From 45ed58a81f8f391e20bafd289f62da8b494b8c79 Mon Sep 17 00:00:00 2001
From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Thu, 17 Dec 2009 11:09:05 +0000
Subject: [PATCH] re PR libstdc++/42198 ([C++0x] Using std::thread without
-pthread causes immediate crash)
2009-12-17 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/42198
* src/thread.cc (thread::_M_start_thread): Throw system_error
immediately if the thread system is inactive.
From-SVN: r155308
---
libstdc++-v3/ChangeLog | 6 ++++++
libstdc++-v3/src/thread.cc | 3 +++
2 files changed, 9 insertions(+)
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index bf7f50ec99da..05b0c1ec89eb 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2009-12-17 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR libstdc++/42198
+ * src/thread.cc (thread::_M_start_thread): Throw system_error
+ immediately if the thread system is inactive.
+
2009-12-16 Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/21772 part 2
diff --git a/libstdc++-v3/src/thread.cc b/libstdc++-v3/src/thread.cc
index 334e5cb8f1f6..879e864edd4b 100644
--- a/libstdc++-v3/src/thread.cc
+++ b/libstdc++-v3/src/thread.cc
@@ -83,6 +83,9 @@ namespace std
void
thread::_M_start_thread(__shared_base_type __b)
{
+ if (!__gthread_active_p())
+ __throw_system_error(int(errc::operation_not_permitted));
+
__b->_M_this_ptr = __b;
int __e = __gthread_create(&_M_id._M_thread,
&execute_native_thread_routine, __b.get());
--
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