thread_pthread: remove HAVE_PTHREAD_ATTR_INIT ifdefs

ifdefs make code confusing for my easily-confused mind :<
These were added for NaCL support in r36022, and we dropped NaCL
in r60374.  There are more #ifdefs to remove...

[ruby-core:84758] [Misc #14342]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61719 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 2 insertions, 15 deletions

diff --git a/configure.ac b/configure.ac
index 90ce91bf7c..37e50fe47d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2963,7 +2963,7 @@ AS_IF([test x"$enable_pthread" = xyes], [
 	AC_DEFINE(NON_SCALAR_THREAD_ID)
     ])
     AC_CHECK_FUNCS(sched_yield pthread_attr_setinheritsched \
-	pthread_attr_get_np pthread_attr_getstack pthread_attr_init \
+	pthread_attr_get_np pthread_attr_getstack \
 	pthread_get_stackaddr_np pthread_get_stacksize_np \
 	thr_stksegment pthread_stackseg_np pthread_getthrds_np \
 	pthread_cond_init pthread_condattr_setclock pthread_condattr_init \
diff --git a/thread_pthread.c b/thread_pthread.c
index 35607db835..9d27ddb623 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -991,12 +991,8 @@ native_thread_create(rb_thread_t *th)
 	thread_debug("create (use cached thread): %p\n", (void *)th);
     }
     else {
-#ifdef HAVE_PTHREAD_ATTR_INIT
 	pthread_attr_t attr;
 	pthread_attr_t *const attrp = &attr;
-#else
-	pthread_attr_t *const attrp = NULL;
-#endif
 	const size_t stack_size = th->vm->default_params.thread_machine_stack_size;
 	const size_t space = space_size(stack_size);
 
@@ -1006,7 +1002,6 @@ native_thread_create(rb_thread_t *th)
         th->ec->machine.register_stack_maxsize = th->ec->machine.stack_maxsize;
 #endif
 
-#ifdef HAVE_PTHREAD_ATTR_INIT
 	CHECK_ERR(pthread_attr_init(&attr));
 
 # ifdef PTHREAD_STACK_MIN
@@ -1018,7 +1013,7 @@ native_thread_create(rb_thread_t *th)
 	CHECK_ERR(pthread_attr_setinheritsched(&attr, PTHREAD_INHERIT_SCHED));
 # endif
 	CHECK_ERR(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED));
-#endif
+
 #ifdef get_stack_of
 	native_mutex_lock(&th->interrupt_lock);
 #endif
@@ -1034,9 +1029,7 @@ native_thread_create(rb_thread_t *th)
 	thread_debug("create: %p (%d)\n", (void *)th, err);
 	/* should be done in the created thread */
 	fill_thread_id_str(th);
-#ifdef HAVE_PTHREAD_ATTR_INIT
 	CHECK_ERR(pthread_attr_destroy(&attr));
-#endif
     }
     return err;
 }
@@ -1596,7 +1589,6 @@ rb_thread_create_timer_thread(void)
     if (!timer_thread.created) {
 	size_t stack_size = 0;
 	int err;
-#ifdef HAVE_PTHREAD_ATTR_INIT
 	pthread_attr_t attr;
 	rb_vm_t *vm = GET_VM();
 
@@ -1631,7 +1623,6 @@ rb_thread_create_timer_thread(void)
 	    }
 	}
 # endif
-#endif
 
 #if USE_SLEEPY_TIMER_THREAD
 	err = setup_communication_pipe();
@@ -1646,7 +1637,6 @@ rb_thread_create_timer_thread(void)
 	if (timer_thread.created) {
 	    rb_bug("rb_thread_create_timer_thread: Timer thread was already created\n");
 	}
-#ifdef HAVE_PTHREAD_ATTR_INIT
 	err = pthread_create(&timer_thread.id, &attr, thread_timer, &vm->gvl);
 	pthread_attr_destroy(&attr);
 
@@ -1660,9 +1650,6 @@ rb_thread_create_timer_thread(void)
 	    stack_size = 0;
 	    err = pthread_create(&timer_thread.id, NULL, thread_timer, &vm->gvl);
 	}
-#else
-	err = pthread_create(&timer_thread.id, NULL, thread_timer, &vm->gvl);
-#endif
 	if (err != 0) {
 	    rb_warn("pthread_create failed for timer: %s, scheduling broken",
 		    strerror(err));