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* cygtls.h (_cygtls::reset_signal_arrived): Actually reset the signal_arrived

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event.
(_cygtls::handle_SIGCONT): Declare ew function.
* cygwait.cc (is_cw_sig_handle): Delete.
(is_cw_sig_cont): New convenience define.
(cygwait): Clear signal if is_cw_sig_cont and we got a SIGCONT.
* cygwait.h (cw_wait_mask): Add cw_sig_cont.
* exceptions.cc (sig_handle_tty_stop): Tighten "incyg" region.  Use cw_sig_cont
param for cygwait.  Don't zero signal here outside of lock.
(sigpacket::setup_handler): Don't check for in_forkee since we will now never
get here in that state.
(_cygtls::handle_SIGCONT): Define new function.
(sigpacket::process): Call handle_SIGCONT early to deal with SIGCONT.  Nuke
continue_now handling.  Allow SIGKILL to kill a suspended process.  Delete a
couple of now-unneeded labels.
(_cygtls::call_signal_handler): Reorganize setting of incyg within lock.
* sigproc.cc (pending_signals): Simplify.
(pending_signals::clear): New method.
(_cygtls::remove_wq): Reorganize to always close wq.thread_ev if it exists to
avoid handle leaks.
(sig_clear): Simplify by just calling sigq.clear().
(sig_dispatch_pending): Always call sigq.pending even in signal thread to force
another loop in wait_sig.
(sig_send): Remove a "goto out" just before out: label.
(pending_signals::add): Simplify.
(pending_signals::del): Delete.
(pending_signals::next): Delete.
(wait_sig): Define variable q to be the start of the signal queue.  Just
iterate through sigq queue, deleting processed or zeroed signals.  Only set
clearwait when the current signal is SIGCHLD.
* sigproc.h: Add a comment about an unused enum.
This commit is contained in:
Christopher Faylor
2013-04-09 01:01:19 +00:00
parent 037ad80a52
commit 9d2155089e
7 changed files with 156 additions and 141 deletions
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5
winsup/cygwin/cygwait.h
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@@ -1,6 +1,6 @@
/* cygwait.h
Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Red Hat, Inc.
This file is part of Cygwin.
@@ -19,7 +19,8 @@ enum cw_wait_mask
cw_cancel = 0x0001,
cw_cancel_self = 0x0002,
cw_sig = 0x0004,
cw_sig_eintr = 0x0008
cw_sig_eintr = 0x0008,
cw_sig_cont = 0x0010
};
extern LARGE_INTEGER cw_nowait_storage;