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author | kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-07-06 12:22:56 +0000 |
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committer | kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-07-06 12:22:56 +0000 |
commit | 302fcb568d817bed348f554f1be28951ad924449 (patch) | |
tree | c319be0a165a409f73d3b0e09eda2818106f57d5 | |
parent | a737fc8ace0d56354f618c6657d7042a7423e851 (diff) | |
download | ruby-302fcb568d817bed348f554f1be28951ad924449.tar.gz |
* 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
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | cont.c | 2 |
2 files changed, 5 insertions, 1 deletions
@@ -1,3 +1,7 @@ +Wed Jul 6 21:22:16 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com> + + * cont.c (fiber_machine_stack_alloc): use MAP_FAILED instead of -1. + Wed Jul 6 21:21:05 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com> * cont.c (fiber_machine_stack_alloc): remove unnecessary cast. @@ -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); |