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merge revision(s) 21165:

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* eval.c (rb_thread_schedule): Don't change status of threads which
	  don't run next even if select notify readability/writability.
	  [ruby-core:20446]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22478 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shyouhei 2009-02-21 15:19:29 +00:00
parent 28d53ca8c8
commit d842d1bcc4
3 changed files with 36 additions and 21 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Sun Feb 22 00:19:05 2009 Tanaka Akira <akr@fsij.org>
* eval.c (rb_thread_schedule): Don't change status of threads which
don't run next even if select notify readability/writability.
[ruby-core:20446]
Fri Feb 20 20:43:13 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* lib/optparse.rb (OptionParser::List#summarize): gives priority

39
eval.c
View file

@ -10959,6 +10959,7 @@ rb_thread_schedule()
rb_thread_t next; /* OK */
rb_thread_t th;
rb_thread_t curr;
rb_thread_t th_found = 0;
int found = 0;
fd_set readfds;
@ -11104,28 +11105,22 @@ rb_thread_schedule()
if (n > 0) {
now = -1.0;
/* Some descriptors are ready.
Make the corresponding threads runnable. */
* Choose a thread which may run next.
* Don't change the status of threads which don't run next.
*/
FOREACH_THREAD_FROM(curr, th) {
if ((th->wait_for&WAIT_FD) && FD_ISSET(th->fd, &readfds)) {
/* Wake up only one thread per fd. */
FD_CLR(th->fd, &readfds);
th->status = THREAD_RUNNABLE;
th->fd = 0;
th->wait_for = 0;
th_found = th;
found = 1;
break;
}
if ((th->wait_for&WAIT_SELECT) &&
(match_fds(&readfds, &th->readfds, max) ||
match_fds(&writefds, &th->writefds, max) ||
match_fds(&exceptfds, &th->exceptfds, max))) {
/* Wake up only one thread per fd. */
th->status = THREAD_RUNNABLE;
th->wait_for = 0;
n = intersect_fds(&readfds, &th->readfds, max) +
intersect_fds(&writefds, &th->writefds, max) +
intersect_fds(&exceptfds, &th->exceptfds, max);
th->select_value = n;
th_found = th;
found = 1;
break;
}
}
END_FOREACH_FROM(curr, th);
@ -11141,11 +11136,25 @@ rb_thread_schedule()
next = th;
break;
}
if (th->status == THREAD_RUNNABLE && th->stk_ptr) {
if (!next || next->priority < th->priority)
if ((th->status == THREAD_RUNNABLE || th == th_found) && th->stk_ptr) {
if (!next || next->priority < th->priority) {
if (th == th_found) {
th_found->status = THREAD_RUNNABLE;
th_found->wait_for = 0;
if (th->wait_for&WAIT_FD) {
th_found->fd = 0;
}
else { /* th->wait_for&WAIT_SELECT */
n = intersect_fds(&readfds, &th_found->readfds, max) +
intersect_fds(&writefds, &th_found->writefds, max) +
intersect_fds(&exceptfds, &th_found->exceptfds, max);
th_found->select_value = n;
}
}
next = th;
}
}
}
END_FOREACH_FROM(curr, th);
if (!next) {

8
version.h
View file

@ -1,15 +1,15 @@
#define RUBY_VERSION "1.8.7"
#define RUBY_RELEASE_DATE "2009-02-20"
#define RUBY_RELEASE_DATE "2009-02-22"
#define RUBY_VERSION_CODE 187
#define RUBY_RELEASE_CODE 20090220
#define RUBY_PATCHLEVEL 134
#define RUBY_RELEASE_CODE 20090222
#define RUBY_PATCHLEVEL 135
#define RUBY_VERSION_MAJOR 1
#define RUBY_VERSION_MINOR 8
#define RUBY_VERSION_TEENY 7
#define RUBY_RELEASE_YEAR 2009
#define RUBY_RELEASE_MONTH 2
#define RUBY_RELEASE_DAY 20
#define RUBY_RELEASE_DAY 22
#ifdef RUBY_EXTERN
RUBY_EXTERN const char ruby_version[];