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// file : cult/sched/thread.hxx
// author : Boris Kolpackov <boris@kolpackov.net>
// copyright : Copyright (c) 2005-2010 Boris Kolpackov
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#ifndef CULT_SCHED_THREAD_HXX
#define CULT_SCHED_THREAD_HXX
#include <cult/types/fundamental.hxx>
#include <cult/types/shptr.hxx>
#include <cult/sched/mutex.hxx>
#include <cult/sched/exception.hxx>
#include <cult/mm/new.hxx>
#include <pthread.h>
namespace Cult
{
namespace Sched
{
// Instantiating an automatic variable of type Thread results
// in undefined behavior (read core dump).
//
class Thread: public MM::ServiceAwareObject
{
public:
struct Exception: virtual Sched::Exception {};
public:
virtual
~Thread ();
Thread (Void* (*StartRoutine) (Void*), Void* arg = 0);
// Adopt an existing thread. Adoption of a detached thread
// results in undefined behavior. Adoption of an already
// adopted thread results in Adopted exception.
//
struct Adopted: virtual Exception {};
Thread ();
public:
// Joining an already joined thread results in Joined exception.
//
struct Joined: virtual Exception {};
//@@ Need to work out the cancelled case.
//
Void*
join ();
Void
cancel ();
public:
static Void
exit (Void* ret);
// self() may not be called in TSD destructors. Call to self() from
// a foreign thread (i.e., one that is neither native nor adopted)
// results in Foreign exception.
//
struct Foreign: virtual Exception {};
static Shptr<Thread>
self ();
static Void
test_cancel ();
private:
pthread_t id_;
Boolean detached_;
Mutex mutex_;
};
}
}
#endif // CULT_SCHED_THREAD_HXX
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