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* sigproc.h (no_thread_exit_protect): New class.

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* sigproc.cc (thread_exit): Use no_thread_exit_protect to determine if we need
to coordinate ThreadExit/ExitProcess.
* fhandler_dsp.cc (fhandler_dev_dsp::Audio_out::stop): Use
no_thread_exit_protect to kludge around waiting for waveOutClose as it waits
for a thread that never exits.
(fhandler_dev_dsp::Audio_in::stop): Ditto for waveInClose.
* fhandler.h (fhandler_dev_dsp::base): New method.
(fhandler_dev_dsp::_read): Ditto.
(fhandler_dev_dsp::_write): Ditto.
(fhandler_dev_dsp::_ioctl): Ditto.
(fhandler_dev_dsp::_fixup_after_fork): Ditto.
(fhandler_dev_dsp::_fixup_after_exec): Ditto.
* fhandler_dsp.cc (fhandler_dev_dsp::read): Call real function via base()
pointer.
(fhandler_dev_dsp::write): Ditto.
(fhandler_dev_dsp::ioctl): Ditto.
(fhandler_dev_dsp::fixup_after_fork): Ditto.
(fhandler_dev_dsp::fixup_after_exec): Ditto.
(fhandler_dev_dsp::_read): Rename by adding an leading underscore.
(fhandler_dev_dsp::_write): Ditto.
(fhandler_dev_dsp::_ioctl): Ditto.
(fhandler_dev_dsp::_fixup_after_fork): Ditto.
(fhandler_dev_dsp::_fixup_after_exec): Ditto.
This commit is contained in:
Christopher Faylor
2014-03-17 04:41:35 +00:00
parent 600afd99ab
commit 4f0b5a097d
5 changed files with 97 additions and 7 deletions
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6
winsup/cygwin/sigproc.cc
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@@ -39,6 +39,8 @@ struct sigaction *global_sigs;
const char *__sp_fn ;
int __sp_ln;
bool no_thread_exit_protect::flag;
char NO_COPY myself_nowait_dummy[1] = {'0'};// Flag to sig_send that signal goes to
// current process but no wait is required
@@ -446,6 +448,8 @@ void
exit_thread (DWORD res)
{
# undef ExitThread
if (no_thread_exit_protect ())
ExitThread (res);
sigfillset (&_my_tls.sigmask); /* No signals wanted */
lock_process for_now; /* May block indefinitely when exiting. */
HANDLE h;
@@ -465,7 +469,7 @@ exit_thread (DWORD res)
siginfo_t si = {__SIGTHREADEXIT, SI_KERNEL};
si.si_cyg = h;
sig_send (myself_nowait, si, &_my_tls);
ExitThread (0);
ExitThread (res);
}
int __reg3