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* configure.in: Remove PTH_ALLOW.

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* cygwin.din: Remove @PTH_ALLOW@ prefixes to pthread functions.
	Add new pthread exports.
	* pthread.cc: New wrapper functions for the above new exports.
	* sched.cc (valid_sched_parameters): New function.
	(sched_setparam): Use it.
	(sched_set_thread_priority): New function. Used by pthread_sched*.
	* thread.cc (pthread_key_destructor::InsertAfter): New function.
	(pthread_key_destructor::UnlinkNext): New function.
	(pthread_key_destructor::Next): New function.
	(pthread_key_destructor_list::Insert): New function.
	(pthread_key_destructor_list::Remove): New function.
	(pthread_key_destructor_list::Pop): New function.
	(pthread_key_destructor::pthread_key_destructor): New function.
	(pthread_key_destructor_list::IterateNull): New function.
	(MTinterface::Init): Initialise new member.
	(pthread::pthread): Initialise new members.
	(pthread::create): Copy new attributes. Set the new thread priority.
	(pthread_attr::pthread_attr): Initialise new members.
	(pthread_key::pthread_key): Setup destructor function.
	(pthread_key::~pthread_key): Remove destructor function.
	(pthread_mutexattr::pthread_mutexattr): New function.
	(pthread_mutexattr::~pthread_mutexattr): New function.
	(__pthread_once): New function.
	(__pthread_cleanup): New function.
	(__pthread_cancel): New function.
	(__pthread_setcancelstate): New function.
	(__pthread_setcanceltype): New function.
	(__pthread_testcancel): New function.
	(__pthread_attr_getinheritsched): New function.
	(__pthread_attr_getschedparam): New function.
	(__pthread_attr_getschedpolicy): New function.
	(__pthread_attr_getscope): New function.
	(__pthread_attr_setinheritsched): New function.
	(__pthread_attr_setschedparam): New function.
	(__pthread_attr_setschedpolicy): New function.
	(__pthread_attr_setscope): New function.
	(__pthread_exit): Call any key destructors on thread exit.
	(__pthread_join): Use the embedded attr values.
	(__pthread_detach): Use the embedded attr values.
	(__pthread_getconcurrency): New function.
	(__pthread_getschedparam): New function.
	(__pthread_key_create): Pass the destructor on object creation.
	(__pthread_key_delete): Correct incorrect prototype.
	(__pthread_setconcurrency): New function.
	(__pthread_setschedparam): New function.
	(__pthread_cond_timedwait): Support static mutex initialisers.
	(__pthread_cond_wait): Ditto.
	(__pthread_mutex_getprioceiling): New function.
	(__pthread_mutex_lock): Support static mutex initialisers.
	(__pthread_mutex_trylock): Ditto.
	(__pthread_mutex_unlock): Ditto.
	(__pthread_mutex_destroy): Ditto.
	(__pthread_mutex_setprioceiling): New function.
	(__pthread_mutexattr_getprotocol): New function.
	(__pthread_mutexattr_getpshared): New function.
	(__pthread_mutexattr_gettype): New function.
	(__pthread_mutexattr_init): New function.
	(__pthread_mutexattr_destroy): New function.
	(__pthread_mutexattr_setprotocol): New function.
	(__pthread_mutexattr_setprioceiling): New function.
	(__pthread_mutexattr_getprioceiling): New function.
	(__pthread_mutexattr_setpshared): New function.
	(__pthread_mutexattr_settype): New function.
	Remove stubs for non MT_SAFE compilation.
	* thread.h: Remove duplicate #defines.
	Add prototypes for new functions in thread.cc.
	(pthread_key_destructor): New class.
	(pthread_key_destructor_list): New class.
	(pthread_attr): Add new members.
	(pthread): Remove members that are duplicated in the pthread_attr class.
	(pthread_mutex_attr): Add new members.
	(pthread_once): New class.
	* include/pthread.h: Add prototypes for new functions exported from cygwin1.dll.
	Remove typedefs.
	* include/sched.h: Add prototypes for new functions in sched.cc.
	* include/cygwin/types.h: Add typedefs from pthread.h
This commit is contained in:
Robert Collins
2001-04-12 04:04:53 +00:00
parent eae0943a1f
commit 5c83f260b8
9 changed files with 1535 additions and 479 deletions
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44
winsup/cygwin/sched.cc
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@@ -81,6 +81,18 @@ sched_get_priority_min (int policy)
return 15;
}
/* Check a scheduler parameter struct for valid settings */
int
valid_sched_parameters(const struct sched_param *param)
{
if (param->sched_priority < -14 || param->sched_priority > 15)
{
return 0;
}
return -1;
}
/* get sched params for process
Note, I'm never returning EPERM,
@@ -273,7 +285,7 @@ sched_setparam (pid_t pid, const struct sched_param *param)
return -1;
}
if (param->sched_priority < -14 || param->sched_priority > 15)
if (!valid_sched_parameters(param))
{
set_errno (EINVAL);
return -1;
@@ -384,6 +396,36 @@ sched_setparam (pid_t pid, const struct sched_param *param)
return 0;
}
/* we map -14 to 15, and 15 to 1 via (16- ((n+16) >> 1)). This lines up with the allowed
* valueswe return elsewhere in the sched* functions. We then map in groups of three to
* allowed thread priority's. The reason for dropping accuracy while still returning
* a wide range of values is to allow more flexible code in the future.
*/
int
sched_set_thread_priority(HANDLE thread, int priority)
{
int real_pri;
real_pri = 16 - ((priority + 16) >> 1);
if (real_pri <1 || real_pri > 15)
return EINVAL;
if (real_pri < 4)
real_pri = THREAD_PRIORITY_LOWEST;
else if (real_pri < 7)
real_pri = THREAD_PRIORITY_BELOW_NORMAL;
else if (real_pri < 10)
real_pri = THREAD_PRIORITY_NORMAL;
else if (real_pri < 13)
real_pri = THREAD_PRIORITY_ABOVE_NORMAL;
else
real_pri = THREAD_PRIORITY_HIGHEST;
if (!SetThreadPriority(thread, real_pri))
/* invalid handle, no access are the only expected errors. */
return EPERM;
return 0;
}
/* set the scheduler */
int
sched_setscheduler (pid_t pid, int policy,