static inline VALUE
fiber_switch(VALUE fib, int argc, VALUE *argv, int is_resume)
{
VALUE value;
rb_context_t *cont;
rb_thread_t *th = GET_THREAD();
GetContPtr(fib, cont);
if (cont->saved_thread.self != th->self) {
rb_raise(rb_eFiberError, "fiber called across threads");
}
else if (cont->saved_thread.trap_tag != th->trap_tag) {
rb_raise(rb_eFiberError, "fiber called across trap");
}
else if (!cont->alive) {
rb_raise(rb_eFiberError, "dead fiber called");
}
if (is_resume) {
cont->prev = rb_fiber_current();
}
cont->value = make_passing_arg(argc, argv);
if ((value = fiber_store(cont)) == Qundef) {
cont_restore_0(cont, &value);
rb_bug("rb_fiber_resume: unreachable");
}
RUBY_VM_CHECK_INTS();
return value;
}
/** Destructs the VM.
*
* Runs the VM finalization processes as well as ruby_finalize(), and frees
* resources used by the VM.
*
* @param ex Default value to the return value.
* @return If an error occurred returns a non-zero. If otherwise, returns the
* given ex.
* @note This function does not raise any exception.
*/
int
ruby_cleanup(volatile int ex)
{
int state;
volatile VALUE errs[2];
rb_thread_t *th = GET_THREAD();
int nerr;
rb_threadptr_interrupt(th);
rb_threadptr_check_signal(th);
PUSH_TAG();
if ((state = EXEC_TAG()) == 0) {
SAVE_ROOT_JMPBUF(th, { RUBY_VM_CHECK_INTS(th); });
static void
native_sleep(rb_thread_t *th, struct timeval *tv)
{
DWORD msec;
if (tv) {
msec = tv->tv_sec * 1000 + tv->tv_usec / 1000;
}
else {
msec = INFINITE;
}
GVL_UNLOCK_BEGIN();
{
DWORD ret;
int status = th->status;
th->status = THREAD_STOPPED;
th->unblock_function = ubf_handle;
th->unblock_function_arg = th;
if (RUBY_VM_INTERRUPTED(th)) {
/* interrupted. return immediate */
}
else {
thread_debug("native_sleep start (%d)\n", (int)msec);
ret = w32_wait_events(0, 0, msec, th);
thread_debug("native_sleep done (%d)\n", ret);
}
th->unblock_function = 0;
th->unblock_function_arg = 0;
th->status = status;
}
GVL_UNLOCK_END();
RUBY_VM_CHECK_INTS();
}
static inline VALUE
vm_call0(rb_thread_t * th, VALUE klass, VALUE recv, VALUE id, ID oid,
int argc, const VALUE *argv, const NODE *body, int nosuper)
{
VALUE val;
rb_block_t *blockptr = 0;
if (0) printf("id: %s, nd: %s, argc: %d, passed: %p\n",
rb_id2name(id), ruby_node_name(nd_type(body)),
argc, (void *)th->passed_block);
if (th->passed_block) {
blockptr = th->passed_block;
th->passed_block = 0;
}
again:
switch (nd_type(body)) {
case RUBY_VM_METHOD_NODE:{
rb_control_frame_t *reg_cfp;
VALUE iseqval = (VALUE)body->nd_body;
int i;
rb_vm_set_finish_env(th);
reg_cfp = th->cfp;
CHECK_STACK_OVERFLOW(reg_cfp, argc + 1);
*reg_cfp->sp++ = recv;
for (i = 0; i < argc; i++) {
*reg_cfp->sp++ = argv[i];
}
vm_setup_method(th, reg_cfp, argc, blockptr, 0, iseqval, recv);
val = vm_exec(th);
break;
}
case NODE_CFUNC: {
EXEC_EVENT_HOOK(th, RUBY_EVENT_C_CALL, recv, id, klass);
{
rb_control_frame_t *reg_cfp = th->cfp;
rb_control_frame_t *cfp =
vm_push_frame(th, 0, VM_FRAME_MAGIC_CFUNC,
recv, (VALUE)blockptr, 0, reg_cfp->sp, 0, 1);
cfp->method_id = oid;
cfp->method_class = klass;
val = call_cfunc(body->nd_cfnc, recv, body->nd_argc, argc, argv);
if (reg_cfp != th->cfp + 1) {
SDR2(reg_cfp);
SDR2(th->cfp-5);
rb_bug("cfp consistency error - call0");
th->cfp = reg_cfp;
}
vm_pop_frame(th);
}
EXEC_EVENT_HOOK(th, RUBY_EVENT_C_RETURN, recv, id, klass);
break;
}
case NODE_ATTRSET:{
if (argc != 1) {
rb_raise(rb_eArgError, "wrong number of arguments (%d for 1)", argc);
}
val = rb_ivar_set(recv, body->nd_vid, argv[0]);
break;
}
case NODE_IVAR: {
if (argc != 0) {
rb_raise(rb_eArgError, "wrong number of arguments (%d for 0)",
argc);
}
val = rb_attr_get(recv, body->nd_vid);
break;
}
case NODE_BMETHOD:{
val = vm_call_bmethod(th, oid, body->nd_cval,
recv, klass, argc, (VALUE *)argv, blockptr);
break;
}
case NODE_ZSUPER:{
klass = RCLASS_SUPER(klass);
if (!klass || !(body = rb_method_node(klass, id))) {
return method_missing(recv, id, argc, argv, 0);
}
RUBY_VM_CHECK_INTS();
nosuper = CALL_SUPER;
body = body->nd_body;
goto again;
}
default:
rb_bug("unsupported: vm_call0(%s)", ruby_node_name(nd_type(body)));
}
RUBY_VM_CHECK_INTS();
return val;
}
static inline VALUE
vm_call_method(rb_thread_t *th, rb_control_frame_t *cfp,
int num, const rb_block_t *blockptr, VALUE flag,
ID id, const rb_method_entry_t *me, VALUE recv)
{
VALUE val;
start_method_dispatch:
if (me != 0) {
if ((me->flag == 0)) {
normal_method_dispatch:
switch (me->def->type) {
case VM_METHOD_TYPE_ISEQ:{
vm_setup_method(th, cfp, recv, num, blockptr, flag, me);
return Qundef;
}
case VM_METHOD_TYPE_NOTIMPLEMENTED:
case VM_METHOD_TYPE_CFUNC:{
val = vm_call_cfunc(th, cfp, num, recv, blockptr, me);
break;
}
case VM_METHOD_TYPE_ATTRSET:{
if (num != 1) {
rb_raise(rb_eArgError, "wrong number of arguments (%d for 1)", num);
}
val = rb_ivar_set(recv, me->def->body.attr.id, *(cfp->sp - 1));
cfp->sp -= 2;
break;
}
case VM_METHOD_TYPE_IVAR:{
if (num != 0) {
rb_raise(rb_eArgError, "wrong number of arguments (%d for 0)", num);
}
val = rb_attr_get(recv, me->def->body.attr.id);
cfp->sp -= 1;
break;
}
case VM_METHOD_TYPE_MISSING:{
VALUE *argv = ALLOCA_N(VALUE, num+1);
argv[0] = ID2SYM(me->def->original_id);
MEMCPY(argv+1, cfp->sp - num, VALUE, num);
cfp->sp += - num - 1;
th->passed_block = blockptr;
val = rb_funcall2(recv, rb_intern("method_missing"), num+1, argv);
break;
}
case VM_METHOD_TYPE_BMETHOD:{
VALUE *argv = ALLOCA_N(VALUE, num);
MEMCPY(argv, cfp->sp - num, VALUE, num);
cfp->sp += - num - 1;
val = vm_call_bmethod(th, recv, num, argv, blockptr, me);
break;
}
case VM_METHOD_TYPE_ZSUPER:{
VALUE klass = RCLASS_SUPER(me->klass);
me = rb_method_entry(klass, id);
if (me != 0) {
goto normal_method_dispatch;
}
else {
goto start_method_dispatch;
}
}
case VM_METHOD_TYPE_OPTIMIZED:{
switch (me->def->body.optimize_type) {
case OPTIMIZED_METHOD_TYPE_SEND: {
rb_control_frame_t *reg_cfp = cfp;
rb_num_t i = num - 1;
VALUE sym;
if (num == 0) {
rb_raise(rb_eArgError, "no method name given");
}
sym = TOPN(i);
id = SYMBOL_P(sym) ? SYM2ID(sym) : rb_to_id(sym);
/* shift arguments */
if (i > 0) {
MEMMOVE(&TOPN(i), &TOPN(i-1), VALUE, i);
}
me = rb_method_entry(CLASS_OF(recv), id);
num -= 1;
DEC_SP(1);
flag |= VM_CALL_FCALL_BIT | VM_CALL_OPT_SEND_BIT;
goto start_method_dispatch;
}
case OPTIMIZED_METHOD_TYPE_CALL: {
rb_proc_t *proc;
int argc = num;
VALUE *argv = ALLOCA_N(VALUE, num);
GetProcPtr(recv, proc);
MEMCPY(argv, cfp->sp - num, VALUE, num);
cfp->sp -= num + 1;
val = rb_vm_invoke_proc(th, proc, proc->block.self, argc, argv, blockptr);
break;
}
default:
rb_bug("eval_invoke_method: unsupported optimized method type (%d)",
me->def->body.optimize_type);
}
break;
}
default:{
rb_bug("eval_invoke_method: unsupported method type (%d)", me->def->type);
break;
}
}
}
else {
int noex_safe;
if (!(flag & VM_CALL_FCALL_BIT) &&
(me->flag & NOEX_MASK) & NOEX_PRIVATE) {
int stat = NOEX_PRIVATE;
if (flag & VM_CALL_VCALL_BIT) {
stat |= NOEX_VCALL;
}
val = vm_method_missing(th, id, recv, num, blockptr, stat);
}
else if (!(flag & VM_CALL_OPT_SEND_BIT) && (me->flag & NOEX_MASK) & NOEX_PROTECTED) {
VALUE defined_class = me->klass;
if (RB_TYPE_P(defined_class, T_ICLASS)) {
defined_class = RBASIC(defined_class)->klass;
}
if (!rb_obj_is_kind_of(cfp->self, defined_class)) {
val = vm_method_missing(th, id, recv, num, blockptr, NOEX_PROTECTED);
}
else {
goto normal_method_dispatch;
}
}
else if ((noex_safe = NOEX_SAFE(me->flag)) > th->safe_level &&
(noex_safe > 2)) {
rb_raise(rb_eSecurityError, "calling insecure method: %s", rb_id2name(id));
}
else {
goto normal_method_dispatch;
}
}
}
else {
/* method missing */
int stat = 0;
if (flag & VM_CALL_VCALL_BIT) {
stat |= NOEX_VCALL;
}
if (flag & VM_CALL_SUPER_BIT) {
stat |= NOEX_SUPER;
}
if (id == idMethodMissing) {
VALUE *argv = ALLOCA_N(VALUE, num);
vm_method_missing_args(th, argv, num - 1, 0, stat);
rb_raise_method_missing(th, num, argv, recv, stat);
}
else {
val = vm_method_missing(th, id, recv, num, blockptr, stat);
}
}
RUBY_VM_CHECK_INTS();
return val;
}
static inline VALUE
vm_call_method(rb_thread_t * const th, rb_control_frame_t * const cfp,
const int num, rb_block_t * const blockptr, const VALUE flag,
const ID id, const NODE * mn, const VALUE recv)
{
VALUE val;
start_method_dispatch:
if (mn != 0) {
if ((mn->nd_noex == 0)) {
/* dispatch method */
NODE *node;
normal_method_dispatch:
node = mn->nd_body;
switch (nd_type(node)) {
case RUBY_VM_METHOD_NODE:{
vm_setup_method(th, cfp, num, blockptr, flag, (VALUE)node->nd_body, recv);
return Qundef;
}
case NODE_CFUNC:{
val = vm_call_cfunc(th, cfp, num, id, (ID)mn->nd_file, recv, mn->nd_clss, flag, node, blockptr);
break;
}
case NODE_ATTRSET:{
val = rb_ivar_set(recv, node->nd_vid, *(cfp->sp - 1));
cfp->sp -= 2;
break;
}
case NODE_IVAR:{
if (num != 0) {
rb_raise(rb_eArgError, "wrong number of arguments (%d for 0)",
num);
}
val = rb_attr_get(recv, node->nd_vid);
cfp->sp -= 1;
break;
}
case NODE_BMETHOD:{
VALUE *argv = ALLOCA_N(VALUE, num);
MEMCPY(argv, cfp->sp - num, VALUE, num);
cfp->sp += - num - 1;
val = vm_call_bmethod(th, (ID)mn->nd_file, node->nd_cval, recv, mn->nd_clss, num, argv, blockptr);
break;
}
case NODE_ZSUPER:{
VALUE klass;
klass = RCLASS_SUPER(mn->nd_clss);
mn = rb_method_node(klass, id);
if (mn != 0) {
goto normal_method_dispatch;
}
else {
goto start_method_dispatch;
}
}
default:{
printf("node: %s\n", ruby_node_name(nd_type(node)));
rb_bug("eval_invoke_method: unreachable");
/* unreachable */
break;
}
}
}
else {
int noex_safe;
if (!(flag & VM_CALL_FCALL_BIT) &&
(mn->nd_noex & NOEX_MASK) & NOEX_PRIVATE) {
int stat = NOEX_PRIVATE;
if (flag & VM_CALL_VCALL_BIT) {
stat |= NOEX_VCALL;
}
val = vm_method_missing(th, id, recv, num, blockptr, stat);
}
else if (((mn->nd_noex & NOEX_MASK) & NOEX_PROTECTED) &&
!(flag & VM_CALL_SEND_BIT)) {
VALUE defined_class = mn->nd_clss;
if (TYPE(defined_class) == T_ICLASS) {
defined_class = RBASIC(defined_class)->klass;
}
if (!rb_obj_is_kind_of(cfp->self, rb_class_real(defined_class))) {
val = vm_method_missing(th, id, recv, num, blockptr, NOEX_PROTECTED);
}
else {
goto normal_method_dispatch;
}
}
else if ((noex_safe = NOEX_SAFE(mn->nd_noex)) > th->safe_level &&
(noex_safe > 2)) {
rb_raise(rb_eSecurityError, "calling insecure method: %s", rb_id2name(id));
}
else {
goto normal_method_dispatch;
}
}
}
else {
/* method missing */
if (id == idMethodMissing) {
rb_bug("method missing");
}
else {
int stat = 0;
if (flag & VM_CALL_VCALL_BIT) {
stat |= NOEX_VCALL;
}
if (flag & VM_CALL_SUPER_BIT) {
stat |= NOEX_SUPER;
}
val = vm_method_missing(th, id, recv, num, blockptr, stat);
}
}
RUBY_VM_CHECK_INTS();
return val;
}
static void
native_sleep(rb_thread_t *th, struct timeval *tv)
{
int prev_status = th->status;
struct timespec ts;
struct timeval tvn;
if (tv) {
gettimeofday(&tvn, NULL);
ts.tv_sec = tvn.tv_sec + tv->tv_sec;
ts.tv_nsec = (tvn.tv_usec + tv->tv_usec) * 1000;
if (ts.tv_nsec >= 1000000000) {
ts.tv_sec += 1;
ts.tv_nsec -= 1000000000;
}
}
th->status = THREAD_STOPPED;
thread_debug("native_sleep %ld\n", tv ? tv->tv_sec : -1);
GVL_UNLOCK_BEGIN();
{
pthread_mutex_lock(&th->interrupt_lock);
th->unblock.func = ubf_pthread_cond_signal;
th->unblock.arg = th;
if (RUBY_VM_INTERRUPTED(th)) {
/* interrupted. return immediate */
thread_debug("native_sleep: interrupted before sleep\n");
}
else {
if (tv == 0 || ts.tv_sec < tvn.tv_sec /* overflow */ ) {
int r;
thread_debug("native_sleep: pthread_cond_wait start\n");
r = pthread_cond_wait(&th->native_thread_data.sleep_cond,
&th->interrupt_lock);
if (r) rb_bug("pthread_cond_wait: %d", r);
thread_debug("native_sleep: pthread_cond_wait end\n");
}
else {
int r;
thread_debug("native_sleep: pthread_cond_timedwait start (%ld, %ld)\n",
(unsigned long)ts.tv_sec, ts.tv_nsec);
r = pthread_cond_timedwait(&th->native_thread_data.sleep_cond,
&th->interrupt_lock, &ts);
if (r && r != ETIMEDOUT) rb_bug("pthread_cond_timedwait: %d", r);
thread_debug("native_sleep: pthread_cond_timedwait end (%d)\n", r);
}
}
th->unblock.func = 0;
th->unblock.arg = 0;
pthread_mutex_unlock(&th->interrupt_lock);
th->status = prev_status;
}
GVL_UNLOCK_END();
RUBY_VM_CHECK_INTS();
thread_debug("native_sleep done\n");
}