From 475b4aa40b6cf83e57176a063d368d55bf779e7c Mon Sep 17 00:00:00 2001 From: normal Date: Fri, 20 Apr 2018 21:38:27 +0000 Subject: simplify altstack and enable reuse with thread cache Instead of allocating and registering the altstack in different places, do it together to reduce code and improve readability. When thread cache is enabled, storing altstack in rb_thread_t is wasteful and we may reuse altstack in the same pthread. This also lets us clearly allow use of xmalloc to allow GC to recover from ENOMEM. [ruby-core:85621] [Feature #14487] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63213 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- gc.c | 10 ---------- 1 file changed, 10 deletions(-) (limited to 'gc.c') diff --git a/gc.c b/gc.c index b0c9041948..b9c1305060 100644 --- a/gc.c +++ b/gc.c @@ -2403,16 +2403,6 @@ Init_heap(void) heap_add_pages(objspace, heap_eden, gc_params.heap_init_slots / HEAP_PAGE_OBJ_LIMIT); init_mark_stack(&objspace->mark_stack); -#ifdef USE_SIGALTSTACK - { - /* altstack of another threads are allocated in another place */ - rb_thread_t *th = GET_THREAD(); - void *tmp = th->altstack; - th->altstack = malloc(rb_sigaltstack_size()); - free(tmp); /* free previously allocated area */ - } -#endif - objspace->profile.invoke_time = getrusage_time(); finalizer_table = st_init_numtable(); } -- cgit v1.2.3