+@@ -284,7 +291,7 @@ static void pt_PostNotifyToCvar(PRCondVa
+     _PT_Notified *notified = &cvar->lock->notified;
+ 
+     PR_ASSERT(PR_TRUE == cvar->lock->locked);
+-    PR_ASSERT(pthread_equal(cvar->lock->owner, pthread_self()));
++    PR_ASSERT(pt_pthread_equal(cvar->lock->owner, pthread_self()));
+     PR_ASSERT(_PT_PTHREAD_MUTEX_IS_LOCKED(cvar->lock->mutex));
+ 
+     while (1)
+@@ -367,7 +374,7 @@ PR_IMPLEMENT(PRStatus) PR_WaitCondVar(PR
+     PR_ASSERT(_PT_PTHREAD_MUTEX_IS_LOCKED(cvar->lock->mutex));
+     PR_ASSERT(PR_TRUE == cvar->lock->locked);
+     /* and it better be by us */
+-    PR_ASSERT(pthread_equal(cvar->lock->owner, pthread_self()));
++    PR_ASSERT(pt_pthread_equal(cvar->lock->owner, pthread_self()));
+ 
+     if (_PT_THREAD_INTERRUPTED(thred)) goto aborted;
+ 
+@@ -565,7 +572,7 @@ PR_IMPLEMENT(PRIntn) PR_GetMonitorEntryC
+ 
+     rv = pthread_mutex_lock(&mon->lock);
+     PR_ASSERT(0 == rv);
+-    if (pthread_equal(mon->owner, self))
++    if (pt_pthread_equal(mon->owner, self))
+         count = mon->entryCount;
+     rv = pthread_mutex_unlock(&mon->lock);
+     PR_ASSERT(0 == rv);
+@@ -580,7 +587,7 @@ PR_IMPLEMENT(void) PR_AssertCurrentThrea
+     rv = pthread_mutex_lock(&mon->lock);
+     PR_ASSERT(0 == rv);
+     PR_ASSERT(mon->entryCount != 0 &&
+-              pthread_equal(mon->owner, pthread_self()));
++              pt_pthread_equal(mon->owner, pthread_self()));
+     rv = pthread_mutex_unlock(&mon->lock);
+     PR_ASSERT(0 == rv);
+ #endif
+@@ -596,7 +603,7 @@ PR_IMPLEMENT(void) PR_EnterMonitor(PRMon
+     PR_ASSERT(0 == rv);
+     if (mon->entryCount != 0)
+     {
+-        if (pthread_equal(mon->owner, self))
++        if (pt_pthread_equal(mon->owner, self))
+             goto done;
+         while (mon->entryCount != 0)
+         {
+@@ -627,8 +634,8 @@ PR_IMPLEMENT(PRStatus) PR_ExitMonitor(PR
+     PR_ASSERT(0 == rv);
+     /* the entries should be > 0 and we'd better be the owner */
+     PR_ASSERT(mon->entryCount > 0);
+-    PR_ASSERT(pthread_equal(mon->owner, self));
+-    if (mon->entryCount == 0 || !pthread_equal(mon->owner, self))
++    PR_ASSERT(pt_pthread_equal(mon->owner, self));
++    if (mon->entryCount == 0 || !pt_pthread_equal(mon->owner, self))
+     {
+         rv = pthread_mutex_unlock(&mon->lock);
+         PR_ASSERT(0 == rv);
+@@ -675,7 +682,7 @@ PR_IMPLEMENT(PRStatus) PR_Wait(PRMonitor
+     /* the entries better be positive */
+     PR_ASSERT(mon->entryCount > 0);
+     /* and it better be owned by us */
+-    PR_ASSERT(pthread_equal(mon->owner, pthread_self()));
++    PR_ASSERT(pt_pthread_equal(mon->owner, pthread_self()));
+ 
+     /* tuck these away 'till later */
+     saved_entries = mon->entryCount; 


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