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* thread.cc: Change 1==foo equations to foo==1 throughout.

This commit is contained in:
Thomas Pfaff 2003-03-27 19:57:06 +00:00
parent 15648790f4
commit eff6c00e19
2 changed files with 17 additions and 13 deletions
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4
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,7 @@
2003-03-27 Thomas Pfaff <tpfaff@gmx.net>
* thread.cc: Change 1==foo equations to foo==1 throughout.
2003-03-27 Thomas Pfaff <tpfaff@gmx.net>
* thread.h: Change class names, methods, members and local vars

26
winsup/cygwin/thread.cc
View File

@ -606,7 +606,7 @@ pthread::testcancel (void)
if (cancelstate == PTHREAD_CANCEL_DISABLE)
return;
if (WAIT_OBJECT_0 == WaitForSingleObject (cancel_event, 0))
if (WaitForSingleObject (cancel_event, 0) == WAIT_OBJECT_0)
cancel_self ();
}
@ -904,7 +904,7 @@ pthread_cond::wait (pthread_mutex_t mutex, DWORD dwMilliseconds)
DWORD rv;
mtx_in.lock ();
if (1 == InterlockedIncrement ((long *)&waiting))
if (InterlockedIncrement ((long *)&waiting) == 1)
mtx_cond = mutex;
else if (mtx_cond != mutex)
{
@ -931,7 +931,7 @@ pthread_cond::wait (pthread_mutex_t mutex, DWORD dwMilliseconds)
* or timed out. Try to take one.
* If the thread gets one than a signal|broadcast is in progress.
*/
if (WAIT_OBJECT_0 == WaitForSingleObject (sem_wait, 0))
if (WaitForSingleObject (sem_wait, 0) == WAIT_OBJECT_0)
/*
* thread got cancelled ot timed out while a signalling is in progress.
* Set wait result back to signaled
@ -941,7 +941,7 @@ pthread_cond::wait (pthread_mutex_t mutex, DWORD dwMilliseconds)
InterlockedDecrement ((long *)&waiting);
if (rv == WAIT_OBJECT_0 && 0 == --pending)
if (rv == WAIT_OBJECT_0 && --pending == 0)
/*
* All signaled threads are released,
* new threads can enter Wait
@ -1450,7 +1450,7 @@ pthread_mutex::can_be_unlocked (pthread_mutex_t const *mutex)
/*
* Check if the mutex is owned by the current thread and can be unlocked
*/
return (pthread_equal ((*mutex)->owner, self)) && 1 == (*mutex)->recursion_counter;
return ((*mutex)->recursion_counter == 1 && pthread_equal ((*mutex)->owner, self));
}
List<pthread_mutex> pthread_mutex::mutexes;
@ -1510,12 +1510,12 @@ pthread_mutex::_lock (pthread_t self)
{
int result = 0;
if (1 == InterlockedIncrement ((long *)&lock_counter))
if (InterlockedIncrement ((long *)&lock_counter) == 1)
set_owner (self);
else if (PTHREAD_MUTEX_NORMAL != type && pthread_equal (owner, self))
else if (type != PTHREAD_MUTEX_NORMAL && pthread_equal (owner, self))
{
InterlockedDecrement ((long *) &lock_counter);
if (PTHREAD_MUTEX_RECURSIVE == type)
if (type == PTHREAD_MUTEX_RECURSIVE)
result = lock_recursive ();
else
result = EDEADLK;
@ -1534,9 +1534,9 @@ pthread_mutex::_trylock (pthread_t self)
{
int result = 0;
if (0 == InterlockedCompareExchange ((long *)&lock_counter, 1, 0 ))
if (InterlockedCompareExchange ((long *)&lock_counter, 1, 0 ) == 0)
set_owner (self);
else if (PTHREAD_MUTEX_RECURSIVE == type && pthread_equal (owner, self))
else if (type == PTHREAD_MUTEX_RECURSIVE && pthread_equal (owner, self))
result = lock_recursive ();
else
result = EBUSY;
@ -1550,7 +1550,7 @@ pthread_mutex::_unlock (pthread_t self)
if (!pthread_equal (owner, self))
return EPERM;
if (0 == --recursion_counter)
if (--recursion_counter == 0)
{
owner = NULL;
if (InterlockedDecrement ((long *)&lock_counter))
@ -1585,7 +1585,7 @@ pthread_mutex::_fixup_after_fork ()
if (pshared != PTHREAD_PROCESS_PRIVATE)
api_fatal ("pthread_mutex::_fixup_after_fork () doesn'tunderstand PROCESS_SHARED mutex's");
if (NULL == owner)
if (owner == NULL)
/* mutex has no owner, reset to initial */
lock_counter = 0;
else if (lock_counter != 0)
@ -2196,7 +2196,7 @@ pthread::detach (pthread_t *thread)
}
// check if thread is still alive
if (WAIT_TIMEOUT == WaitForSingleObject ((*thread)->win32_obj_id, 0))
if (WaitForSingleObject ((*thread)->win32_obj_id, 0) == WAIT_TIMEOUT)
{
// force cleanup on exit
(*thread)->joiner = *thread;