From 0ecd0823fdd0833e3753f3f2a9889baf5c565179 Mon Sep 17 00:00:00 2001 From: corinna Date: Wed, 24 Aug 2011 15:18:16 +0000 Subject: [PATCH] * 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. --- winsup/cygwin/ChangeLog | 9 +++++++++ winsup/cygwin/thread.cc | 4 ++-- winsup/cygwin/thread.h | 2 +- 3 files changed, 12 insertions(+), 3 deletions(-) diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 0eb9dcf6ee..1308ffa390 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,12 @@ +2011-08-24 Corinna Vinschen + + * 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 * thread.cc (pthread::exit): Create dummy tls structure to hold diff --git a/winsup/cygwin/thread.cc b/winsup/cygwin/thread.cc index 953e0c9f82..2f7d794607 100644 --- a/winsup/cygwin/thread.cc +++ b/winsup/cygwin/thread.cc @@ -382,7 +382,7 @@ pthread::pthread ():verifyable_object (PTHREAD_MAGIC), win32_obj_id (0), { if (this != pthread_null::get_null_pthread ()) threads.insert (this); - parent_tls = &_my_tls; + sigprocmask (SIG_SETMASK, NULL, &parent_sigmask); } pthread::~pthread () @@ -1985,7 +1985,7 @@ pthread::thread_init_wrapper (void *arg) // if thread is detached force cleanup on exit if (thread->attr.joinable == PTHREAD_CREATE_DETACHED && thread->joiner == NULL) thread->joiner = thread; - _my_tls.sigmask = thread->parent_tls->sigmask; + _my_tls.sigmask = thread->parent_sigmask; thread->mutex.unlock (); thread_printf ("started thread %p %p %p %p %p %p", arg, &_my_tls.local_clib, diff --git a/winsup/cygwin/thread.h b/winsup/cygwin/thread.h index 76997d628e..a6e53a174d 100644 --- a/winsup/cygwin/thread.h +++ b/winsup/cygwin/thread.h @@ -444,7 +444,7 @@ private: DWORD thread_id; __pthread_cleanup_handler *cleanup_stack; pthread_mutex mutex; - _cygtls *parent_tls; + sigset_t parent_sigmask; void suspend_except_self (); void resume (); -- 2.11.0