C++ (Cpp) ruby_longjmp Examples

Example #1

static void
cont_restore_1(rb_context_t *cont)
{
    cont_restore_thread(cont);

    /* restore machine stack */
#ifdef _M_AMD64
    {
	/* workaround for x64 SEH */
	jmp_buf buf;
	setjmp(buf);
	((_JUMP_BUFFER*)(&cont->jmpbuf))->Frame =
	    ((_JUMP_BUFFER*)(&buf))->Frame;
    }
#endif
    if (cont->machine_stack_src) {
	FLUSH_REGISTER_WINDOWS;
	MEMCPY(cont->machine_stack_src, cont->machine_stack,
		VALUE, cont->machine_stack_size);
    }

#ifdef __ia64
    if (cont->machine_register_stack_src) {
	MEMCPY(cont->machine_register_stack_src, cont->machine_register_stack,
	       VALUE, cont->machine_register_stack_size);
    }
#endif

    ruby_longjmp(cont->jmpbuf, 1);
}

Example #2

File: cont.c Project: pascalt/captalog

static void
cont_restore_1(rb_context_t *cont)
{
    rb_thread_t *th = GET_THREAD(), *sth = &cont->saved_thread;

    /* restore thread context */
    if (cont->type == CONTINUATION_CONTEXT) {
	/* continuation */
	VALUE fib;

	th->fiber = sth->fiber;
	fib = th->fiber ? th->fiber : th->root_fiber;

	if (fib) {
	    rb_fiber_t *fcont;
	    GetFiberPtr(fib, fcont);
	    th->stack_size = fcont->cont.saved_thread.stack_size;
	    th->stack = fcont->cont.saved_thread.stack;
	}
#ifdef CAPTURE_JUST_VALID_VM_STACK
	MEMCPY(th->stack, cont->vm_stack, VALUE, cont->vm_stack_slen);
	MEMCPY(th->stack + sth->stack_size - cont->vm_stack_clen,
	       cont->vm_stack + cont->vm_stack_slen, VALUE, cont->vm_stack_clen);
#else
	MEMCPY(th->stack, cont->vm_stack, VALUE, sth->stack_size);
#endif
    }
    else {
	/* fiber */
	th->stack = sth->stack;
	th->stack_size = sth->stack_size;
	th->local_storage = sth->local_storage;
	th->fiber = cont->self;
    }

    th->cfp = sth->cfp;
    th->safe_level = sth->safe_level;
    th->raised_flag = sth->raised_flag;
    th->state = sth->state;
    th->status = sth->status;
    th->tag = sth->tag;
    th->protect_tag = sth->protect_tag;
    th->errinfo = sth->errinfo;
    th->first_proc = sth->first_proc;

    /* restore machine stack */
#ifdef _M_AMD64
    {
	/* workaround for x64 SEH */
	jmp_buf buf;
	setjmp(buf);
	((_JUMP_BUFFER*)(&cont->jmpbuf))->Frame =
	    ((_JUMP_BUFFER*)(&buf))->Frame;
    }
#endif
    if (cont->machine_stack_src) {
	FLUSH_REGISTER_WINDOWS;
	MEMCPY(cont->machine_stack_src, cont->machine_stack,
	       VALUE, cont->machine_stack_size);
    }

#ifdef __ia64
    if (cont->machine_register_stack_src) {
	MEMCPY(cont->machine_register_stack_src, cont->machine_register_stack,
	       VALUE, cont->machine_register_stack_size);
    }
#endif

    ruby_longjmp(cont->jmpbuf, 1);
}