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* sigproc.h (class sigframe): Implement 'unregister()' method.

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(sigframe::~sigframe): Use unregister method.
(sigframe::call_signal_handler): Declare new method.
* exceptions.cc (sigframe::call_signal_handler): New method.  Unregisters
current sigframe before calling signal handler.
(setup_handler): Clear waiting threads prior to arming signal_arrived.
* syscalls.cc (_read): Change goto to loop.  Recalculate sigframe inside of
loop so that constructor is called when appropriate.
* wait.cc (wait4): Ditto.
* signal.cc: Change "sig" to "signal" in debugging messages throughout.
* sigproc.cc: Ditto.
This commit is contained in:
Christopher Faylor
2001-04-01 00:06:17 +00:00
parent ab57d14639
commit f611148366
7 changed files with 156 additions and 122 deletions
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22
winsup/cygwin/sigproc.h
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@ -49,6 +49,17 @@ class sigframe
{
private:
sigthread *st;
void unregister ()
{
if (st)
{
EnterCriticalSection (&st->lock);
st->frame = 0;
st->release_winapi_lock ();
LeaveCriticalSection (&st->lock);
st = NULL;
}
}
public:
void set (sigthread &t, DWORD ebp)
@ -70,15 +81,10 @@ public:
}
~sigframe ()
{
if (st)
{
EnterCriticalSection (&st->lock);
st->frame = 0;
st->release_winapi_lock ();
LeaveCriticalSection (&st->lock);
st = NULL;
}
unregister ();
}
int call_signal_handler ();
};
extern sigthread mainthread;