diff options
Diffstat (limited to 'thread_pthread.c')
| -rw-r--r-- | thread_pthread.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/thread_pthread.c b/thread_pthread.c index 291b2f72a4..01ad0ce4b5 100644 --- a/thread_pthread.c +++ b/thread_pthread.c @@ -649,14 +649,22 @@ ruby_init_stack(volatile VALUE *addr STACK_GROW_DIR_DETECTION; get_stack(&stackaddr, &size); space = STACK_DIR_UPPER((char *)addr - (char *)stackaddr, (char *)stackaddr - (char *)addr); + native_main_thread.stack_maxsize = size - space; #elif defined(HAVE_GETRLIMIT) + int pagesize = getpagesize(); struct rlimit rlim; if (getrlimit(RLIMIT_STACK, &rlim) == 0) { size = (size_t)rlim.rlim_cur; } - space = size > 5 * 1024 * 1024 ? 1024 * 1024 : size / 5; + addr = native_main_thread.stack_start; + if (IS_STACK_DIR_UPPER()) { + space = ((size_t)((char *)addr + size) / pagesize) * pagesize - (size_t)addr; + } + else { + space = (size_t)addr - ((size_t)((char *)addr - size) / pagesize + 1) * pagesize; + } + native_main_thread.stack_maxsize = space; #endif - native_main_thread.stack_maxsize = size - space; } } |