From e5481ccd8e6470b05d0c8a202103dc307c4aa25f Mon Sep 17 00:00:00 2001 From: ko1 Date: Wed, 23 Jan 2013 04:39:02 +0000 Subject: * thread_pthread.c (ruby_init_stack): ignore `STACK_END_ADDRESS' if Ruby interpreter is running on co-routine. [Feature #2294] https://bugs.ruby-lang.org/issues/2294#note-18 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38905 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- thread_pthread.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'thread_pthread.c') diff --git a/thread_pthread.c b/thread_pthread.c index 6c48224a87..6e5f53fa67 100644 --- a/thread_pthread.c +++ b/thread_pthread.c @@ -643,6 +643,27 @@ ruby_init_stack(volatile VALUE *addr native_main_thread.stack_maxsize = space; #endif } + + /* If addr is out of range of main-thread stack range estimation, */ + /* it should be on co-routine (alternative stack). [Feature #2294] */ + { + void *start, *end; + + if (IS_STACK_DIR_UPPER()) { + start = native_main_thread.stack_start; + end = (char *)native_main_thread.stack_start + native_main_thread.stack_maxsize; + } + else { + start = (char *)native_main_thread.stack_start - native_main_thread.stack_maxsize; + end = native_main_thread.stack_start; + } + + if ((void *)addr < start || (void *)addr > end) { + /* out of range */ + native_main_thread.stack_start = (VALUE *)addr; + native_main_thread.stack_maxsize = 0; /* unknown */ + } + } } #define CHECK_ERR(expr) \ -- cgit v1.2.3