This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
avoid leaking lexicals into program being debugged (from Ilya
[perl5.git] / thread.h
index 60ff29e..d03cef1 100644 (file)
--- a/thread.h
+++ b/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
+#if defined(USE_THREADS) || defined(USE_ITHREADS)
+
+#ifdef WIN32
+#  include <win32thread.h>
 #else
+#  ifdef OLD_PTHREADS_API /* Here be dragons. */
+#    define DETACH(t)                          \
+    STMT_START {                               \
+       if (pthread_detach(&(t)->self)) {       \
+           MUTEX_UNLOCK(&(t)->mutex);          \
+           Perl_croak(aTHX_ "panic: DETACH");          \
+       }                                       \
+    } STMT_END
+#    define THR getTHR()
+struct perl_thread *getTHR (void);
+#    define PTHREAD_GETSPECIFIC_INT
+#    ifdef DJGPP
+#      define pthread_addr_t any_t
+#      define NEED_PTHREAD_INIT
+#      define PTHREAD_CREATE_JOINABLE (1)
+#    endif
+#    ifdef __OPEN_VM
+#      define pthread_addr_t void *
+#    endif
+#    ifdef VMS
+#      define pthread_attr_init(a) pthread_attr_create(a)
+#      define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_setdetach_np(a,s)
+#      define PTHREAD_CREATE(t,a,s,d) pthread_create(t,a,s,d)
+#      define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d))
+#      define pthread_mutexattr_init(a) pthread_mutexattr_create(a)
+#      define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t)
+#    endif
+#    if defined(DJGPP) || defined(__OPEN_VM)
+#      define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,&(s))
+#      define YIELD pthread_yield(NULL)
+#    endif
+#  endif
+#    define pthread_mutexattr_default NULL
+#    define pthread_condattr_default  NULL
+#endif
 
-#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
+#ifndef PTHREAD_CREATE
+/* You are not supposed to pass NULL as the 2nd arg of PTHREAD_CREATE(). */
+#  define PTHREAD_CREATE(t,a,s,d) pthread_create(t,&(a),s,d)
+#endif
 
-/*
- * 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)
+#ifndef PTHREAD_ATTR_SETDETACHSTATE
+#  define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,s)
+#endif
 
-#else
-/* 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
-/* 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 */
-#define dTHR struct thread *thr = THR
-#endif /* FAKE_THREADS */
+#ifndef PTHREAD_CREATE_JOINABLE
+#  ifdef OLD_PTHREAD_CREATE_JOINABLE
+#    define PTHREAD_CREATE_JOINABLE OLD_PTHREAD_CREATE_JOINABLE
+#  else
+#    define PTHREAD_CREATE_JOINABLE 0 /* Panic?  No, guess. */
+#  endif
+#endif
 
-struct thread {
-    perl_thread        Tself;
+#ifdef I_MACH_CTHREADS
+
+/* cthreads interface */
+
+/* #include <mach/cthreads.h> is in perl.h #ifdef I_MACH_CTHREADS */
+
+#define MUTEX_INIT(m)                                  \
+       STMT_START {                                    \
+               *m = mutex_alloc();                     \
+               if (*m) {                               \
+                       mutex_init(*m);                 \
+               } else {                                \
+                       Perl_croak(aTHX_ "panic: MUTEX_INIT");  \
+               }                                       \
+       } STMT_END
+
+#define MUTEX_LOCK(m)          mutex_lock(*m)
+#define MUTEX_LOCK_NOCONTEXT(m)        mutex_lock(*m)
+#define MUTEX_UNLOCK(m)                mutex_unlock(*m)
+#define MUTEX_UNLOCK_NOCONTEXT(m) mutex_unlock(*m)
+#define MUTEX_DESTROY(m)                               \
+       STMT_START {                                    \
+               mutex_free(*m);                         \
+               *m = 0;                                 \
+       } STMT_END
+
+#define COND_INIT(c)                                   \
+       STMT_START {                                    \
+               *c = condition_alloc();                 \
+               if (*c) {                               \
+                       condition_init(*c);             \
+               } else {                                \
+                       Perl_croak(aTHX_ "panic: COND_INIT");   \
+               }                                       \
+       } STMT_END
+
+#define COND_SIGNAL(c)         condition_signal(*c)
+#define COND_BROADCAST(c)      condition_broadcast(*c)
+#define COND_WAIT(c, m)                condition_wait(*c, *m)
+#define COND_DESTROY(c)                                \
+       STMT_START {                            \
+               condition_free(*c);             \
+               *c = 0;                         \
+       } STMT_END
+
+#define THREAD_CREATE(thr, f)  (thr->self = cthread_fork(f, thr), 0)
+#define THREAD_POST_CREATE(thr)
+
+#define THREAD_RET_TYPE                any_t
+#define THREAD_RET_CAST(x)     ((any_t) x)
+
+#define DETACH(t)              cthread_detach(t->self)
+#define JOIN(t, avp)           (*(avp) = (AV *)cthread_join(t->self))
+
+#define SET_THR(thr)           cthread_set_data(cthread_self(), thr)
+#define THR                    ((struct perl_thread *)cthread_data(cthread_self()))
+
+#define INIT_THREADS           cthread_init()
+#define YIELD                  cthread_yield()
+#define ALLOC_THREAD_KEY
+#define SET_THREAD_SELF(thr)   (thr->self = cthread_self())
+
+#endif /* I_MACH_CTHREADS */
+
+#ifndef YIELD
+#  ifdef SCHED_YIELD
+#    define YIELD SCHED_YIELD
+#  else
+#    ifdef HAS_SCHED_YIELD
+#      define YIELD sched_yield()
+#    else
+#      ifdef HAS_PTHREAD_YIELD
+    /* pthread_yield(NULL) platforms are expected
+     * to have #defined YIELD for themselves. */
+#        define YIELD pthread_yield()
+#      endif
+#    endif
+#  endif
+#endif
 
-    /* The fields that used to be global */
-    SV **      Tstack_base;
-    SV **      Tstack_sp;
-    SV **      Tstack_max;
+#ifdef __hpux
+#  define MUTEX_INIT_NEEDS_MUTEX_ZEROED
+#endif
 
-#ifdef OP_IN_REGISTER
-    OP *       Topsave;
+#ifndef MUTEX_INIT
+#ifdef MUTEX_INIT_NEEDS_MUTEX_ZEROED
+    /* Temporary workaround, true bug is deeper. --jhi 1999-02-25 */
+#define MUTEX_INIT(m)                                          \
+    STMT_START {                                               \
+       Zero((m), 1, perl_mutex);                               \
+       if (pthread_mutex_init((m), pthread_mutexattr_default)) \
+           Perl_croak(aTHX_ "panic: MUTEX_INIT");                              \
+    } STMT_END
 #else
-    OP *       Top;
+#define MUTEX_INIT(m)                                          \
+    STMT_START {                                               \
+       if (pthread_mutex_init((m), pthread_mutexattr_default)) \
+           Perl_croak(aTHX_ "panic: MUTEX_INIT");                              \
+    } STMT_END
 #endif
+#define MUTEX_LOCK(m)                          \
+    STMT_START {                               \
+       if (pthread_mutex_lock((m)))            \
+           Perl_croak(aTHX_ "panic: MUTEX_LOCK");              \
+    } STMT_END
+#define MUTEX_UNLOCK(m)                                \
+    STMT_START {                               \
+       if (pthread_mutex_unlock((m)))          \
+           Perl_croak(aTHX_ "panic: MUTEX_UNLOCK");    \
+    } STMT_END
+#define MUTEX_LOCK_NOCONTEXT(m)                                \
+    STMT_START {                                       \
+       if (pthread_mutex_lock((m)))                    \
+           Perl_croak_nocontext("panic: MUTEX_LOCK");  \
+    } STMT_END
+#define MUTEX_UNLOCK_NOCONTEXT(m)                      \
+    STMT_START {                                       \
+       if (pthread_mutex_unlock((m)))                  \
+           Perl_croak_nocontext("panic: MUTEX_UNLOCK");\
+    } STMT_END
+#define MUTEX_DESTROY(m)                       \
+    STMT_START {                               \
+       if (pthread_mutex_destroy((m)))         \
+           Perl_croak(aTHX_ "panic: MUTEX_DESTROY");   \
+    } STMT_END
+#endif /* MUTEX_INIT */
 
-    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 **      Tcurpad;
-
-    SV *       TSv;
-    XPV *      TXpv;
-    char       Tbuf[2048];     /* should be a global locked by a mutex */
-    char       Ttokenbuf[256]; /* should be a global locked by a mutex */
-    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_mutex *Tthreadstart_mutexp;
-    HV *       Tcvcache;
-    U32                Tthrflags;
-
-#ifdef FAKE_THREADS
-    perl_thread next, prev;            /* Linked list of all 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 thrflags */
-#define THR_STATE_MASK 3
-#define THR_NORMAL     0
-#define THR_DETACHED   1
-#define THR_JOINED     2
-#define THR_DEAD       3
-
-#define ThrSTATE(t)    (t->Tthrflags & THR_STATE_MASK)
+#ifndef COND_INIT
+#define COND_INIT(c)                                           \
+    STMT_START {                                               \
+       if (pthread_cond_init((c), pthread_condattr_default))   \
+           Perl_croak(aTHX_ "panic: COND_INIT");                               \
+    } STMT_END
+#define COND_SIGNAL(c)                         \
+    STMT_START {                               \
+       if (pthread_cond_signal((c)))           \
+           Perl_croak(aTHX_ "panic: COND_SIGNAL");     \
+    } STMT_END
+#define COND_BROADCAST(c)                      \
+    STMT_START {                               \
+       if (pthread_cond_broadcast((c)))        \
+           Perl_croak(aTHX_ "panic: COND_BROADCAST");  \
+    } STMT_END
+#define COND_WAIT(c, m)                                \
+    STMT_START {                               \
+       if (pthread_cond_wait((c), (m)))        \
+           Perl_croak(aTHX_ "panic: COND_WAIT");               \
+    } STMT_END
+#define COND_DESTROY(c)                                \
+    STMT_START {                               \
+       if (pthread_cond_destroy((c)))          \
+           Perl_croak(aTHX_ "panic: COND_DESTROY");    \
+    } STMT_END
+#endif /* COND_INIT */
+
+/* DETACH(t) must only be called while holding t->mutex */
+#ifndef DETACH
+#define DETACH(t)                              \
+    STMT_START {                               \
+       if (pthread_detach((t)->self)) {        \
+           MUTEX_UNLOCK(&(t)->mutex);          \
+           Perl_croak(aTHX_ "panic: DETACH");          \
+       }                                       \
+    } STMT_END
+#endif /* DETACH */
+
+#ifndef JOIN
+#define JOIN(t, avp)                                   \
+    STMT_START {                                       \
+       if (pthread_join((t)->self, (void**)(avp)))     \
+           Perl_croak(aTHX_ "panic: pthread_join");            \
+    } STMT_END
+#endif /* JOIN */
+
+#ifndef SET_THR
+#define SET_THR(t)                                     \
+    STMT_START {                                       \
+       if (pthread_setspecific(PL_thr_key, (void *) (t)))      \
+           Perl_croak(aTHX_ "panic: pthread_setspecific");     \
+    } STMT_END
+#endif /* SET_THR */
+
+#ifndef INIT_THREADS
+#  ifdef NEED_PTHREAD_INIT
+#    define INIT_THREADS pthread_init()
+#  endif
+#endif
+
+#ifndef THREAD_RET_TYPE
+#  define THREAD_RET_TYPE      void *
+#  define THREAD_RET_CAST(p)   ((void *)(p))
+#endif /* THREAD_RET */
+
+#if defined(USE_THREADS)
+
+/*
+ * dTHR is performance-critical. Here, we only do the pthread_get_specific
+ * if there may be more than one thread in existence, otherwise we get thr
+ * from thrsv which is cached in the per-interpreter structure.
+ * Systems with very fast pthread_get_specific (which should be all systems
+ * but unfortunately isn't) may wish to simplify to "...*thr = THR".
+ *
+ * The use of PL_threadnum should be safe here.
+ */
+#  if !defined(dTHR)
+#    define dTHR \
+    struct perl_thread *thr = PL_threadnum ? THR : (struct perl_thread*)SvPVX(PL_thrsv)
+#  endif /* dTHR */
+
+#  if !defined(THR)
+#    define THR ((struct perl_thread *) pthread_getspecific(PL_thr_key))
+#  endif
+
+
+/* Accessor for per-thread SVs */
+#  define THREADSV(i) (thr->threadsvp[i])
+
+/*
+ * LOCK_SV_MUTEX and UNLOCK_SV_MUTEX are performance-critical. Here, we
+ * try only locking them if there may be more than one thread in existence.
+ * Systems with very fast mutexes (and/or slow conditionals) may wish to
+ * remove the "if (threadnum) ..." test.
+ * XXX do NOT use C<if (PL_threadnum) ...> -- it sets up race conditions!
+ */
+#  define LOCK_SV_MUTEX                MUTEX_LOCK(&PL_sv_mutex)
+#  define UNLOCK_SV_MUTEX      MUTEX_UNLOCK(&PL_sv_mutex)
+#  define LOCK_STRTAB_MUTEX    MUTEX_LOCK(&PL_strtab_mutex)
+#  define UNLOCK_STRTAB_MUTEX  MUTEX_UNLOCK(&PL_strtab_mutex)
+#  define LOCK_CRED_MUTEX      MUTEX_LOCK(&PL_cred_mutex)
+#  define UNLOCK_CRED_MUTEX    MUTEX_UNLOCK(&PL_cred_mutex)
+
+
+/* Values and macros for thr->flags */
+#define THRf_STATE_MASK        7
+#define THRf_R_JOINABLE        0
+#define THRf_R_JOINED  1
+#define THRf_R_DETACHED        2
+#define THRf_ZOMBIE    3
+#define THRf_DEAD      4
+
+#define THRf_DID_DIE   8
+
+/* ThrSTATE(t) and ThrSETSTATE(t) must only be called while holding t->mutex */
+#define ThrSTATE(t) ((t)->flags & THRf_STATE_MASK)
 #define ThrSETSTATE(t, s) STMT_START {         \
-       (t)->Tthrflags &= ~THR_STATE_MASK;      \
-       (t)->Tthrflags |= (s);                  \
-       DEBUG_L(fprintf(stderr, "thread 0x%lx set to state %d\n", \
-                       (unsigned long)(t), (s))); \
+       (t)->flags &= ~THRf_STATE_MASK;         \
+       (t)->flags |= (s);                      \
+       DEBUG_S(PerlIO_printf(Perl_debug_log,   \
+                             "thread %p set to state %d\n", (t), (s))); \
     } STMT_END
 
 typedef struct condpair {
-    perl_mutex mutex;
-    perl_cond  owner_cond;
-    perl_cond  cond;
-    Thread     owner;
+    perl_mutex mutex;          /* Protects all other fields */
+    perl_cond  owner_cond;     /* For when owner changes at all */
+    perl_cond  cond;           /* For cond_signal and cond_broadcast */
+    Thread     owner;          /* Currently owning thread */
 } condpair_t;
 
 #define MgMUTEXP(mg) (&((condpair_t *)(mg->mg_ptr))->mutex)
@@ -192,98 +319,85 @@ typedef struct condpair {
 #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 top_env
-#undef runlevel
-#undef in_eval
-#undef restartop
-#undef delaymagic
-#undef dirty
-#undef localizing
-
-#define self           (thr->Tself)
-#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 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)
-#define        thrflags        (thr->Tthrflags)
 #endif /* USE_THREADS */
+#endif /* USE_THREADS || USE_ITHREADS */
+
+#ifndef MUTEX_LOCK
+#  define MUTEX_LOCK(m)
+#endif
+
+#ifndef MUTEX_LOCK_NOCONTEXT
+#  define MUTEX_LOCK_NOCONTEXT(m)
+#endif
+
+#ifndef MUTEX_UNLOCK
+#  define MUTEX_UNLOCK(m)
+#endif
+
+#ifndef MUTEX_UNLOCK_NOCONTEXT
+#  define MUTEX_UNLOCK_NOCONTEXT(m)
+#endif
+
+#ifndef MUTEX_INIT
+#  define MUTEX_INIT(m)
+#endif
+
+#ifndef MUTEX_DESTROY
+#  define MUTEX_DESTROY(m)
+#endif
+
+#ifndef COND_INIT
+#  define COND_INIT(c)
+#endif
+
+#ifndef COND_SIGNAL
+#  define COND_SIGNAL(c)
+#endif
+
+#ifndef COND_BROADCAST
+#  define COND_BROADCAST(c)
+#endif
+
+#ifndef COND_WAIT
+#  define COND_WAIT(c, m)
+#endif
+
+#ifndef COND_DESTROY
+#  define COND_DESTROY(c)
+#endif
+
+#ifndef LOCK_SV_MUTEX
+#  define LOCK_SV_MUTEX
+#endif
+
+#ifndef UNLOCK_SV_MUTEX
+#  define UNLOCK_SV_MUTEX
+#endif
+
+#ifndef LOCK_STRTAB_MUTEX
+#  define LOCK_STRTAB_MUTEX
+#endif
+
+#ifndef UNLOCK_STRTAB_MUTEX
+#  define UNLOCK_STRTAB_MUTEX
+#endif
+
+#ifndef LOCK_CRED_MUTEX
+#  define LOCK_CRED_MUTEX
+#endif
+
+#ifndef UNLOCK_CRED_MUTEX
+#  define UNLOCK_CRED_MUTEX
+#endif
+
+#ifndef THR
+#  define THR
+#endif
+
+#ifndef dTHR
+#  define dTHR dNOOP
+#endif
+
+#ifndef INIT_THREADS
+#  define INIT_THREADS NOOP
+#endif