Add a 'volatile' to the declaration of threadid in get_thread_ident().

gvanrossum · gvanrossum · commit 44ee479427dd · 1998-08-27T19:21:53.000Z
According to Vladimir Marangozov, this is necessary for AIX, where
high optimization levels inline this function and then get it wrong :-(
diff --git a/Python/thread_pthread.h b/Python/thread_pthread.h
@@ -167,7 +167,7 @@ int start_new_thread _P2(func, void (*func) _P((void *)), arg, void *arg)
 
 long get_thread_ident _P0()
 {
-	pthread_t threadid;
+	volatile pthread_t threadid;
 	if (!initialized)
 		init_thread();
 	/* Jump through some hoops for Alpha OSF/1 */

Original file line number	Diff line number	Diff line change
`@@ -167,7 +167,7 @@ int start_new_thread _P2(func, void (func) _P((void )), arg, void *arg)`
`167`	`167`
`168`	`168`	`long get_thread_ident _P0()`
`169`	`169`	`{`
`170`		`- pthread_t threadid;`
	`170`	`+ volatile pthread_t threadid;`
`171`	`171`	`if (!initialized)`
`172`	`172`	`init_thread();`
`173`	`173`	`/* Jump through some hoops for Alpha OSF/1 */`