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* eval.c (TAG_THREAD): to start a new thread.

* eval.c (ruby_init, ruby_options, ruby_cleanup, rb_protect,
  rb_load_protect, rb_thread_start_0): make thread anchor.

* eval.c (proc_alloc): clone proc object if klass is not Proc or
  created in different thread.

* eval.c (rb_block_pass): call a function with a block.  [new]

* eval.c (rb_f_throw): raise NameError in main thread.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7954 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2005-02-12 13:17:18 +00:00
parent 4c1d7f6d8f
commit a46bb48bcb
2 changed files with 220 additions and 32 deletions

View file

@ -1,3 +1,17 @@
Sat Feb 12 22:17:11 2005 Nobuyoshi Nakada <nobu@ruby-lang.org>
* eval.c (TAG_THREAD): to start a new thread.
* eval.c (ruby_init, ruby_options, ruby_cleanup, rb_protect,
rb_load_protect, rb_thread_start_0): make thread anchor.
* eval.c (proc_alloc): clone proc object if klass is not Proc or
created in different thread.
* eval.c (rb_block_pass): call a function with a block. [new]
* eval.c (rb_f_throw): raise NameError in main thread.
Sat Feb 12 17:29:19 2005 Tanaka Akira <akr@m17n.org>
* lib/open-uri.rb (OpenURI.open_loop): send authentication only for

238
eval.c
View file

@ -948,6 +948,7 @@ static struct tag *prot_tag;
#define TAG_THROW 0x7
#define TAG_FATAL 0x8
#define TAG_CONTCALL 0x9
#define TAG_THREAD 0xa
#define TAG_MASK 0xf
VALUE ruby_class;
@ -999,6 +1000,28 @@ static void scope_dup _((struct SCOPE *));
scope_vmode = _vmode; \
} while (0)
struct ruby_env {
struct ruby_env *prev;
struct FRAME *frame;
struct SCOPE *scope;
struct BLOCK *block;
struct iter *iter;
struct tag *tag;
NODE *cref;
};
static void push_thread_anchor _((struct ruby_env *));
static void pop_thread_anchor _((struct ruby_env *));
#define PUSH_THREAD_TAG() PUSH_TAG(PROT_THREAD); \
do { \
struct ruby_env _interp; \
push_thread_anchor(&_interp);
#define POP_THREAD_TAG() \
pop_thread_anchor(&_interp); \
} while (0); \
POP_TAG()
static VALUE rb_eval _((VALUE,NODE*));
static VALUE eval _((VALUE,VALUE,VALUE,char*,int));
static NODE *compile _((VALUE, char*, int));
@ -1220,6 +1243,8 @@ is_ruby_native_thread() {
}
#endif
NORETURN(static void rb_thread_start_1 _((void)));
void
ruby_init()
{
@ -1374,16 +1399,19 @@ ruby_options(argc, argv)
#endif
Init_stack((void*)&state);
PUSH_TAG(PROT_NONE);
PUSH_THREAD_TAG();
if ((state = EXEC_TAG()) == 0) {
ruby_process_options(argc, argv);
}
else {
if (state == TAG_THREAD) {
rb_thread_start_1();
}
trace_func = 0;
tracing = 0;
exit(error_handle(state));
}
POP_TAG();
POP_THREAD_TAG();
#ifdef _WIN32_WCE
wce_FreeCommandLine();
@ -1429,14 +1457,17 @@ ruby_cleanup(ex)
ruby_safe_level = 0;
Init_stack((void*)&state);
ruby_finalize_0();
if (ruby_errinfo) err = ruby_errinfo;
PUSH_TAG(PROT_NONE);
PUSH_THREAD_TAG();
PUSH_ITER(ITER_NOT);
if ((state = EXEC_TAG()) == 0) {
ruby_finalize_0();
if (ruby_errinfo) err = ruby_errinfo;
rb_thread_cleanup();
rb_thread_wait_other_threads();
}
else if (state == TAG_THREAD) {
rb_thread_start_1();
}
else if (ex == 0) {
ex = state;
}
@ -1444,7 +1475,7 @@ ruby_cleanup(ex)
ruby_errinfo = err;
ex = error_handle(ex);
ruby_finalize_1();
POP_TAG();
POP_THREAD_TAG();
if (err && rb_obj_is_kind_of(err, rb_eSystemExit)) {
VALUE st = rb_iv_get(err, "status");
@ -1462,7 +1493,7 @@ ruby_exec_internal()
{
int state;
PUSH_TAG(PROT_THREAD);
PUSH_THREAD_TAG();
PUSH_ITER(ITER_NOT);
/* default visibility is private at toplevel */
SCOPE_SET(SCOPE_PRIVATE);
@ -1474,8 +1505,11 @@ ruby_exec_internal()
cont_call(prot_tag->retval);
}
#endif
else if (state == TAG_THREAD) {
rb_thread_start_1();
}
POP_ITER();
POP_TAG();
POP_THREAD_TAG();
return state;
}
@ -5194,13 +5228,16 @@ rb_protect(proc, data, state)
VALUE result = Qnil; /* OK */
int status;
PUSH_TAG(PROT_NONE);
PUSH_THREAD_TAG();
cont_protect = (VALUE)rb_node_newnode(NODE_MEMO, cont_protect, 0, 0);
if ((status = EXEC_TAG()) == 0) {
result = (*proc)(data);
}
else if (status == TAG_THREAD) {
rb_thread_start_1();
}
cont_protect = ((NODE *)cont_protect)->u1.value;
POP_TAG();
POP_THREAD_TAG();
if (state) {
*state = status;
}
@ -6552,11 +6589,14 @@ rb_load_protect(fname, wrap, state)
{
int status;
PUSH_TAG(PROT_NONE);
PUSH_THREAD_TAG();
if ((status = EXEC_TAG()) == 0) {
rb_load(fname, wrap);
}
POP_TAG();
else if (status == TAG_THREAD) {
rb_thread_start_1();
}
POP_THREAD_TAG();
if (state) *state = status;
}
@ -8035,8 +8075,13 @@ proc_alloc(klass, proc)
rb_warn("tried to create Proc object without a block");
}
if (!proc && ruby_block->block_obj && CLASS_OF(ruby_block->block_obj) == klass) {
return ruby_block->block_obj;
if (!proc && ruby_block->block_obj) {
VALUE obj = ruby_block->block_obj;
if (CLASS_OF(obj) != klass) {
obj = proc_clone(obj);
RBASIC(obj)->klass = klass;
}
return obj;
}
block = Data_Make_Struct(klass, struct BLOCK, blk_mark, blk_free, data);
*data = *ruby_block;
@ -8486,11 +8531,11 @@ proc_binding(proc)
}
static VALUE
block_pass(self, node)
VALUE self;
NODE *node;
rb_block_pass(func, arg, proc)
VALUE (*func) _((VALUE));
VALUE arg;
VALUE proc;
{
VALUE proc = rb_eval(self, node->nd_body); /* OK */
VALUE b;
struct BLOCK * volatile old_block;
struct BLOCK _block;
@ -8502,7 +8547,7 @@ block_pass(self, node)
if (NIL_P(proc)) {
PUSH_ITER(ITER_NOT);
result = rb_eval(self, node->nd_iter);
result = (*func)(arg);
POP_ITER();
return result;
}
@ -8523,7 +8568,7 @@ block_pass(self, node)
if (ruby_block && ruby_block->block_obj == proc) {
PUSH_ITER(ITER_PRE);
result = rb_eval(self, node->nd_iter);
result = (*func)(arg);
POP_ITER();
return result;
}
@ -8547,7 +8592,7 @@ block_pass(self, node)
proc_set_safe_level(proc);
if (safe > ruby_safe_level)
ruby_safe_level = safe;
result = rb_eval(self, node->nd_iter);
result = (*func)(arg);
}
else if (state == TAG_BREAK && TAG_DST()) {
result = prot_tag->retval;
@ -8576,6 +8621,30 @@ block_pass(self, node)
return result;
}
struct block_arg {
VALUE self;
NODE *iter;
};
static VALUE
call_block(arg)
struct block_arg *arg;
{
return rb_eval(arg->self, arg->iter);
}
static VALUE
block_pass(self, node)
VALUE self;
NODE *node;
{
struct block_arg arg;
arg.self = self;
arg.iter = node->nd_iter;
return rb_block_pass((VALUE (*)_((VALUE)))call_block,
(VALUE)&arg, rb_eval(self, node->nd_body));
}
struct METHOD {
VALUE klass, rklass;
VALUE recv;
@ -9601,6 +9670,7 @@ struct thread {
VALUE klass;
VALUE wrapper;
NODE *cref;
struct ruby_env *anchor;
int flags; /* misc. states (vmode/rb_trap_immediate/raised) */
@ -11383,6 +11453,7 @@ rb_thread_group(thread)
th->thgroup = thgroup_default;\
th->locals = 0;\
th->thread = 0;\
th->anchor = 0;\
} while (0)
static rb_thread_t
@ -11493,6 +11564,50 @@ rb_thread_stop_timer()
int rb_thread_tick = THREAD_TICK;
#endif
NORETURN(static void rb_thread_terminated _((rb_thread_t, int, enum thread_status)));
static VALUE rb_thread_yield _((VALUE, rb_thread_t));
static void
push_thread_anchor(ip)
struct ruby_env *ip;
{
ip->tag = prot_tag;
ip->frame = ruby_frame;
ip->block = ruby_block;
ip->scope = ruby_scope;
ip->iter = ruby_iter;
ip->cref = ruby_cref;
ip->prev = curr_thread->anchor;
curr_thread->anchor = ip;
}
static void
pop_thread_anchor(ip)
struct ruby_env *ip;
{
curr_thread->anchor = ip->prev;
}
static void
thread_insert(th)
rb_thread_t th;
{
if (!th->next) {
/* merge in thread list */
th->prev = curr_thread;
curr_thread->next->prev = th;
th->next = curr_thread->next;
curr_thread->next = th;
th->priority = curr_thread->priority;
th->thgroup = curr_thread->thgroup;
}
}
static struct {
rb_thread_t thread;
VALUE proc, arg;
} new_thread;
static VALUE
rb_thread_start_0(fn, arg, th)
VALUE (*fn)();
@ -11531,6 +11646,15 @@ rb_thread_start_0(fn, arg, th)
return thread;
}
if (fn == rb_thread_yield && curr_thread->anchor) {
struct ruby_env *ip = curr_thread->anchor;
new_thread.thread = th;
new_thread.proc = rb_block_proc();
new_thread.arg = (VALUE)arg;
th->anchor = ip;
longjmp(ip->tag->buf, TAG_THREAD);
}
if (ruby_block) { /* should nail down higher blocks */
struct BLOCK dummy;
@ -11540,17 +11664,9 @@ rb_thread_start_0(fn, arg, th)
}
scope_dup(ruby_scope);
if (!th->next) {
/* merge in thread list */
th->prev = curr_thread;
curr_thread->next->prev = th;
th->next = curr_thread->next;
curr_thread->next = th;
th->priority = curr_thread->priority;
th->thgroup = curr_thread->thgroup;
}
thread_insert(th);
PUSH_TAG(PROT_THREAD);
PUSH_TAG(PROT_NONE);
if ((state = EXEC_TAG()) == 0) {
if (THREAD_SAVE_CONTEXT(th) == 0) {
curr_thread = th;
@ -11572,6 +11688,16 @@ rb_thread_start_0(fn, arg, th)
blk_free(saved_block);
}
rb_thread_terminated(th, state, status);
return 0; /* not reached */
}
static void
rb_thread_terminated(th, state, status)
rb_thread_t th;
int state;
enum thread_status status;
{
if (state && status != THREAD_TO_KILL && !NIL_P(ruby_errinfo)) {
th->flags |= THREAD_RAISED;
if (state == TAG_FATAL) {
@ -11601,7 +11727,55 @@ rb_thread_start_0(fn, arg, th)
}
rb_thread_schedule();
ruby_stop(0); /* last thread termination */
return 0; /* not reached */
}
static VALUE
rb_thread_yield_0(arg)
VALUE arg;
{
return rb_thread_yield(arg, curr_thread);
}
static void
rb_thread_start_1()
{
rb_thread_t th = new_thread.thread;
volatile rb_thread_t th_save = th;
VALUE proc = new_thread.proc;
VALUE arg = new_thread.arg;
struct ruby_env *ip = th->anchor;
enum thread_status status;
int state;
thread_insert(th);
ruby_frame = ip->frame;
ruby_block = ip->block;
ruby_scope = ip->scope;
ruby_iter = ip->iter;
ruby_cref = ip->cref;
ruby_dyna_vars = 0;
PUSH_FRAME();
_frame.iter = ITER_CUR;
PUSH_TAG(PROT_NONE);
if ((state = EXEC_TAG()) == 0) {
if (THREAD_SAVE_CONTEXT(th) == 0) {
curr_thread = th;
th->result = rb_block_pass(rb_thread_yield_0, arg, proc);
}
th = th_save;
}
else if (TAG_DST()) {
th = th_save;
th->result = prot_tag->retval;
}
POP_TAG();
POP_FRAME();
status = th->status;
if (th == main_thread) ruby_stop(state);
rb_thread_remove(th);
rb_thread_terminated(th, state, status);
}
VALUE