ruby-104/ruby/thread_pthread.c

529 get_stack(void **addr, size_t *size)
539     CHECK_ERR(pthread_attr_getstack(&attr, addr, size));
540     STACK_DIR_UPPER((void)0, (void)(*addr = (char *)*addr + *size));
542     CHECK_ERR(pthread_attr_getstackaddr(&attr, addr));
553     CHECK_ERR(pthread_attr_getstack(&attr, addr, size));
554     STACK_DIR_UPPER((void)0, (void)(*addr = (char *)*addr + *size));
556     CHECK_ERR(pthread_attr_getstackaddr(&attr, addr));
558     STACK_DIR_UPPER((void)0, (void)(*addr = (char *)*addr + *size));
563     *addr = pthread_get_stackaddr_np(th);
572     *addr = stk.ss_sp;
582     *addr = thinfo.__pi_stackaddr;
584     STACK_DIR_UPPER((void)0, (void)(*addr = (char *)*addr + *size));
629 ruby_init_stack(volatile VALUE *addr
640         STACK_UPPER((VALUE *)(void *)&addr,
641                     native_main_thread.stack_start > addr,
642                     native_main_thread.stack_start < addr)) {
643         native_main_thread.stack_start = (VALUE *)addr;
666             space = STACK_DIR_UPPER((char *)addr - (char *)stackaddr, (char *)stackaddr - (char *)addr);
676 	addr = native_main_thread.stack_start;
678 	    space = ((size_t)((char *)addr + size) / pagesize) * pagesize - (size_t)addr;
681 	    space = (size_t)addr - ((size_t)((char *)addr - size) / pagesize + 1) * pagesize;
687     /* If addr is out of range of main-thread stack range estimation,  */
702 	if ((void *)addr < start || (void *)addr > end) {
704 	    native_main_thread.stack_start = (VALUE *)addr;
1497 ruby_stack_overflowed_p(const rb_thread_t *th, const void *addr)
1520 	if (addr > base && addr <= (void *)((char *)base + size)) return 1;
1524 	if (addr > (void *)((char *)base - size) && addr <= base) return 1;