From: Corinna Vinschen <corinna@vinschen.de>
Date: Fri, 30 Oct 2015 16:21:30 +0000 (+0100)
Subject: Avoid double unlock of TLS mutex
X-Git-Tag: cygwin-2_3_0-release~20
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=4a407e9037b476febcda43eba568f610107d84e6;p=newlib-cygwin.git

Avoid double unlock of TLS mutex

	* exceptions.cc (sigpacket::process): Avoid potentially double unlocking
	the TLS mutex.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
---

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 3fb4372ac..3c489d194 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,5 +1,10 @@
 2015-10-30  Corinna Vinschen  <corinna@vinschen.de>
 
+	* exceptions.cc (sigpacket::process): Avoid potentially double unlocking
+	the TLS mutex.
+
+2015-10-30  Corinna Vinschen  <corinna@vinschen.d>
+
 	* signal.cc (sigwait): Fix return value to reflect errno in case of
 	error according to POSIX.  Never return EINTR.
 	* thread.cc (pthread_kill): Return errno if sig_send failed.
diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc
index 60f09d654..9119a8c08 100644
--- a/winsup/cygwin/exceptions.cc
+++ b/winsup/cygwin/exceptions.cc
@@ -1475,10 +1475,7 @@ sigpacket::process ()
 	  else if (!sigismember (&tls->sigmask, si.si_signo))
 	    issig_wait = false;
 	  else
-	    {
-	      cygheap->unlock_tls (tl_entry);
-	      tls = NULL;
-	    }
+	    tls = NULL;
 	}
     }