From 302fcb568d817bed348f554f1be28951ad924449 Mon Sep 17 00:00:00 2001 From: kosaki Date: Wed, 6 Jul 2011 12:22:56 +0000 Subject: * cont.c (fiber_machine_stack_alloc): use MAP_FAILED instead of -1. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32419 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 4 ++++ cont.c | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/ChangeLog b/ChangeLog index 976cc42d04..599144ebbe 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +Wed Jul 6 21:22:16 2011 KOSAKI Motohiro + + * cont.c (fiber_machine_stack_alloc): use MAP_FAILED instead of -1. + Wed Jul 6 21:21:05 2011 KOSAKI Motohiro * cont.c (fiber_machine_stack_alloc): remove unnecessary cast. diff --git a/cont.c b/cont.c index e260a40053..db4d93bca5 100644 --- a/cont.c +++ b/cont.c @@ -537,7 +537,7 @@ fiber_machine_stack_alloc(size_t size) void *page; STACK_GROW_DIR_DETECTION; ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0); - if (ptr == (VALUE*)(SIGNED_VALUE)-1) { + if (ptr == MAP_FAILED) { rb_raise(rb_eFiberError, "can't alloc machine stack to fiber"); } page = ptr + STACK_DIR_UPPER((size - RB_PAGE_SIZE) / sizeof(VALUE), 0); -- cgit v1.2.3