diff options
| author | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-01-23 04:39:02 +0000 |
|---|---|---|
| committer | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-01-23 04:39:02 +0000 |
| commit | e5481ccd8e6470b05d0c8a202103dc307c4aa25f (patch) | |
| tree | f425ba0c484828af60f4d21a085515336f2ed202 /thread_pthread.c | |
| parent | fa30ebc3c7536e0e766abbe52c24b732f83ad3b4 (diff) | |
* 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
Diffstat (limited to 'thread_pthread.c')
| -rw-r--r-- | thread_pthread.c | 21 |
1 files changed, 21 insertions, 0 deletions
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) \ |