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* eval.c (rb_trap_eval): preserve thread status and so on.

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[ruby-talk:40337], [ruby-core:00019]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2852 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2002-09-11 15:13:10 +00:00
parent c47f24027a
commit 368e015170
2 changed files with 84 additions and 24 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Thu Sep 12 00:09:32 2002 Nobuyoshi Nakada <nobu.nokada@softhome.net>
* eval.c (rb_trap_eval): preserve thread status and so on.
[ruby-talk:40337], [ruby-core:00019]
Wed Sep 11 21:25:52 2002 Tanaka Akira <akr@m17n.org>
* pp.rb (ARGF.pretty_print): implemented.

103
eval.c
View file

@ -1466,28 +1466,6 @@ rb_eval_cmd(cmd, arg, tcheck)
return val;
}
static VALUE
rb_trap_eval(cmd, sig)
VALUE cmd;
int sig;
{
int state;
VALUE val; /* OK */
PUSH_TAG(PROT_NONE);
PUSH_ITER(ITER_NOT);
if ((state = EXEC_TAG()) == 0) {
val = rb_eval_cmd(cmd, rb_ary_new3(1, INT2FIX(sig)), 0);
}
POP_ITER();
POP_TAG();
if (state) {
rb_trap_immediate = 0;
JUMP_TAG(state);
}
return val;
}
static VALUE
superclass(self, node)
VALUE self;
@ -7363,6 +7341,85 @@ struct thread {
#define FOREACH_THREAD(x) FOREACH_THREAD_FROM(curr_thread,x)
#define END_FOREACH(x) END_FOREACH_FROM(curr_thread,x)
struct thread_status_t {
NODE *node;
int tracing;
VALUE errinfo;
VALUE last_status;
VALUE last_line;
VALUE last_match;
int safe;
enum thread_status status;
int wait_for;
int fd;
fd_set readfds;
fd_set writefds;
fd_set exceptfds;
int select_value;
double delay;
rb_thread_t join;
};
#define THREAD_COPY_STATUS(src, dst) (void)( \
(dst)->node = (src)->node, \
\
(dst)->tracing = (src)->tracing, \
(dst)->errinfo = (src)->errinfo, \
(dst)->last_status = (src)->last_status, \
(dst)->last_line = (src)->last_line, \
(dst)->last_match = (src)->last_match, \
\
(dst)->safe = (src)->safe, \
\
(dst)->status = (src)->status, \
(dst)->wait_for = (src)->wait_for, \
(dst)->fd = (src)->fd, \
(dst)->readfds = (src)->readfds, \
(dst)->writefds = (src)->writefds, \
(dst)->exceptfds = (src)->exceptfds, \
(dst)->select_value = (src)->select_value, \
(dst)->delay = (src)->delay, \
(dst)->join = (src)->join, \
0)
static void rb_thread_ready _((rb_thread_t));
static VALUE
rb_trap_eval(cmd, sig)
VALUE cmd;
int sig;
{
int state;
VALUE val; /* OK */
volatile struct thread_status_t save;
THREAD_COPY_STATUS(curr_thread, &save);
rb_thread_ready(curr_thread);
PUSH_TAG(PROT_NONE);
PUSH_ITER(ITER_NOT);
if ((state = EXEC_TAG()) == 0) {
val = rb_eval_cmd(cmd, rb_ary_new3(1, INT2FIX(sig)), 0);
}
POP_ITER();
POP_TAG();
THREAD_COPY_STATUS(&save, curr_thread);
if (state) {
rb_trap_immediate = 0;
JUMP_TAG(state);
}
if (curr_thread->status == THREAD_STOPPED) {
rb_thread_schedule();
}
errno = EINTR;
return val;
}
static const char *
thread_status_name(status)
enum thread_status status;
@ -7599,7 +7656,6 @@ thread_switch(n)
break;
case RESTORE_TRAP:
rb_trap_eval(th_cmd, th_sig);
errno = EINTR;
break;
case RESTORE_RAISE:
ruby_frame->last_func = 0;
@ -8961,7 +9017,6 @@ rb_thread_trap_eval(cmd, sig)
return;
}
}
rb_thread_ready(main_thread);
th_cmd = cmd;
th_sig = sig;
curr_thread = main_thread;