diff options
Diffstat (limited to 'contrib/perl5/thread.h')
-rw-r--r-- | contrib/perl5/thread.h | 432 |
1 files changed, 0 insertions, 432 deletions
diff --git a/contrib/perl5/thread.h b/contrib/perl5/thread.h deleted file mode 100644 index 1b12978..0000000 --- a/contrib/perl5/thread.h +++ /dev/null @@ -1,432 +0,0 @@ -#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_nocontext("panic: DETACH"); \ - } \ - } STMT_END - -# define PERL_GET_CONTEXT Perl_get_context() -# define PERL_SET_CONTEXT(t) Perl_set_context((void*)t) - -# 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(__hpux) && defined(__ux_version) && __ux_version <= 1020 -# define pthread_attr_init(a) pthread_attr_create(a) - /* XXX pthread_setdetach_np() missing in DCE threads on HP-UX 10.20 */ -# define PTHREAD_ATTR_SETDETACHSTATE(a,s) (0) -# 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 -# if !defined(__hpux) || !defined(__ux_version) || __ux_version > 1020 -# define pthread_mutexattr_default NULL -# define pthread_condattr_default NULL -# endif -#endif - -#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 - -#ifndef PTHREAD_ATTR_SETDETACHSTATE -# define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,s) -#endif - -#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 - -#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_nocontext("panic: MUTEX_INIT"); \ - } \ - } STMT_END - -#define MUTEX_LOCK(m) mutex_lock(*m) -#define MUTEX_UNLOCK(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_nocontext("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 PERL_SET_CONTEXT(t) cthread_set_data(cthread_self(), t) -#define PERL_GET_CONTEXT cthread_data(cthread_self()) - -#define INIT_THREADS cthread_init() -#define YIELD cthread_yield() -#define ALLOC_THREAD_KEY NOOP -#define FREE_THREAD_KEY NOOP -#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 - -#ifdef __hpux -# define MUTEX_INIT_NEEDS_MUTEX_ZEROED -#endif - -#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_nocontext("panic: MUTEX_INIT"); \ - } STMT_END -# else -# define MUTEX_INIT(m) \ - STMT_START { \ - if (pthread_mutex_init((m), pthread_mutexattr_default)) \ - Perl_croak_nocontext("panic: MUTEX_INIT"); \ - } STMT_END -# endif - -# define MUTEX_LOCK(m) \ - STMT_START { \ - if (pthread_mutex_lock((m))) \ - Perl_croak_nocontext("panic: MUTEX_LOCK"); \ - } STMT_END - -# define MUTEX_UNLOCK(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_nocontext("panic: MUTEX_DESTROY"); \ - } STMT_END -#endif /* MUTEX_INIT */ - -#ifndef COND_INIT -# define COND_INIT(c) \ - STMT_START { \ - if (pthread_cond_init((c), pthread_condattr_default)) \ - Perl_croak_nocontext("panic: COND_INIT"); \ - } STMT_END - -# define COND_SIGNAL(c) \ - STMT_START { \ - if (pthread_cond_signal((c))) \ - Perl_croak_nocontext("panic: COND_SIGNAL"); \ - } STMT_END - -# define COND_BROADCAST(c) \ - STMT_START { \ - if (pthread_cond_broadcast((c))) \ - Perl_croak_nocontext("panic: COND_BROADCAST"); \ - } STMT_END - -# define COND_WAIT(c, m) \ - STMT_START { \ - if (pthread_cond_wait((c), (m))) \ - Perl_croak_nocontext("panic: COND_WAIT"); \ - } STMT_END - -# define COND_DESTROY(c) \ - STMT_START { \ - if (pthread_cond_destroy((c))) \ - Perl_croak_nocontext("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_nocontext("panic: DETACH"); \ - } \ - } STMT_END -#endif /* DETACH */ - -#ifndef JOIN -# define JOIN(t, avp) \ - STMT_START { \ - if (pthread_join((t)->self, (void**)(avp))) \ - Perl_croak_nocontext("panic: pthread_join"); \ - } STMT_END -#endif /* JOIN */ - -#ifndef PERL_GET_CONTEXT -# define PERL_GET_CONTEXT pthread_getspecific(PL_thr_key) -#endif - -#ifndef PERL_SET_CONTEXT -# define PERL_SET_CONTEXT(t) \ - STMT_START { \ - if (pthread_setspecific(PL_thr_key, (void *)(t))) \ - Perl_croak_nocontext("panic: pthread_setspecific"); \ - } STMT_END -#endif /* PERL_SET_CONTEXT */ - -#ifndef INIT_THREADS -# ifdef NEED_PTHREAD_INIT -# define INIT_THREADS pthread_init() -# endif -#endif - -#ifndef ALLOC_THREAD_KEY -# define ALLOC_THREAD_KEY \ - STMT_START { \ - if (pthread_key_create(&PL_thr_key, 0)) { \ - PerlIO_printf(PerlIO_stderr(), "panic: pthread_key_create"); \ - exit(1); \ - } \ - } STMT_END -#endif - -#ifndef FREE_THREAD_KEY -# define FREE_THREAD_KEY \ - STMT_START { \ - pthread_key_delete(PL_thr_key); \ - } STMT_END -#endif - -#ifndef THREAD_RET_TYPE -# define THREAD_RET_TYPE void * -# define THREAD_RET_CAST(p) ((void *)(p)) -#endif /* THREAD_RET */ - -#if defined(USE_THREADS) - -/* 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) -# define LOCK_FDPID_MUTEX MUTEX_LOCK(&PL_fdpid_mutex) -# define UNLOCK_FDPID_MUTEX MUTEX_UNLOCK(&PL_fdpid_mutex) -# define LOCK_SV_LOCK_MUTEX MUTEX_LOCK(&PL_sv_lock_mutex) -# define UNLOCK_SV_LOCK_MUTEX MUTEX_UNLOCK(&PL_sv_lock_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)->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; /* 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) -#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 - -#endif /* USE_THREADS */ -#endif /* USE_THREADS || USE_ITHREADS */ - -#ifndef MUTEX_LOCK -# define MUTEX_LOCK(m) -#endif - -#ifndef MUTEX_UNLOCK -# define MUTEX_UNLOCK(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 LOCK_FDPID_MUTEX -# define LOCK_FDPID_MUTEX -#endif - -#ifndef UNLOCK_FDPID_MUTEX -# define UNLOCK_FDPID_MUTEX -#endif - -#ifndef LOCK_SV_LOCK_MUTEX -# define LOCK_SV_LOCK_MUTEX -#endif - -#ifndef UNLOCK_SV_LOCK_MUTEX -# define UNLOCK_SV_LOCK_MUTEX -#endif - -/* THR, SET_THR, and dTHR are there for compatibility with old versions */ -#ifndef THR -# define THR PERL_GET_THX -#endif - -#ifndef SET_THR -# define SET_THR(t) PERL_SET_THX(t) -#endif - -#ifndef dTHR -# define dTHR dNOOP -#endif - -#ifndef INIT_THREADS -# define INIT_THREADS NOOP -#endif |