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* thread.cc (pthread::pthread): Drop setting parent_tls. Call

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sigprocmask to copy parent thread signal mask into new parent_sigmask
	member.
	(pthread::thread_init_wrapper): Copy _my_tls.sigmask from new
	parent_sigmask member.
	* thread.h (class pthread): Drop parent_tls.  Add parent_sigmask.
This commit is contained in:
Corinna Vinschen 2011-08-24 15:18:17 +00:00
parent 8323a37d5d
commit 929a140824
3 changed files with 12 additions and 3 deletions
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9
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,12 @@
2011-08-24 Corinna Vinschen <corinna@vinschen.de>
* thread.cc (pthread::pthread): Drop setting parent_tls. Call
sigprocmask to copy parent thread signal mask into new parent_sigmask
member.
(pthread::thread_init_wrapper): Copy _my_tls.sigmask from new
parent_sigmask member.
* thread.h (class pthread): Drop parent_tls. Add parent_sigmask.
2011-08-24 Christopher Faylor <me.cygwin2011@cgf.cx> 2011-08-24 Christopher Faylor <me.cygwin2011@cgf.cx>
* thread.cc (pthread::exit): Create dummy tls structure to hold * thread.cc (pthread::exit): Create dummy tls structure to hold

4
winsup/cygwin/thread.cc
View File

@ -382,7 +382,7 @@ pthread::pthread ():verifyable_object (PTHREAD_MAGIC), win32_obj_id (0),
{ {
if (this != pthread_null::get_null_pthread ()) if (this != pthread_null::get_null_pthread ())
threads.insert (this); threads.insert (this);
parent_tls = &_my_tls; sigprocmask (SIG_SETMASK, NULL, &parent_sigmask);
} }
pthread::~pthread () pthread::~pthread ()
@ -1985,7 +1985,7 @@ pthread::thread_init_wrapper (void *arg)
// if thread is detached force cleanup on exit // if thread is detached force cleanup on exit
if (thread->attr.joinable == PTHREAD_CREATE_DETACHED && thread->joiner == NULL) if (thread->attr.joinable == PTHREAD_CREATE_DETACHED && thread->joiner == NULL)
thread->joiner = thread; thread->joiner = thread;
_my_tls.sigmask = thread->parent_tls->sigmask; _my_tls.sigmask = thread->parent_sigmask;
thread->mutex.unlock (); thread->mutex.unlock ();
thread_printf ("started thread %p %p %p %p %p %p", arg, &_my_tls.local_clib, thread_printf ("started thread %p %p %p %p %p %p", arg, &_my_tls.local_clib,

2
winsup/cygwin/thread.h
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@ -444,7 +444,7 @@ private:
DWORD thread_id; DWORD thread_id;
__pthread_cleanup_handler *cleanup_stack; __pthread_cleanup_handler *cleanup_stack;
pthread_mutex mutex; pthread_mutex mutex;
_cygtls *parent_tls; sigset_t parent_sigmask;
void suspend_except_self (); void suspend_except_self ();
void resume (); void resume ();