X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=thread.h;h=1b57ebe9dc71dd165f53b6978ad5874694158f99;hb=3f774658ecc4b04691265c9db31d70a4a611b290;hp=7371c81a0ed53b8eef1404b2933ce2e5c3644c8a;hpb=cb23e6a442dc2c0b012e000464ec63c7cf4171fa;p=p5sagit%2Fp5-mst-13.2.git diff --git a/thread.h b/thread.h index 7371c81..1b57ebe 100644 --- a/thread.h +++ b/thread.h @@ -7,7 +7,7 @@ * */ -#if defined(USE_5005THREADS) || defined(USE_ITHREADS) +#if defined(USE_ITHREADS) #if defined(VMS) #include @@ -326,62 +326,10 @@ # define THREAD_RET_CAST(p) ((void *)(p)) #endif /* THREAD_RET */ -#if defined(USE_5005THREADS) +# define LOCK_DOLLARZERO_MUTEX MUTEX_LOCK(&PL_dollarzero_mutex) +# define UNLOCK_DOLLARZERO_MUTEX MUTEX_UNLOCK(&PL_dollarzero_mutex) -/* 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 -- 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_5005THREADS */ -#endif /* USE_5005THREADS || USE_ITHREADS */ +#endif /* USE_ITHREADS */ #ifndef MUTEX_LOCK # define MUTEX_LOCK(m) @@ -459,6 +407,14 @@ typedef struct condpair { # define UNLOCK_SV_LOCK_MUTEX #endif +#ifndef LOCK_DOLLARZERO_MUTEX +# define LOCK_DOLLARZERO_MUTEX +#endif + +#ifndef UNLOCK_DOLLARZERO_MUTEX +# define UNLOCK_DOLLARZERO_MUTEX +#endif + /* THR, SET_THR, and dTHR are there for compatibility with old versions */ #ifndef THR # define THR PERL_GET_THX