X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=thread.h;h=1b57ebe9dc71dd165f53b6978ad5874694158f99;hb=fa05a9fd14fa1e936b4708399d5cb3873024a775;hp=fae53f16171e5a11894f8d8b4a16388cfd1a12c4;hpb=52e18b1f277416a33dff2c066a83fdab0520a2d7;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/thread.h b/thread.h
index fae53f1..1b57ebe 100644
--- a/thread.h
+++ b/thread.h
@@ -1,4 +1,13 @@
-#if defined(USE_THREADS) || defined(USE_ITHREADS)
+/*    thread.h
+ *
+ *    Copyright (c) 1997-2002, Larry Wall
+ *
+ *    You may distribute under the terms of either the GNU General Public
+ *    License or the Artistic License, as specified in the README file.
+ *
+ */
+
+#if defined(USE_ITHREADS)
 
 #if defined(VMS)
 #include <builtins.h>
@@ -78,7 +87,7 @@
 #endif
 
 #ifdef DGUX
-#  define THREAD_CREATE_NEEDS_STACK (16*1024)
+#  define THREAD_CREATE_NEEDS_STACK (32*1024)
 #endif
 
 #ifdef I_MACH_CTHREADS
@@ -257,7 +266,7 @@
  * It would fail if the key were bogus, but if the key were bogus then
  * Really Bad Things would be happening anyway. --dan */
 #if (defined(__ALPHA) && (__VMS_VER >= 70000000)) || \
-    (defined(__alpha) && defined(__osf__)) /* Available only on >= 4.0 */
+    (defined(__alpha) && defined(__osf__) && !defined(__GNUC__)) /* Available only on >= 4.0 */
 #  define HAS_PTHREAD_UNCHECKED_GETSPECIFIC_NP /* Configure test needed */
 #endif
 
@@ -317,62 +326,10 @@
 #  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
+#  define LOCK_DOLLARZERO_MUTEX		MUTEX_LOCK(&PL_dollarzero_mutex)
+#  define UNLOCK_DOLLARZERO_MUTEX	MUTEX_UNLOCK(&PL_dollarzero_mutex)
 
-#endif /* USE_THREADS */
-#endif /* USE_THREADS || USE_ITHREADS */
+#endif /* USE_ITHREADS */
 
 #ifndef MUTEX_LOCK
 #  define MUTEX_LOCK(m)
@@ -450,6 +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