[p5sagit/p5-mst-13.2.git] / thread.h

#ifndef USE_THREADS
#define MUTEX_LOCK(m)
#define MUTEX_UNLOCK(m)
#define MUTEX_INIT(m)
#define MUTEX_DESTROY(m)
#define COND_INIT(c)
#define COND_SIGNAL(c)
#define COND_BROADCAST(c)
#define COND_WAIT(c, m)
#define COND_DESTROY(c)

#define THR
/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
#define dTHR extern int errno
#else

#ifdef FAKE_THREADS
typedef struct thread *perl_thread;
/* With fake threads, thr is global(ish) so we don't need dTHR */
#define dTHR extern int errno

/*
 * Note that SCHEDULE() is only callable from pp code (which
 * must be expecting to be restarted). We'll have to do
 * something a bit different for XS code.
 */
#define SCHEDULE() return schedule(), op

#define MUTEX_LOCK(m)
#define MUTEX_UNLOCK(m)
#define MUTEX_INIT(m)
#define MUTEX_DESTROY(m)
#define COND_INIT(c) perl_cond_init(c)
#define COND_SIGNAL(c) perl_cond_signal(c)
#define COND_BROADCAST(c) perl_cond_broadcast(c)
#define COND_WAIT(c, m) STMT_START {	\
	perl_cond_wait(c);		\
	SCHEDULE();			\
    } STMT_END
#define COND_DESTROY(c)
#else

#ifdef WIN32

typedef HANDLE perl_thread;

/* XXX Critical Sections used instead of mutexes: lightweight,
 * but can't be communicated to child processes, and can't get
 * HANDLE to it for use elsewhere
 */
/*
#define MUTEX_INIT(m) InitializeCriticalSection(m)
#define MUTEX_LOCK(m) EnterCriticalSection(m)
#define MUTEX_UNLOCK(m) LeaveCriticalSection(m)
#define MUTEX_DESTROY(m) DeleteCriticalSection(m)
*/

#define MUTEX_INIT(m) \
    STMT_START {						\
	if ((*(m) = CreateMutex(NULL,FALSE,NULL)) == NULL)	\
	    croak("panic: MUTEX_INIT");				\
    } STMT_END
#define MUTEX_LOCK(m) \
    STMT_START {						\
	if (WaitForSingleObject(*(m),INFINITE) == WAIT_FAILED)	\
	    croak("panic: MUTEX_LOCK");				\
    } STMT_END
#define MUTEX_UNLOCK(m) \
    STMT_START {						\
	if (ReleaseMutex(*(m)) == 0)				\
	    croak("panic: MUTEX_UNLOCK");			\
    } STMT_END
#define MUTEX_DESTROY(m) \
    STMT_START {						\
	if (CloseHandle(*(m)) == 0)				\
	    croak("panic: MUTEX_DESTROY");			\
    } STMT_END

#define COND_INIT(c) \
    STMT_START {						\
	if ((*(c) = CreateEvent(NULL,TRUE,FALSE,NULL)) == NULL)	\
	    croak("panic: COND_INIT");				\
    } STMT_END
#define COND_SIGNAL(c) \
    STMT_START {						\
	if (PulseEvent(*(c)) == 0)				\
	    croak("panic: COND_SIGNAL (%ld)",GetLastError());	\
    } STMT_END
#define COND_BROADCAST(c) \
    STMT_START {						\
	if (PulseEvent(*(c)) == 0)				\
	    croak("panic: COND_BROADCAST");			\
    } STMT_END
/* #define COND_WAIT(c, m) \
    STMT_START {						\
	if (WaitForSingleObject(*(c),INFINITE) == WAIT_FAILED)	\
	    croak("panic: COND_WAIT");				\
    } STMT_END
*/
#define COND_WAIT(c, m) \
    STMT_START {						\
	if (SignalObjectAndWait(*(m),*(c),INFINITE,FALSE) == WAIT_FAILED)\
	    croak("panic: COND_WAIT");				\
	else							\
	    MUTEX_LOCK(m);					\
    } STMT_END
#define COND_DESTROY(c) \
    STMT_START {						\
	if (CloseHandle(*(c)) == 0)				\
	    croak("panic: COND_DESTROY");			\
    } STMT_END

#define DETACH(t) \
    STMT_START {						\
	if (CloseHandle((t)->Tself) == 0)			\
	    croak("panic: DETACH");				\
    } STMT_END

#define THR ((struct thread *) TlsGetValue(thr_key))
#define pthread_getspecific(k)		TlsGetValue(k)
#define pthread_setspecific(k,v)	(TlsSetValue(k,v) == 0)

#else /* !WIN32 */

/* POSIXish threads */
typedef pthread_t perl_thread;
#ifdef OLD_PTHREADS_API
#define pthread_mutexattr_init(a) pthread_mutexattr_create(a)
#define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t)
#define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d))
#else
#define pthread_mutexattr_default NULL
#endif /* OLD_PTHREADS_API */

#define MUTEX_INIT(m) \
    if (pthread_mutex_init((m), pthread_mutexattr_default)) \
	croak("panic: MUTEX_INIT"); \
    else 1
#define MUTEX_LOCK(m) \
    if (pthread_mutex_lock((m))) croak("panic: MUTEX_LOCK"); else 1
#define MUTEX_UNLOCK(m) \
    if (pthread_mutex_unlock((m))) croak("panic: MUTEX_UNLOCK"); else 1
#define MUTEX_DESTROY(m) \
    if (pthread_mutex_destroy((m))) croak("panic: MUTEX_DESTROY"); else 1
#define COND_INIT(c) \
    if (pthread_cond_init((c), NULL)) croak("panic: COND_INIT"); else 1
#define COND_SIGNAL(c) \
    if (pthread_cond_signal((c))) croak("panic: COND_SIGNAL"); else 1
#define COND_BROADCAST(c) \
    if (pthread_cond_broadcast((c))) croak("panic: COND_BROADCAST"); else 1
#define COND_WAIT(c, m) \
    if (pthread_cond_wait((c), (m))) croak("panic: COND_WAIT"); else 1
#define COND_DESTROY(c) \
    if (pthread_cond_destroy((c))) croak("panic: COND_DESTROY"); else 1

#define DETACH(t) \
    if (pthread_detach((t)->Tself)) croak("panic: DETACH"); else 1

/* XXX Add "old" (?) POSIX draft interface too */
#ifdef OLD_PTHREADS_API
struct thread *getTHR _((void));
#define THR getTHR()
#else
#define THR ((struct thread *) pthread_getspecific(thr_key))
#endif /* OLD_PTHREADS_API */
#endif /* WIN32 */
#define dTHR struct thread *thr = THR
#endif /* FAKE_THREADS */

#ifndef INIT_THREADS
#  ifdef NEED_PTHREAD_INIT
#    define INIT_THREADS pthread_init()
#  else
#    define INIT_THREADS NOOP
#  endif
#endif

struct thread {
    /* The fields that used to be global */
    /* Important ones in the first cache line (if alignment is done right) */
    SV **	Tstack_sp;
#ifdef OP_IN_REGISTER
    OP *	Topsave;
#else
    OP *	Top;
#endif
    SV **	Tcurpad;
    SV **	Tstack_base;

    SV **	Tstack_max;

    I32 *	Tscopestack;
    I32		Tscopestack_ix;
    I32		Tscopestack_max;

    ANY *	Tsavestack;
    I32		Tsavestack_ix;
    I32		Tsavestack_max;

    OP **	Tretstack;
    I32		Tretstack_ix;
    I32		Tretstack_max;

    I32 *	Tmarkstack;
    I32 *	Tmarkstack_ptr;
    I32 *	Tmarkstack_max;

    SV *	TSv;
    XPV *	TXpv;
    struct stat	Tstatbuf;
    struct tms	Ttimesbuf;
    
    /* XXX What about regexp stuff? */

    /* Now the fields that used to be "per interpreter" (even when global) */

    /* XXX What about magic variables such as $/, $? and so on? */
    HV *	Tdefstash;
    HV *	Tcurstash;

    SV **	Ttmps_stack;
    I32		Ttmps_ix;
    I32		Ttmps_floor;
    I32		Ttmps_max;

    int		Tin_eval;
    OP *	Trestartop;
    int		Tdelaymagic;
    bool	Tdirty;
    U8		Tlocalizing;
    COP *	Tcurcop;

    CONTEXT *	Tcxstack;
    I32		Tcxstack_ix;
    I32		Tcxstack_max;

    AV *	Tcurstack;
    AV *	Tmainstack;
    JMPENV *	Ttop_env;
    I32		Trunlevel;

    /* XXX Sort stuff, firstgv, secongv and so on? */

    perl_thread	Tself;
    SV *	Toursv;
    perl_mutex *Tthreadstart_mutexp;
    HV *	Tcvcache;
    U32		flags;
    U32		tid;
    struct thread *next, *prev;		/* Circular linked list of threads */

#ifdef FAKE_THREADS
    perl_thread next_run, prev_run;	/* Linked list of runnable threads */
    perl_cond	wait_queue;		/* Wait queue that we are waiting on */
    IV		private;		/* Holds data across time slices */
    I32		savemark;		/* Holds MARK for thread join values */
#endif /* FAKE_THREADS */
};

typedef struct thread *Thread;

/* Values and macros for thr->flags */
#define THRf_STATE_MASK	3
#define THRf_NORMAL	0
#define THRf_DETACHED	1
#define THRf_JOINED	2
#define THRf_DEAD	3

#define THRf_DIE_FATAL	4

#define ThrSTATE(t)	(t->flags & THRf_STATE_MASK)
#define ThrSETSTATE(t, s) STMT_START {		\
	(t)->flags &= ~THRf_STATE_MASK;	\
	(t)->flags |= (s);			\
	DEBUG_L(fprintf(stderr, "thread 0x%lx set to state %d\n", \
			(unsigned long)(t), (s))); \
    } STMT_END

typedef struct condpair {
    perl_mutex	mutex;
    perl_cond	owner_cond;
    perl_cond	cond;
    Thread	owner;
} condpair_t;

#define MgMUTEXP(mg) (&((condpair_t *)(mg->mg_ptr))->mutex)
#define MgOWNERCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->owner_cond)
#define MgCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->cond)
#define MgOWNER(mg) ((condpair_t *)(mg->mg_ptr))->owner

#undef	stack_base
#undef	stack_sp
#undef	stack_max
#undef	curstack
#undef	mainstack
#undef	markstack
#undef	markstack_ptr
#undef	markstack_max
#undef	scopestack
#undef	scopestack_ix
#undef	scopestack_max
#undef	savestack
#undef	savestack_ix
#undef	savestack_max
#undef	retstack
#undef	retstack_ix
#undef	retstack_max
#undef	curcop
#undef	cxstack
#undef	cxstack_ix
#undef	cxstack_max
#undef	defstash
#undef	curstash
#undef	tmps_stack
#undef	tmps_floor
#undef	tmps_ix
#undef	tmps_max
#undef	curpad
#undef	Sv
#undef	Xpv
#undef	statbuf
#undef	timesbuf
#undef	top_env
#undef	runlevel
#undef	in_eval
#undef	restartop
#undef	delaymagic
#undef	dirty
#undef	localizing

#define self		(thr->Tself)
#define oursv		(thr->Toursv)
#define stack_base	(thr->Tstack_base)
#define stack_sp	(thr->Tstack_sp)
#define stack_max	(thr->Tstack_max)
#ifdef OP_IN_REGISTER
#define opsave		(thr->Topsave)
#else
#undef	op
#define op		(thr->Top)
#endif
#define	curcop		(thr->Tcurcop)
#define	stack		(thr->Tstack)
#define curstack	(thr->Tcurstack)
#define	mainstack	(thr->Tmainstack)
#define	markstack	(thr->Tmarkstack)
#define	markstack_ptr	(thr->Tmarkstack_ptr)
#define	markstack_max	(thr->Tmarkstack_max)
#define	scopestack	(thr->Tscopestack)
#define	scopestack_ix	(thr->Tscopestack_ix)
#define	scopestack_max	(thr->Tscopestack_max)

#define	savestack	(thr->Tsavestack)
#define	savestack_ix	(thr->Tsavestack_ix)
#define	savestack_max	(thr->Tsavestack_max)

#define	retstack	(thr->Tretstack)
#define	retstack_ix	(thr->Tretstack_ix)
#define	retstack_max	(thr->Tretstack_max)

#define	cxstack		(thr->Tcxstack)
#define	cxstack_ix	(thr->Tcxstack_ix)
#define	cxstack_max	(thr->Tcxstack_max)

#define curpad		(thr->Tcurpad)
#define Sv		(thr->TSv)
#define Xpv		(thr->TXpv)
#define statbuf		(thr->Tstatbuf)
#define timesbuf	(thr->Ttimesbuf)
#define defstash	(thr->Tdefstash)
#define curstash	(thr->Tcurstash)

#define tmps_stack	(thr->Ttmps_stack)
#define tmps_ix		(thr->Ttmps_ix)
#define tmps_floor	(thr->Ttmps_floor)
#define tmps_max	(thr->Ttmps_max)

#define in_eval		(thr->Tin_eval)
#define restartop	(thr->Trestartop)
#define delaymagic	(thr->Tdelaymagic)
#define dirty		(thr->Tdirty)
#define localizing	(thr->Tlocalizing)

#define	top_env		(thr->Ttop_env)
#define	runlevel	(thr->Trunlevel)

#define	threadstart_mutexp	(thr->Tthreadstart_mutexp)
#define	cvcache		(thr->Tcvcache)
#endif /* USE_THREADS */
Commit	Line	Data
11343788	1	#ifndef USE_THREADS
	2	#define MUTEX_LOCK(m)
	3	#define MUTEX_UNLOCK(m)
	4	#define MUTEX_INIT(m)
	5	#define MUTEX_DESTROY(m)
	6	#define COND_INIT(c)
	7	#define COND_SIGNAL(c)
	8	#define COND_BROADCAST(c)
	9	#define COND_WAIT(c, m)
	10	#define COND_DESTROY(c)
	11
	12	#define THR
	13	/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
	14	#define dTHR extern int errno
	15	#else
11343788	16
12ca11f6	17	#ifdef FAKE_THREADS
	18	typedef struct thread *perl_thread;
	19	/* With fake threads, thr is global(ish) so we don't need dTHR */
	20	#define dTHR extern int errno
	21
	22	/*
	23	* Note that SCHEDULE() is only callable from pp code (which
	24	* must be expecting to be restarted). We'll have to do
	25	* something a bit different for XS code.
	26	*/
	27	#define SCHEDULE() return schedule(), op
	28
	29	#define MUTEX_LOCK(m)
	30	#define MUTEX_UNLOCK(m)
	31	#define MUTEX_INIT(m)
	32	#define MUTEX_DESTROY(m)
	33	#define COND_INIT(c) perl_cond_init(c)
	34	#define COND_SIGNAL(c) perl_cond_signal(c)
	35	#define COND_BROADCAST(c) perl_cond_broadcast(c)
	36	#define COND_WAIT(c, m) STMT_START { \
	37	perl_cond_wait(c); \
	38	SCHEDULE(); \
	39	} STMT_END
	40	#define COND_DESTROY(c)
12ca11f6	41	#else
059e4e88	42
	43	#ifdef WIN32
	44
	45	typedef HANDLE perl_thread;
	46
	47	/* XXX Critical Sections used instead of mutexes: lightweight,
	48	* but can't be communicated to child processes, and can't get
	49	* HANDLE to it for use elsewhere
	50	*/
	51	/*
	52	#define MUTEX_INIT(m) InitializeCriticalSection(m)
	53	#define MUTEX_LOCK(m) EnterCriticalSection(m)
	54	#define MUTEX_UNLOCK(m) LeaveCriticalSection(m)
	55	#define MUTEX_DESTROY(m) DeleteCriticalSection(m)
	56	*/
	57
	58	#define MUTEX_INIT(m) \
	59	STMT_START { \
	60	if ((*(m) = CreateMutex(NULL,FALSE,NULL)) == NULL) \
	61	croak("panic: MUTEX_INIT"); \
	62	} STMT_END
	63	#define MUTEX_LOCK(m) \
	64	STMT_START { \
	65	if (WaitForSingleObject(*(m),INFINITE) == WAIT_FAILED) \
	66	croak("panic: MUTEX_LOCK"); \
	67	} STMT_END
	68	#define MUTEX_UNLOCK(m) \
	69	STMT_START { \
	70	if (ReleaseMutex(*(m)) == 0) \
	71	croak("panic: MUTEX_UNLOCK"); \
	72	} STMT_END
	73	#define MUTEX_DESTROY(m) \
	74	STMT_START { \
	75	if (CloseHandle(*(m)) == 0) \
	76	croak("panic: MUTEX_DESTROY"); \
	77	} STMT_END
	78
	79	#define COND_INIT(c) \
	80	STMT_START { \
	81	if ((*(c) = CreateEvent(NULL,TRUE,FALSE,NULL)) == NULL) \
	82	croak("panic: COND_INIT"); \
	83	} STMT_END
	84	#define COND_SIGNAL(c) \
	85	STMT_START { \
	86	if (PulseEvent(*(c)) == 0) \
	87	croak("panic: COND_SIGNAL (%ld)",GetLastError()); \
	88	} STMT_END
	89	#define COND_BROADCAST(c) \
	90	STMT_START { \
	91	if (PulseEvent(*(c)) == 0) \
	92	croak("panic: COND_BROADCAST"); \
	93	} STMT_END
	94	/* #define COND_WAIT(c, m) \
	95	STMT_START { \
	96	if (WaitForSingleObject(*(c),INFINITE) == WAIT_FAILED) \
	97	croak("panic: COND_WAIT"); \
	98	} STMT_END
	99	*/
	100	#define COND_WAIT(c, m) \
	101	STMT_START { \
	102	if (SignalObjectAndWait((m),(c),INFINITE,FALSE) == WAIT_FAILED)\
	103	croak("panic: COND_WAIT"); \
	104	else \
	105	MUTEX_LOCK(m); \
106	} STMT_END
107	#define COND_DESTROY(c) \
108	STMT_START { \
109	if (CloseHandle(*(c)) == 0) \
110	croak("panic: COND_DESTROY"); \
111	} STMT_END
112
113	#define DETACH(t) \
114	STMT_START { \
115	if (CloseHandle((t)->Tself) == 0) \
116	croak("panic: DETACH"); \
117	} STMT_END
118
119	#define THR ((struct thread *) TlsGetValue(thr_key))
120	#define pthread_getspecific(k) TlsGetValue(k)
121	#define pthread_setspecific(k,v) (TlsSetValue(k,v) == 0)
122
123	#else /* !WIN32 */
124
12ca11f6	125	/* POSIXish threads */
12ca11f6	126	typedef pthread_t perl_thread;
11343788	127	#ifdef OLD_PTHREADS_API
	128	#define pthread_mutexattr_init(a) pthread_mutexattr_create(a)
	129	#define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t)
	130	#define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d))
	131	#else
	132	#define pthread_mutexattr_default NULL
	133	#endif /* OLD_PTHREADS_API */
	134
	135	#define MUTEX_INIT(m) \
	136	if (pthread_mutex_init((m), pthread_mutexattr_default)) \
	137	croak("panic: MUTEX_INIT"); \
	138	else 1
	139	#define MUTEX_LOCK(m) \
	140	if (pthread_mutex_lock((m))) croak("panic: MUTEX_LOCK"); else 1
	141	#define MUTEX_UNLOCK(m) \
	142	if (pthread_mutex_unlock((m))) croak("panic: MUTEX_UNLOCK"); else 1
	143	#define MUTEX_DESTROY(m) \
	144	if (pthread_mutex_destroy((m))) croak("panic: MUTEX_DESTROY"); else 1
	145	#define COND_INIT(c) \
	146	if (pthread_cond_init((c), NULL)) croak("panic: COND_INIT"); else 1
	147	#define COND_SIGNAL(c) \
	148	if (pthread_cond_signal((c))) croak("panic: COND_SIGNAL"); else 1
	149	#define COND_BROADCAST(c) \
	150	if (pthread_cond_broadcast((c))) croak("panic: COND_BROADCAST"); else 1
	151	#define COND_WAIT(c, m) \
	152	if (pthread_cond_wait((c), (m))) croak("panic: COND_WAIT"); else 1
	153	#define COND_DESTROY(c) \
	154	if (pthread_cond_destroy((c))) croak("panic: COND_DESTROY"); else 1
33f46ff6	155
	156	#define DETACH(t) \
	157	if (pthread_detach((t)->Tself)) croak("panic: DETACH"); else 1
	158
11343788	159	/* XXX Add "old" (?) POSIX draft interface too */
	160	#ifdef OLD_PTHREADS_API
	161	struct thread *getTHR _((void));
	162	#define THR getTHR()
	163	#else
	164	#define THR ((struct thread *) pthread_getspecific(thr_key))
	165	#endif /* OLD_PTHREADS_API */
059e4e88	166	#endif /* WIN32 */
11343788	167	#define dTHR struct thread *thr = THR
12ca11f6	168	#endif /* FAKE_THREADS */
11343788	169
33f46ff6	170	#ifndef INIT_THREADS
	171	# ifdef NEED_PTHREAD_INIT
	172	# define INIT_THREADS pthread_init()
	173	# else
	174	# define INIT_THREADS NOOP
	175	# endif
	176	#endif
11343788	177
33f46ff6	178	struct thread {
11343788	179	/* The fields that used to be global */
33f46ff6	180	/* Important ones in the first cache line (if alignment is done right) */
11343788	181	SV ** Tstack_sp;
462e5cf6	182	#ifdef OP_IN_REGISTER
	183	OP * Topsave;
	184	#else
11343788	185	OP * Top;
462e5cf6	186	#endif
33f46ff6	187	SV ** Tcurpad;
	188	SV ** Tstack_base;
	189
	190	SV ** Tstack_max;
11343788	191
	192	I32 * Tscopestack;
	193	I32 Tscopestack_ix;
	194	I32 Tscopestack_max;
	195
	196	ANY * Tsavestack;
	197	I32 Tsavestack_ix;
	198	I32 Tsavestack_max;
	199
	200	OP ** Tretstack;
	201	I32 Tretstack_ix;
	202	I32 Tretstack_max;
	203
	204	I32 * Tmarkstack;
	205	I32 * Tmarkstack_ptr;
	206	I32 * Tmarkstack_max;
	207
11343788	208	SV * TSv;
11343788	209	XPV * TXpv;
11343788	210	struct stat Tstatbuf;
	211	struct tms Ttimesbuf;
	212
	213	/* XXX What about regexp stuff? */
	214
	215	/* Now the fields that used to be "per interpreter" (even when global) */
	216
	217	/* XXX What about magic variables such as $/, $? and so on? */
	218	HV * Tdefstash;
	219	HV * Tcurstash;
11343788	220
	221	SV ** Ttmps_stack;
	222	I32 Ttmps_ix;
	223	I32 Ttmps_floor;
	224	I32 Ttmps_max;
	225
	226	int Tin_eval;
	227	OP * Trestartop;
	228	int Tdelaymagic;
	229	bool Tdirty;
	230	U8 Tlocalizing;
0f15f207	231	COP * Tcurcop;
11343788	232
	233	CONTEXT * Tcxstack;
	234	I32 Tcxstack_ix;
	235	I32 Tcxstack_max;
	236
0f15f207	237	AV * Tcurstack;
11343788	238	AV * Tmainstack;
e858de61	239	JMPENV * Ttop_env;
11343788	240	I32 Trunlevel;
	241
	242	/* XXX Sort stuff, firstgv, secongv and so on? */
	243
33f46ff6	244	perl_thread Tself;
33f46ff6	245	SV * Toursv;
12ca11f6	246	perl_mutex *Tthreadstart_mutexp;
11343788	247	HV * Tcvcache;
33f46ff6	248	U32 flags;
	249	U32 tid;
	250	struct thread next, prev; /* Circular linked list of threads */
12ca11f6	251
12ca11f6	252	#ifdef FAKE_THREADS
12ca11f6	253	perl_thread next_run, prev_run; /* Linked list of runnable threads */
	254	perl_cond wait_queue; /* Wait queue that we are waiting on */
	255	IV private; /* Holds data across time slices */
0f15f207	256	I32 savemark; /* Holds MARK for thread join values */
12ca11f6	257	#endif /* FAKE_THREADS */
11343788	258	};
	259
	260	typedef struct thread *Thread;
	261
33f46ff6	262	/* Values and macros for thr->flags */
07b73707	263	#define THRf_STATE_MASK 3
	264	#define THRf_NORMAL 0
	265	#define THRf_DETACHED 1
	266	#define THRf_JOINED 2
	267	#define THRf_DEAD 3
f93b4edd	268
07b73707	269	#define THRf_DIE_FATAL 4
07b73707	270
33f46ff6	271	#define ThrSTATE(t) (t->flags & THRf_STATE_MASK)
f93b4edd	272	#define ThrSETSTATE(t, s) STMT_START { \
33f46ff6	273	(t)->flags &= ~THRf_STATE_MASK; \
33f46ff6	274	(t)->flags \|= (s); \
f93b4edd	275	DEBUG_L(fprintf(stderr, "thread 0x%lx set to state %d\n", \
	276	(unsigned long)(t), (s))); \
	277	} STMT_END
	278
	279	typedef struct condpair {
12ca11f6	280	perl_mutex mutex;
	281	perl_cond owner_cond;
	282	perl_cond cond;
	283	Thread owner;
f93b4edd	284	} condpair_t;
	285
	286	#define MgMUTEXP(mg) (&((condpair_t *)(mg->mg_ptr))->mutex)
	287	#define MgOWNERCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->owner_cond)
	288	#define MgCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->cond)
	289	#define MgOWNER(mg) ((condpair_t *)(mg->mg_ptr))->owner
	290
11343788	291	#undef stack_base
	292	#undef stack_sp
	293	#undef stack_max
0f15f207	294	#undef curstack
11343788	295	#undef mainstack
	296	#undef markstack
	297	#undef markstack_ptr
	298	#undef markstack_max
	299	#undef scopestack
	300	#undef scopestack_ix
	301	#undef scopestack_max
	302	#undef savestack
	303	#undef savestack_ix
	304	#undef savestack_max
	305	#undef retstack
	306	#undef retstack_ix
	307	#undef retstack_max
0f15f207	308	#undef curcop
11343788	309	#undef cxstack
	310	#undef cxstack_ix
	311	#undef cxstack_max
809a5acc	312	#undef defstash
809a5acc	313	#undef curstash
6d4ff0d2	314	#undef tmps_stack
	315	#undef tmps_floor
	316	#undef tmps_ix
	317	#undef tmps_max
11343788	318	#undef curpad
	319	#undef Sv
	320	#undef Xpv
96827780	321	#undef statbuf
96827780	322	#undef timesbuf
11343788	323	#undef top_env
	324	#undef runlevel
	325	#undef in_eval
809a5acc	326	#undef restartop
	327	#undef delaymagic
	328	#undef dirty
	329	#undef localizing
11343788	330
11343788	331	#define self (thr->Tself)
07b73707	332	#define oursv (thr->Toursv)
11343788	333	#define stack_base (thr->Tstack_base)
	334	#define stack_sp (thr->Tstack_sp)
	335	#define stack_max (thr->Tstack_max)
462e5cf6	336	#ifdef OP_IN_REGISTER
	337	#define opsave (thr->Topsave)
	338	#else
	339	#undef op
11343788	340	#define op (thr->Top)
462e5cf6	341	#endif
0f15f207	342	#define curcop (thr->Tcurcop)
11343788	343	#define stack (thr->Tstack)
809a5acc	344	#define curstack (thr->Tcurstack)
11343788	345	#define mainstack (thr->Tmainstack)
	346	#define markstack (thr->Tmarkstack)
	347	#define markstack_ptr (thr->Tmarkstack_ptr)
	348	#define markstack_max (thr->Tmarkstack_max)
	349	#define scopestack (thr->Tscopestack)
	350	#define scopestack_ix (thr->Tscopestack_ix)
	351	#define scopestack_max (thr->Tscopestack_max)
	352
	353	#define savestack (thr->Tsavestack)
	354	#define savestack_ix (thr->Tsavestack_ix)
	355	#define savestack_max (thr->Tsavestack_max)
	356
	357	#define retstack (thr->Tretstack)
	358	#define retstack_ix (thr->Tretstack_ix)
	359	#define retstack_max (thr->Tretstack_max)
	360
	361	#define cxstack (thr->Tcxstack)
	362	#define cxstack_ix (thr->Tcxstack_ix)
	363	#define cxstack_max (thr->Tcxstack_max)
	364
	365	#define curpad (thr->Tcurpad)
	366	#define Sv (thr->TSv)
	367	#define Xpv (thr->TXpv)
96827780	368	#define statbuf (thr->Tstatbuf)
96827780	369	#define timesbuf (thr->Ttimesbuf)
11343788	370	#define defstash (thr->Tdefstash)
11343788	371	#define curstash (thr->Tcurstash)
11343788	372
	373	#define tmps_stack (thr->Ttmps_stack)
	374	#define tmps_ix (thr->Ttmps_ix)
	375	#define tmps_floor (thr->Ttmps_floor)
	376	#define tmps_max (thr->Ttmps_max)
	377
	378	#define in_eval (thr->Tin_eval)
	379	#define restartop (thr->Trestartop)
	380	#define delaymagic (thr->Tdelaymagic)
	381	#define dirty (thr->Tdirty)
	382	#define localizing (thr->Tlocalizing)
	383
	384	#define top_env (thr->Ttop_env)
	385	#define runlevel (thr->Trunlevel)
	386
	387	#define threadstart_mutexp (thr->Tthreadstart_mutexp)
f93b4edd	388	#define cvcache (thr->Tcvcache)
11343788	389	#endif /* USE_THREADS */