From: Gurusamy Sarathy <gsar@cpan.org>
Date: Tue, 29 Feb 2000 15:31:56 +0000 (+0000)
Subject: more adjustments needed for change#5342 under use5005threads
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=06d860507700419d9cf04cbf3dc2f06c906c546d;p=p5sagit%2Fp5-mst-13.2.git

more adjustments needed for change#5342 under use5005threads

p4raw-link: @5342 on //depot/perl: ba869debd80c55cfae8e9d4de0991d62f9efcb9b

p4raw-id: //depot/perl@5351
---

diff --git a/ext/Thread/Thread.xs b/ext/Thread/Thread.xs
index 6cc1081..4b5e6db 100644
--- a/ext/Thread/Thread.xs
+++ b/ext/Thread/Thread.xs
@@ -98,7 +98,7 @@ threadstart(void *arg)
     DEBUG_S(PerlIO_printf(Perl_debug_log, "new thread %p waiting to start\n",
 			  thr));
 
-    /* Don't call *anything* requiring dTHR until after SET_THR() */
+    /* Don't call *anything* requiring dTHR until after PERL_SET_THX() */
     /*
      * Wait until our creator releases us. If we didn't do this, then
      * it would be potentially possible for out thread to carry on and
@@ -114,7 +114,7 @@ threadstart(void *arg)
      * from our pthread_t structure to our struct perl_thread, since
      * we're the only thread who can get at it anyway.
      */
-    SET_THR(thr);
+    PERL_SET_THX(thr);
 
     /* Only now can we use SvPEEK (which calls sv_newmortal which does dTHR) */
     DEBUG_S(PerlIO_printf(Perl_debug_log, "new thread %p starting at %s\n",
@@ -252,7 +252,7 @@ newthread (pTHX_ SV *startsv, AV *initargs, char *classname)
      * XPUSHs() below want to grow the child's stack.  This is
      * safe, since the other thread is not yet created, and we
      * are the only ones who know about it */
-    SET_THR(thr);
+    PERL_SET_THX(thr);
     SPAGAIN;
     DEBUG_S(PerlIO_printf(Perl_debug_log,
 			  "%p: newthread (%p), tid is %u, preparing stack\n",
@@ -266,7 +266,7 @@ newthread (pTHX_ SV *startsv, AV *initargs, char *classname)
     PUTBACK;
 
     /* On your marks... */
-    SET_THR(savethread);
+    PERL_SET_THX(savethread);
     MUTEX_LOCK(&thr->mutex);
 
 #ifdef THREAD_CREATE
diff --git a/perl.c b/perl.c
index 9da19e0..cba035f 100644
--- a/perl.c
+++ b/perl.c
@@ -47,6 +47,37 @@ static I32 read_e_script(pTHXo_ int idx, SV *buf_sv, int maxlen);
 #define perl_free	Perl_free
 #endif
 
+#if defined(USE_THREADS)
+#  define INIT_TLS_AND_INTERP \
+    STMT_START {				\
+	if (!PL_curinterp) {			\
+	    PERL_SET_INTERP(my_perl);		\
+	    INIT_THREADS;			\
+	    ALLOC_THREAD_KEY;			\
+	}					\
+    } STMT_END
+#else
+#  if defined(USE_ITHREADS)
+#  define INIT_TLS_AND_INTERP \
+    STMT_START {				\
+	if (!PL_curinterp) {			\
+	    PERL_SET_INTERP(my_perl);		\
+	    INIT_THREADS;			\
+	    ALLOC_THREAD_KEY;			\
+	}					\
+	PERL_SET_THX(my_perl);			\
+    } STMT_END
+#  else
+#  define INIT_TLS_AND_INTERP \
+    STMT_START {				\
+	if (!PL_curinterp) {			\
+	    PERL_SET_INTERP(my_perl);		\
+	}					\
+	PERL_SET_THX(my_perl);			\
+    } STMT_END
+#  endif
+#endif
+
 #ifdef PERL_IMPLICIT_SYS
 PerlInterpreter *
 perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS,
@@ -59,25 +90,11 @@ perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS,
 #ifdef PERL_OBJECT
     my_perl = (PerlInterpreter*)new(ipM) CPerlObj(ipM, ipMS, ipMP, ipE, ipStd,
 						  ipLIO, ipD, ipS, ipP);
-    if (!PL_curinterp) {
-	PERL_SET_INTERP(my_perl);
-#if defined(USE_THREADS) || defined(USE_ITHREADS)
-    	INIT_THREADS;
-        ALLOC_THREAD_KEY;
-#endif
-    }
-    PERL_SET_THX(my_perl);
+    INIT_TLS_AND_INTERP;
 #else
     /* New() needs interpreter, so call malloc() instead */
     my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter));
-    if (!PL_curinterp) {
-	PERL_SET_INTERP(my_perl);
-#if defined(USE_THREADS) || defined(USE_ITHREADS)
-    	INIT_THREADS;
-        ALLOC_THREAD_KEY;
-#endif
-    }
-    PERL_SET_THX(my_perl);
+    INIT_TLS_AND_INTERP;
     Zero(my_perl, 1, PerlInterpreter);
     PL_Mem = ipM;
     PL_MemShared = ipMS;
@@ -110,14 +127,7 @@ perl_alloc(void)
     /* New() needs interpreter, so call malloc() instead */
     my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter));
 
-    if (!PL_curinterp) {
-	PERL_SET_INTERP(my_perl);
-#if defined(USE_THREADS) || defined(USE_ITHREADS)
-    	INIT_THREADS;
-        ALLOC_THREAD_KEY;
-#endif
-    }
-    PERL_SET_THX(my_perl);
+    INIT_TLS_AND_INTERP;
     Zero(my_perl, 1, PerlInterpreter);
     return my_perl;
 }
@@ -3416,7 +3426,7 @@ S_init_main_thread(pTHX)
 #else
     thr->self = pthread_self();
 #endif /* SET_THREAD_SELF */
-    SET_THR(thr);
+    PERL_SET_THX(thr);
 
     /*
      * These must come after the SET_THR because sv_setpvn does
diff --git a/perl.h b/perl.h
index 30961c5..f5dfacc 100644
--- a/perl.h
+++ b/perl.h
@@ -1731,14 +1731,6 @@ typedef pthread_key_t	perl_key;
 #  define PERL_GET_INTERP		(PL_curinterp)
 #endif
 
-#ifndef PERL_SET_CONTEXT
-#  define PERL_SET_CONTEXT(i)		PERL_SET_INTERP(i)
-#endif
-
-#ifndef PERL_GET_CONTEXT
-#  define PERL_GET_CONTEXT		PERL_GET_INTERP
-#endif
-
 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
 #  ifdef USE_THREADS
 #    define PERL_GET_THX		((struct perl_thread *)PERL_GET_CONTEXT)
@@ -1754,14 +1746,6 @@ typedef pthread_key_t	perl_key;
 #  define PERL_SET_THX(t)		PERL_SET_CONTEXT(t)
 #endif
 
-#ifndef PERL_GET_THX
-#  define PERL_GET_THX			((void*)NULL)
-#endif
-
-#ifndef PERL_SET_THX
-#  define PERL_SET_THX(t)		NOOP
-#endif
-
 #ifndef SVf
 #  ifdef CHECK_FORMAT
 #    define SVf "p"
@@ -3125,6 +3109,23 @@ typedef struct am_table_short AMTS;
 #define printf PerlIO_stdoutf
 #endif
 
+/* if these never got defined, they need defaults */
+#ifndef PERL_SET_CONTEXT
+#  define PERL_SET_CONTEXT(i)		PERL_SET_INTERP(i)
+#endif
+
+#ifndef PERL_GET_CONTEXT
+#  define PERL_GET_CONTEXT		PERL_GET_INTERP
+#endif
+
+#ifndef PERL_GET_THX
+#  define PERL_GET_THX			((void*)NULL)
+#endif
+
+#ifndef PERL_SET_THX
+#  define PERL_SET_THX(t)		NOOP
+#endif
+
 #ifndef PERL_SCRIPT_MODE
 #define PERL_SCRIPT_MODE "r"
 #endif