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Sun Apr 22 20:22:00 2001 Robert Collins <rbtcollins@hotmail.com>

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* passwd.cc (getpwuid): Check for thread cancellation.
	(getpwuid_r): Ditto.
	(getpwname): Ditto.
	(getpwnam_r): Ditto.
	* thread.h (pthread_mutex): New constructors for pshared operation.
	(MTinterface): Associative array for pshared mutex's.
	* thread.cc (MTinterface::Init): Initailize pshared mutex array.
	(pthread_cond::BroadCast): Implementation notes.
	(pthread_cond::TimedWait): Remove use of SignalObjectAndWait on non-NT systems.
	(pthread_mutex::pthread_mutex(unsigned short)): New function.
	(pthread_mutex::pthread_mutex (pthread_mutex_t *, pthread_mutexattr *)):New function.
	(pthread_mutex::pthread_mutex(pthread_mutexattr *)): Fail on pshared mutex's.
	(__pthread_mutex_getpshared): New function.
	(__pthread_join): Check for thread cancellation.
	(__pthread_cond_timedwait): Support pshared mutex's.
	(__pthread_cond_wait): Ditto.
	(__pthread_condattr_setpshared): Error on PROCESS_SHARED requests.
	(__pthread_mutex_init): Support pshared mutex's.
	(__pthread_mutex_getprioceiling): Ditto.
	(__pthread_mutex_lock): Ditto.
	(__pthread_mutex_trylock): Ditto.
	(__pthread_mutex_unlock): Ditto.
	(__pthread_mutex_destroy): Ditto.
	(__pthread_mutex_setprioceiling): Ditto.
	(__pthread_mutexattr_setpshared): Support PTHREAD_PROCESS_PSHARED requests.
This commit is contained in:
Robert Collins
2001-04-21 14:23:47 +00:00
parent 8c9df1d571
commit 9450ad0d02
4 changed files with 276 additions and 37 deletions
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10
winsup/cygwin/thread.h
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@@ -263,12 +263,15 @@ class pthread_mutex:public verifyable_object
public:
HANDLE win32_obj_id;
LONG condwaits;
int pshared;
int Lock ();
int TryLock ();
int UnLock ();
pthread_mutex (unsigned short);
pthread_mutex (pthread_mutexattr *);
pthread_mutex (pthread_mutex_t *, pthread_mutexattr *);
~pthread_mutex ();
};
@@ -345,6 +348,11 @@ public:
callback *pthread_child;
callback *pthread_parent;
/* this is an associative array for the _exclusive_ use of pshared mutex's
* normal mutex's don't go here to reduce overhead and prevent serialisation.
*/
class pthread_mutex * pshared_mutexs[256];
void Init (int);
MTinterface ():reent_index (0), indexallocated (0), threadcount (1)