[p5sagit/p5-mst-13.2.git] / ext / threads / threads.xs

#include "threads.h"

/*
 *	Starts executing the thread. Needs to clean up memory a tad better.
 */

#ifdef WIN32
THREAD_RET_TYPE Perl_thread_run(LPVOID arg) {
#else
void* Perl_thread_run(void * arg) {
#endif
	ithread* thread = (ithread*) arg;
	SV* thread_tid_ptr;
	SV* thread_ptr;
	dTHXa(thread->interp);
	PERL_SET_CONTEXT(thread->interp);

#ifdef WIN32
	thread->thr = GetCurrentThreadId();
#else
	thread->thr = pthread_self();
#endif

	SHAREDSvLOCK(threads);
	SHAREDSvEDIT(threads);
	PERL_THREAD_ALLOC_SPECIFIC(self_key);
	PERL_THREAD_SETSPECIFIC(self_key,INT2PTR(void*,thread->tid));
	thread_tid_ptr = Perl_newSVuv(PL_sharedsv_space, thread->tid);	
	thread_ptr = Perl_newSVuv(PL_sharedsv_space, PTR2UV(thread));
	hv_store_ent((HV*)SHAREDSvGET(threads), thread_tid_ptr, thread_ptr,0);
   	SvREFCNT_dec(thread_tid_ptr);
	SHAREDSvRELEASE(threads);
	SHAREDSvUNLOCK(threads);
	PL_perl_destruct_level = 2;

	{

		AV* params;
		I32 len;
		int i;
		dSP;
		params = (AV*) SvRV(thread->params);
		len = av_len(params);
		ENTER;
		SAVETMPS;
		PUSHMARK(SP);
		if(len > -1) {
			for(i = 0; i < len + 1; i++) {
				XPUSHs(av_shift(params));
			}	
		}
		PUTBACK;
	 	call_sv(thread->init_function, G_DISCARD);
		FREETMPS;
		LEAVE;


	}

	MUTEX_LOCK(&thread->mutex);
	PerlIO_flush((PerlIO*)NULL);
 	perl_destruct(thread->interp);	
	perl_free(thread->interp);
	if(thread->detached == 1) {
		MUTEX_UNLOCK(&thread->mutex);
		Perl_thread_destruct(thread);
	} else {
	  	MUTEX_UNLOCK(&thread->mutex);
   	}
#ifdef WIN32
	return (DWORD)0;
#else
	return 0;
#endif

}

/*
 * iThread->create();
 */

SV* Perl_thread_create(char* class, SV* init_function, SV* params) {
	ithread* thread = malloc(sizeof(ithread));
  	SV*      obj_ref;
  	SV*      obj;
	SV*		temp_store;
	PerlInterpreter *current_perl;

	MUTEX_LOCK(&create_mutex);  
	obj_ref = newSViv(0);
	obj = newSVrv(obj_ref, class);
	sv_setiv(obj, (IV)thread);
	SvREADONLY_on(obj);

	current_perl = PERL_GET_CONTEXT;	

	/*
	 * here we put the values of params and function to call onto
	 * namespace, this is so perl will properly clone them when we
	 * call perl_clone.
	 */

	temp_store = Perl_get_sv(current_perl, "threads::paramtempstore",
				 TRUE | GV_ADDMULTI);
	Perl_sv_setsv(current_perl, temp_store,params);
	params = NULL;
	temp_store = NULL;

	temp_store = Perl_get_sv(current_perl, "threads::calltempstore",
				 TRUE | GV_ADDMULTI);
	Perl_sv_setsv(current_perl,temp_store, init_function);
	init_function = NULL;
	temp_store = NULL;

#ifdef WIN32
	thread->interp = perl_clone(current_perl, 4);
#else
	thread->interp = perl_clone(current_perl, 0);
#endif

	thread->init_function = newSVsv(Perl_get_sv(thread->interp,
						    "threads::calltempstore",FALSE));
	thread->params = newSVsv(Perl_get_sv(thread->interp,
					     "threads::paramtempstore",FALSE));

	/*
	 * And here we make sure we clean up the data we put in the
	 * namespace of iThread, both in the new and the calling
	 * inteprreter */

	temp_store = Perl_get_sv(thread->interp, "threads::paramtempstore",FALSE);
	Perl_sv_setsv(thread->interp,temp_store, &PL_sv_undef);

	temp_store = Perl_get_sv(thread->interp,"threads::calltempstore",FALSE);
	Perl_sv_setsv(thread->interp,temp_store, &PL_sv_undef);

	PERL_SET_CONTEXT(current_perl);

	temp_store = Perl_get_sv(current_perl,"threads::paramtempstore",FALSE);
	Perl_sv_setsv(current_perl, temp_store, &PL_sv_undef);

	temp_store = Perl_get_sv(current_perl,"threads::calltempstore",FALSE);
	Perl_sv_setsv(current_perl, temp_store, &PL_sv_undef);

	/* let's init the thread */

	MUTEX_INIT(&thread->mutex);
	thread->tid = tid_counter++;
	thread->detached = 0;
	thread->count = 1;

#ifdef WIN32

	thread->handle = CreateThread(NULL, 0, Perl_thread_run,
			(LPVOID)thread, 0, &thread->thr);


#else
#ifdef OLD_PTHREADS_API
	{
	  static pthread_attr_t attr;
	  static int attr_inited = 0;
	  sigset_t fullmask, oldmask;
	  static int attr_joinable = PTHREAD_CREATE_JOINABLE;
	  if (!attr_inited) {
	    attr_inited = 1;
	    pthread_attr_init(&attr);
	  }
#  ifdef PTHREAD_ATTR_SETDETACHSTATE
            PTHREAD_ATTR_SETDETACHSTATE(&attr, attr_joinable);
#  endif

	  pthread_create( &thread->thr, attr, Perl_thread_run, (void *)thread);
	}
#else
	pthread_create( &thread->thr, (pthread_attr_t*)NULL, Perl_thread_run, (void *)thread);
#endif
#endif
	MUTEX_UNLOCK(&create_mutex);	

	return obj_ref;
}

/*
 * returns the id of the thread
 */
I32 Perl_thread_tid (SV* obj) {
	ithread* thread;
	if(!SvROK(obj)) {
		obj = Perl_thread_self(SvPV_nolen(obj));
		thread = (ithread*)SvIV(SvRV(obj));	
		SvREFCNT_dec(obj);
	} else {
		thread = (ithread*)SvIV(SvRV(obj));	
	}
	return thread->tid;
}

SV* Perl_thread_self (char* class) {
	dTHX;
	SV*      obj_ref;
	SV*      obj;
	SV*	thread_tid_ptr;
	SV*	thread_ptr;
	HE*	thread_entry;
	void*   id;
	PERL_THREAD_GETSPECIFIC(self_key,id);
	SHAREDSvLOCK(threads);
	SHAREDSvEDIT(threads);
	
	thread_tid_ptr = Perl_newSVuv(PL_sharedsv_space, PTR2UV(id));	

	thread_entry = Perl_hv_fetch_ent(PL_sharedsv_space,
					 (HV*) SHAREDSvGET(threads),
					 thread_tid_ptr, 0,0);
	thread_ptr = HeVAL(thread_entry);
	SvREFCNT_dec(thread_tid_ptr);	
	SHAREDSvRELEASE(threads);
	SHAREDSvUNLOCK(threads);

	obj_ref = newSViv(0);
	obj = newSVrv(obj_ref, class);
   	sv_setsv(obj, thread_ptr);
   	SvREADONLY_on(obj);
	return obj_ref;
}

/*
 * joins the thread this code needs to take the returnvalue from the
 * call_sv and send it back */

void Perl_thread_join(SV* obj) {
	ithread* thread = (ithread*)SvIV(SvRV(obj));
#ifdef WIN32
	DWORD waitcode;
	waitcode = WaitForSingleObject(thread->handle, INFINITE);
#else
	void *retval;
	pthread_join(thread->thr,&retval);
#endif
}

/* detaches a thread
 * needs to better clean up memory */

void Perl_thread_detach(SV* obj) {
	ithread* thread = (ithread*)SvIV(SvRV(obj));
	MUTEX_LOCK(&thread->mutex);
	thread->detached = 1;
	PERL_THREAD_DETACH(thread->thr);
	MUTEX_UNLOCK(&thread->mutex);
}

void Perl_thread_DESTROY (SV* obj) {
	ithread* thread = (ithread*)SvIV(SvRV(obj));
	
	MUTEX_LOCK(&thread->mutex);
	thread->count--;
	MUTEX_UNLOCK(&thread->mutex);
	Perl_thread_destruct(thread);
}

void Perl_thread_destruct (ithread* thread) {
	return;
	MUTEX_LOCK(&thread->mutex);
	if(thread->count != 0) {
		MUTEX_UNLOCK(&thread->mutex);
		return;	
	}
	MUTEX_UNLOCK(&thread->mutex);
	/* it is safe noone is holding a ref to this */
	/*printf("proper destruction!\n");*/
}

MODULE = threads		PACKAGE = threads		
BOOT:
	Perl_sharedsv_init(aTHX);
	PL_perl_destruct_level = 2;
	threads = Perl_sharedsv_new(aTHX);
	SHAREDSvEDIT(threads);
	SHAREDSvGET(threads) = (SV *)newHV();
	SHAREDSvRELEASE(threads);
	{
	    
	
	    SV* temp = get_sv("threads::sharedsv_space", TRUE | GV_ADDMULTI);
	    SV* temp2 = newSViv((IV)PL_sharedsv_space );
	    sv_setsv( temp , temp2 );
	}
	{
		ithread* thread = malloc(sizeof(ithread));
		SV* thread_tid_ptr;
		SV* thread_ptr;
		MUTEX_INIT(&thread->mutex);
		thread->tid = 0;
#ifdef WIN32
		thread->thr = GetCurrentThreadId();
#else
		thread->thr = pthread_self();
#endif
		SHAREDSvEDIT(threads);
		PERL_THREAD_ALLOC_SPECIFIC(self_key);
		PERL_THREAD_SETSPECIFIC(self_key,0);
		thread_tid_ptr = Perl_newSVuv(PL_sharedsv_space, 0);
		thread_ptr = Perl_newSVuv(PL_sharedsv_space, PTR2UV(thread));
		hv_store_ent((HV*) SHAREDSvGET(threads), thread_tid_ptr, thread_ptr,0);
	   	SvREFCNT_dec(thread_tid_ptr);
		SHAREDSvRELEASE(threads);
	}
	MUTEX_INIT(&create_mutex);

PROTOTYPES: DISABLE

SV *
create (class, function_to_call, ...)
        char *  class
        SV *    function_to_call
		CODE:
			AV* params = newAV();
			if(items > 2) {
				int i;
				for(i = 2; i < items ; i++) {
					av_push(params, ST(i));
				}
			}
			RETVAL = Perl_thread_create(class, function_to_call, newRV_noinc((SV*) params));
			OUTPUT:
			RETVAL

SV *
self (class)
		char* class
	CODE:
		RETVAL = Perl_thread_self(class);
	OUTPUT:
		RETVAL

int
tid (obj)	
		SV *	obj;
	CODE:
		RETVAL = Perl_thread_tid(obj);
	OUTPUT:
	RETVAL

void
join (obj)
        SV *    obj
        PREINIT:
        I32* temp;
        PPCODE:
        temp = PL_markstack_ptr++;
        Perl_thread_join(obj);
        if (PL_markstack_ptr != temp) {
          /* truly void, because dXSARGS not invoked */
          PL_markstack_ptr = temp;
          XSRETURN_EMPTY; /* return empty stack */
        }
        /* must have used dXSARGS; list context implied */
        return; /* assume stack size is correct */

void
detach (obj)
        SV *    obj
        PREINIT:
        I32* temp;
        PPCODE:
        temp = PL_markstack_ptr++;
        Perl_thread_detach(obj);
        if (PL_markstack_ptr != temp) {
          /* truly void, because dXSARGS not invoked */
          PL_markstack_ptr = temp;
          XSRETURN_EMPTY; /* return empty stack */
        }
        /* must have used dXSARGS; list context implied */
        return; /* assume stack size is correct */

void
DESTROY (obj)
        SV *    obj
        PREINIT:
        I32* temp;
        PPCODE:
        temp = PL_markstack_ptr++;
        Perl_thread_DESTROY(obj);
        if (PL_markstack_ptr != temp) {
          /* truly void, because dXSARGS not invoked */
          PL_markstack_ptr = temp;
          XSRETURN_EMPTY; /* return empty stack */
        }
        /* must have used dXSARGS; list context implied */
        return; /* assume stack size is correct */
Commit	Line	Data
47ba8780	1	#include "threads.h"
47ba8780	2
47ba8780	3	/*
b1edfb69	4	* Starts executing the thread. Needs to clean up memory a tad better.
b1edfb69	5	*/
47ba8780	6
47ba8780	7	#ifdef WIN32
e6e315b9	8	THREAD_RET_TYPE Perl_thread_run(LPVOID arg) {
47ba8780	9	#else
e8f2bb9a	10	void* Perl_thread_run(void * arg) {
47ba8780	11	#endif
5b414d21	12	ithread* thread = (ithread*) arg;
47ba8780	13	SV* thread_tid_ptr;
	14	SV* thread_ptr;
	15	dTHXa(thread->interp);
47ba8780	16	PERL_SET_CONTEXT(thread->interp);
	17
	18	#ifdef WIN32
	19	thread->thr = GetCurrentThreadId();
	20	#else
	21	thread->thr = pthread_self();
	22	#endif
	23
4f896ddc	24	SHAREDSvLOCK(threads);
47ba8780	25	SHAREDSvEDIT(threads);
82c40bf6	26	PERL_THREAD_ALLOC_SPECIFIC(self_key);
7f9a95ef	27	PERL_THREAD_SETSPECIFIC(self_key,INT2PTR(void*,thread->tid));
7f9a95ef	28	thread_tid_ptr = Perl_newSVuv(PL_sharedsv_space, thread->tid);
b1edfb69	29	thread_ptr = Perl_newSVuv(PL_sharedsv_space, PTR2UV(thread));
47ba8780	30	hv_store_ent((HV*)SHAREDSvGET(threads), thread_tid_ptr, thread_ptr,0);
	31	SvREFCNT_dec(thread_tid_ptr);
	32	SHAREDSvRELEASE(threads);
4f896ddc	33	SHAREDSvUNLOCK(threads);
47ba8780	34	PL_perl_destruct_level = 2;
4f896ddc	35
47ba8780	36	{
	37
	38	AV* params;
	39	I32 len;
	40	int i;
	41	dSP;
	42	params = (AV*) SvRV(thread->params);
	43	len = av_len(params);
	44	ENTER;
	45	SAVETMPS;
	46	PUSHMARK(SP);
	47	if(len > -1) {
	48	for(i = 0; i < len + 1; i++) {
	49	XPUSHs(av_shift(params));
	50	}
	51	}
	52	PUTBACK;
4f896ddc	53	call_sv(thread->init_function, G_DISCARD);
47ba8780	54	FREETMPS;
	55	LEAVE;
	56
	57
	58	}
	59
47ba8780	60	MUTEX_LOCK(&thread->mutex);
fd58862f	61	PerlIO_flush((PerlIO*)NULL);
47ba8780	62	perl_destruct(thread->interp);
	63	perl_free(thread->interp);
	64	if(thread->detached == 1) {
	65	MUTEX_UNLOCK(&thread->mutex);
e6e315b9	66	Perl_thread_destruct(thread);
47ba8780	67	} else {
	68	MUTEX_UNLOCK(&thread->mutex);
	69	}
	70	#ifdef WIN32
	71	return (DWORD)0;
e8f2bb9a	72	#else
e8f2bb9a	73	return 0;
47ba8780	74	#endif
	75
	76	}
	77
47ba8780	78	/*
b1edfb69	79	* iThread->create();
b1edfb69	80	*/
47ba8780	81
e6e315b9	82	SV* Perl_thread_create(char* class, SV* init_function, SV* params) {
47ba8780	83	ithread* thread = malloc(sizeof(ithread));
	84	SV* obj_ref;
	85	SV* obj;
	86	SV* temp_store;
47ba8780	87	PerlInterpreter *current_perl;
	88
	89	MUTEX_LOCK(&create_mutex);
	90	obj_ref = newSViv(0);
	91	obj = newSVrv(obj_ref, class);
b1edfb69	92	sv_setiv(obj, (IV)thread);
b1edfb69	93	SvREADONLY_on(obj);
47ba8780	94
b1edfb69	95	current_perl = PERL_GET_CONTEXT;
47ba8780	96
47ba8780	97	/*
b1edfb69	98	* here we put the values of params and function to call onto
	99	* namespace, this is so perl will properly clone them when we
	100	* call perl_clone.
	101	*/
4f896ddc	102
b1edfb69	103	temp_store = Perl_get_sv(current_perl, "threads::paramtempstore",
b1edfb69	104	TRUE \| GV_ADDMULTI);
47ba8780	105	Perl_sv_setsv(current_perl, temp_store,params);
	106	params = NULL;
	107	temp_store = NULL;
	108
b1edfb69	109	temp_store = Perl_get_sv(current_perl, "threads::calltempstore",
b1edfb69	110	TRUE \| GV_ADDMULTI);
47ba8780	111	Perl_sv_setsv(current_perl,temp_store, init_function);
4f896ddc	112	init_function = NULL;
4f896ddc	113	temp_store = NULL;
47ba8780	114
47ba8780	115	#ifdef WIN32
b1edfb69	116	thread->interp = perl_clone(current_perl, 4);
47ba8780	117	#else
b1edfb69	118	thread->interp = perl_clone(current_perl, 0);
47ba8780	119	#endif
47ba8780	120
b1edfb69	121	thread->init_function = newSVsv(Perl_get_sv(thread->interp,
	122	"threads::calltempstore",FALSE));
	123	thread->params = newSVsv(Perl_get_sv(thread->interp,
	124	"threads::paramtempstore",FALSE));
47ba8780	125
47ba8780	126	/*
b1edfb69	127	* And here we make sure we clean up the data we put in the
	128	* namespace of iThread, both in the new and the calling
	129	* inteprreter */
47ba8780	130
b1edfb69	131	temp_store = Perl_get_sv(thread->interp, "threads::paramtempstore",FALSE);
47ba8780	132	Perl_sv_setsv(thread->interp,temp_store, &PL_sv_undef);
	133
	134	temp_store = Perl_get_sv(thread->interp,"threads::calltempstore",FALSE);
	135	Perl_sv_setsv(thread->interp,temp_store, &PL_sv_undef);
	136
	137	PERL_SET_CONTEXT(current_perl);
	138
	139	temp_store = Perl_get_sv(current_perl,"threads::paramtempstore",FALSE);
	140	Perl_sv_setsv(current_perl, temp_store, &PL_sv_undef);
	141
	142	temp_store = Perl_get_sv(current_perl,"threads::calltempstore",FALSE);
	143	Perl_sv_setsv(current_perl, temp_store, &PL_sv_undef);
	144
b1edfb69	145	/* let's init the thread */
47ba8780	146
	147	MUTEX_INIT(&thread->mutex);
	148	thread->tid = tid_counter++;
	149	thread->detached = 0;
	150	thread->count = 1;
	151
	152	#ifdef WIN32
	153
e6e315b9	154	thread->handle = CreateThread(NULL, 0, Perl_thread_run,
47ba8780	155	(LPVOID)thread, 0, &thread->thr);
47ba8780	156
82c40bf6	157
	158	#else
	159	#ifdef OLD_PTHREADS_API
fa26028c	160	{
	161	static pthread_attr_t attr;
	162	static int attr_inited = 0;
	163	sigset_t fullmask, oldmask;
	164	static int attr_joinable = PTHREAD_CREATE_JOINABLE;
	165	if (!attr_inited) {
	166	attr_inited = 1;
	167	pthread_attr_init(&attr);
	168	}
	169	# ifdef PTHREAD_ATTR_SETDETACHSTATE
	170	PTHREAD_ATTR_SETDETACHSTATE(&attr, attr_joinable);
	171	# endif
	172
	173	pthread_create( &thread->thr, attr, Perl_thread_run, (void *)thread);
	174	}
47ba8780	175	#else
df9156bb	176	pthread_create( &thread->thr, (pthread_attr_t)NULL, Perl_thread_run, (void )thread);
47ba8780	177	#endif
82c40bf6	178	#endif
47ba8780	179	MUTEX_UNLOCK(&create_mutex);
47ba8780	180
b1edfb69	181	return obj_ref;
47ba8780	182	}
	183
	184	/*
b1edfb69	185	* returns the id of the thread
b1edfb69	186	*/
e6e315b9	187	I32 Perl_thread_tid (SV* obj) {
47ba8780	188	ithread* thread;
47ba8780	189	if(!SvROK(obj)) {
e6e315b9	190	obj = Perl_thread_self(SvPV_nolen(obj));
47ba8780	191	thread = (ithread*)SvIV(SvRV(obj));
	192	SvREFCNT_dec(obj);
	193	} else {
	194	thread = (ithread*)SvIV(SvRV(obj));
	195	}
	196	return thread->tid;
	197	}
	198
e6e315b9	199	SV* Perl_thread_self (char* class) {
47ba8780	200	dTHX;
	201	SV* obj_ref;
	202	SV* obj;
b1edfb69	203	SV* thread_tid_ptr;
	204	SV* thread_ptr;
	205	HE* thread_entry;
7f9a95ef	206	void* id;
7f9a95ef	207	PERL_THREAD_GETSPECIFIC(self_key,id);
4f896ddc	208	SHAREDSvLOCK(threads);
47ba8780	209	SHAREDSvEDIT(threads);
7f9a95ef	210
7f9a95ef	211	thread_tid_ptr = Perl_newSVuv(PL_sharedsv_space, PTR2UV(id));
82c40bf6	212
b1edfb69	213	thread_entry = Perl_hv_fetch_ent(PL_sharedsv_space,
	214	(HV*) SHAREDSvGET(threads),
	215	thread_tid_ptr, 0,0);
47ba8780	216	thread_ptr = HeVAL(thread_entry);
47ba8780	217	SvREFCNT_dec(thread_tid_ptr);
47ba8780	218	SHAREDSvRELEASE(threads);
4f896ddc	219	SHAREDSvUNLOCK(threads);
47ba8780	220
	221	obj_ref = newSViv(0);
	222	obj = newSVrv(obj_ref, class);
4f896ddc	223	sv_setsv(obj, thread_ptr);
47ba8780	224	SvREADONLY_on(obj);
	225	return obj_ref;
	226	}
	227
	228	/*
b1edfb69	229	* joins the thread this code needs to take the returnvalue from the
b1edfb69	230	* call_sv and send it back */
47ba8780	231
e6e315b9	232	void Perl_thread_join(SV* obj) {
47ba8780	233	ithread* thread = (ithread*)SvIV(SvRV(obj));
	234	#ifdef WIN32
	235	DWORD waitcode;
	236	waitcode = WaitForSingleObject(thread->handle, INFINITE);
	237	#else
	238	void *retval;
	239	pthread_join(thread->thr,&retval);
	240	#endif
	241	}
	242
b1edfb69	243	/* detaches a thread
b1edfb69	244	* needs to better clean up memory */
47ba8780	245
e6e315b9	246	void Perl_thread_detach(SV* obj) {
47ba8780	247	ithread* thread = (ithread*)SvIV(SvRV(obj));
	248	MUTEX_LOCK(&thread->mutex);
	249	thread->detached = 1;
82c40bf6	250	PERL_THREAD_DETACH(thread->thr);
47ba8780	251	MUTEX_UNLOCK(&thread->mutex);
	252	}
	253
e6e315b9	254	void Perl_thread_DESTROY (SV* obj) {
47ba8780	255	ithread* thread = (ithread*)SvIV(SvRV(obj));
	256
	257	MUTEX_LOCK(&thread->mutex);
	258	thread->count--;
	259	MUTEX_UNLOCK(&thread->mutex);
e6e315b9	260	Perl_thread_destruct(thread);
47ba8780	261	}
47ba8780	262
e6e315b9	263	void Perl_thread_destruct (ithread* thread) {
47ba8780	264	return;
	265	MUTEX_LOCK(&thread->mutex);
	266	if(thread->count != 0) {
	267	MUTEX_UNLOCK(&thread->mutex);
	268	return;
	269	}
	270	MUTEX_UNLOCK(&thread->mutex);
	271	/* it is safe noone is holding a ref to this */
	272	/printf("proper destruction!\n");/
	273	}
	274
47ba8780	275	MODULE = threads PACKAGE = threads
	276	BOOT:
	277	Perl_sharedsv_init(aTHX);
	278	PL_perl_destruct_level = 2;
	279	threads = Perl_sharedsv_new(aTHX);
	280	SHAREDSvEDIT(threads);
e8f2bb9a	281	SHAREDSvGET(threads) = (SV *)newHV();
47ba8780	282	SHAREDSvRELEASE(threads);
	283	{
	284
	285
	286	SV* temp = get_sv("threads::sharedsv_space", TRUE \| GV_ADDMULTI);
4f896ddc	287	SV* temp2 = newSViv((IV)PL_sharedsv_space );
47ba8780	288	sv_setsv( temp , temp2 );
	289	}
	290	{
	291	ithread* thread = malloc(sizeof(ithread));
	292	SV* thread_tid_ptr;
	293	SV* thread_ptr;
	294	MUTEX_INIT(&thread->mutex);
	295	thread->tid = 0;
	296	#ifdef WIN32
	297	thread->thr = GetCurrentThreadId();
	298	#else
	299	thread->thr = pthread_self();
	300	#endif
d5ecd109	301	SHAREDSvEDIT(threads);
82c40bf6	302	PERL_THREAD_ALLOC_SPECIFIC(self_key);
7f9a95ef	303	PERL_THREAD_SETSPECIFIC(self_key,0);
7f9a95ef	304	thread_tid_ptr = Perl_newSVuv(PL_sharedsv_space, 0);
b1edfb69	305	thread_ptr = Perl_newSVuv(PL_sharedsv_space, PTR2UV(thread));
47ba8780	306	hv_store_ent((HV*) SHAREDSvGET(threads), thread_tid_ptr, thread_ptr,0);
4f896ddc	307	SvREFCNT_dec(thread_tid_ptr);
d5ecd109	308	SHAREDSvRELEASE(threads);
47ba8780	309	}
	310	MUTEX_INIT(&create_mutex);
	311
47ba8780	312	PROTOTYPES: DISABLE
	313
	314	SV *
	315	create (class, function_to_call, ...)
	316	char * class
	317	SV * function_to_call
	318	CODE:
	319	AV* params = newAV();
	320	if(items > 2) {
	321	int i;
	322	for(i = 2; i < items ; i++) {
	323	av_push(params, ST(i));
	324	}
	325	}
e6e315b9	326	RETVAL = Perl_thread_create(class, function_to_call, newRV_noinc((SV*) params));
47ba8780	327	OUTPUT:
	328	RETVAL
	329
	330	SV *
	331	self (class)
	332	char* class
	333	CODE:
e6e315b9	334	RETVAL = Perl_thread_self(class);
47ba8780	335	OUTPUT:
	336	RETVAL
	337
	338	int
	339	tid (obj)
	340	SV * obj;
	341	CODE:
e6e315b9	342	RETVAL = Perl_thread_tid(obj);
47ba8780	343	OUTPUT:
	344	RETVAL
	345
	346	void
	347	join (obj)
	348	SV * obj
	349	PREINIT:
	350	I32* temp;
	351	PPCODE:
	352	temp = PL_markstack_ptr++;
e6e315b9	353	Perl_thread_join(obj);
47ba8780	354	if (PL_markstack_ptr != temp) {
	355	/* truly void, because dXSARGS not invoked */
	356	PL_markstack_ptr = temp;
	357	XSRETURN_EMPTY; /* return empty stack */
	358	}
	359	/* must have used dXSARGS; list context implied */
	360	return; /* assume stack size is correct */
	361
	362	void
	363	detach (obj)
	364	SV * obj
	365	PREINIT:
	366	I32* temp;
	367	PPCODE:
	368	temp = PL_markstack_ptr++;
e6e315b9	369	Perl_thread_detach(obj);
47ba8780	370	if (PL_markstack_ptr != temp) {
	371	/* truly void, because dXSARGS not invoked */
	372	PL_markstack_ptr = temp;
	373	XSRETURN_EMPTY; /* return empty stack */
	374	}
	375	/* must have used dXSARGS; list context implied */
	376	return; /* assume stack size is correct */
	377
47ba8780	378	void
	379	DESTROY (obj)
	380	SV * obj
	381	PREINIT:
	382	I32* temp;
	383	PPCODE:
	384	temp = PL_markstack_ptr++;
e6e315b9	385	Perl_thread_DESTROY(obj);
47ba8780	386	if (PL_markstack_ptr != temp) {
	387	/* truly void, because dXSARGS not invoked */
	388	PL_markstack_ptr = temp;
	389	XSRETURN_EMPTY; /* return empty stack */
	390	}
	391	/* must have used dXSARGS; list context implied */
	392	return; /* assume stack size is correct */
	393