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* exceptions.cc (ctrl_c_handler): Always send signal to process if it has no

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tty.
This commit is contained in:
Christopher Faylor
2001-05-04 20:39:38 +00:00
parent 8b3bcfbab9
commit 17743fbc49
17 changed files with 63 additions and 76 deletions
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34
winsup/cygwin/thread.cc
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@@ -412,7 +412,7 @@ pthread_cond::BroadCast ()
if (!verifyable_object_isvalid (mutex, PTHREAD_MUTEX_MAGIC))
return;
PulseEvent (win32_obj_id);
while (InterlockedDecrement (&waiting) != 0)
while (ilockdecr (&waiting) != 0)
PulseEvent (win32_obj_id);
mutex = NULL;
}
@@ -798,7 +798,7 @@ __pthread_create (pthread_t * thread, const pthread_attr_t * attr,
*thread = NULL;
return EAGAIN;
}
InterlockedIncrement (&MT_INTERFACE->threadcount);
ilockincr (&MT_INTERFACE->threadcount);
return 0;
}
@@ -1073,7 +1073,7 @@ __pthread_testcancel (void)
/*
* Races in pthread_atfork:
* We are race safe in that any additions to the lists are made via
* InterlockedExchangePointer.
* ilockexch.
* However, if the user application doesn't perform syncronisation of some sort
* It's not guaranteed that a near simultaneous call to pthread_atfork and fork
* will result in the new atfork handlers being calls.
@@ -1084,7 +1084,7 @@ __pthread_testcancel (void)
* will result in an indeterminate order for parent and child calls (what gets inserted
* first isn't guaranteed.)
*
* There is one potential race... Does the result of InterlockedExchangePointer
* There is one potential race... Does the result of ilockexch
* get committed to the return location _before_ any context switches can occur?
* If yes, we're safe, if no, we're not.
*/
@@ -1123,7 +1123,7 @@ __pthread_atforkchild (void)
/* FIXME: implement InterlockExchangePointer and get rid of the silly typecasts below
*/
#define InterlockedExchangePointer InterlockedExchange
/*#define ilockexch ilockExchange */
/* Register a set of functions to run before and after fork.
* prepare calls are called in LI-FC order.
@@ -1165,7 +1165,7 @@ __pthread_atfork (void (*prepare)(void), void (*parent)(void), void (*child)(voi
if (prepcb)
{
prepcb->cb = prepare;
prepcb->next=(callback *)InterlockedExchangePointer ((LONG *) &MT_INTERFACE->pthread_prepare, (long int) prepcb);
prepcb->next=(callback *)ilockexch ((LONG *) &MT_INTERFACE->pthread_prepare, (long int) prepcb);
}
if (parentcb)
{
@@ -1174,7 +1174,7 @@ __pthread_atfork (void (*prepare)(void), void (*parent)(void), void (*child)(voi
while (*t)
t = &(*t)->next;
/* t = pointer to last next in the list */
parentcb->next=(callback *)InterlockedExchangePointer ((LONG *) t, (long int) parentcb);
parentcb->next=(callback *)ilockexch ((LONG *) t, (long int) parentcb);
}
if (childcb)
{
@@ -1183,7 +1183,7 @@ __pthread_atfork (void (*prepare)(void), void (*parent)(void), void (*child)(voi
while (*t)
t = &(*t)->next;
/* t = pointer to last next in the list */
childcb->next=(callback *)InterlockedExchangePointer ((LONG *) t, (long int) childcb);
childcb->next=(callback *)ilockexch ((LONG *) t, (long int) childcb);
}
return 0;
}
@@ -1351,7 +1351,7 @@ __pthread_exit (void *value_ptr)
MT_INTERFACE->destructors.IterateNull ();
thread->return_ptr = value_ptr;
if (InterlockedDecrement (&MT_INTERFACE->threadcount) == 0)
if (ilockdecr (&MT_INTERFACE->threadcount) == 0)
exit (0);
else
ExitThread (0);
@@ -1626,15 +1626,15 @@ __pthread_cond_timedwait (pthread_cond_t * cond, pthread_mutex_t * mutex,
if ((*cond)->waiting)
if ((*cond)->mutex && ((*cond)->mutex != (*themutex)))
return EINVAL;
InterlockedIncrement (&((*cond)->waiting));
ilockincr (&((*cond)->waiting));
(*cond)->mutex = (*themutex);
InterlockedIncrement (&((*themutex)->condwaits));
ilockincr (&((*themutex)->condwaits));
rv = (*cond)->TimedWait (abstime->tv_sec * 1000);
(*cond)->mutex->Lock ();
if (InterlockedDecrement (&((*cond)->waiting)) == 0)
if (ilockdecr (&((*cond)->waiting)) == 0)
(*cond)->mutex = NULL;
InterlockedDecrement (&((*themutex)->condwaits));
ilockdecr (&((*themutex)->condwaits));
return rv;
}
@@ -1657,15 +1657,15 @@ __pthread_cond_wait (pthread_cond_t * cond, pthread_mutex_t * mutex)
if ((*cond)->waiting)
if ((*cond)->mutex && ((*cond)->mutex != (*themutex)))
return EINVAL;
InterlockedIncrement (&((*cond)->waiting));
ilockincr (&((*cond)->waiting));
(*cond)->mutex = (*themutex);
InterlockedIncrement (&((*themutex)->condwaits));
ilockincr (&((*themutex)->condwaits));
rv = (*cond)->TimedWait (INFINITE);
(*cond)->mutex->Lock ();
if (InterlockedDecrement (&((*cond)->waiting)) == 0)
if (ilockdecr (&((*cond)->waiting)) == 0)
(*cond)->mutex = NULL;
InterlockedDecrement (&((*themutex)->condwaits));
ilockdecr (&((*themutex)->condwaits));
return rv;
}