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* thread.c (rb_thread_fd_select): new function to call select

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using rb_fdset_t.

* io.c (select_internal): use rb_thread_fd_select instead of
  rb_thread_select.  based on the patch from Kengo Matsuyama.
  [ruby-dev:38221]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23109 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2009-04-01 04:56:51 +00:00
parent 9be62b3b1a
commit d98da36b8c
4 changed files with 47 additions and 5 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
Wed Apr 1 13:46:20 2009 Yukihiro Matsumoto <matz@ruby-lang.org>
* thread.c (rb_thread_fd_select): new function to call select
using rb_fdset_t.
* io.c (select_internal): use rb_thread_fd_select instead of
rb_thread_select. based on the patch from Kengo Matsuyama.
[ruby-dev:38221]
Wed Apr 1 13:16:19 2009 Yukihiro Matsumoto <matz@ruby-lang.org>
* process.c (rb_f_sleep): RDoc disambiguation. [ruby-talk:332632]

2
include/ruby/intern.h
View file

@ -244,6 +244,7 @@ typedef fd_set rb_fdset_t;
#define rb_fd_clr(n, f) FD_CLR(n, f)
#define rb_fd_isset(n, f) FD_ISSET(n, f)
#define rb_fd_copy(d, s, n) (*(d) = *(s))
#define rb_fd_resize(n, f) (void)(f)
#define rb_fd_ptr(f) (f)
#define rb_fd_init(f) FD_ZERO(f)
#define rb_fd_term(f) (void)(f)
@ -327,6 +328,7 @@ VALUE rb_thread_create(VALUE (*)(ANYARGS), void*);
void rb_thread_signal_raise(void *, int);
void rb_thread_signal_exit(void *);
int rb_thread_select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
int rb_thread_fd_select(int, rb_fdset_t *, rb_fdset_t *, rb_fdset_t *, struct timeval *);
void rb_thread_wait_for(struct timeval);
VALUE rb_thread_current(void);
VALUE rb_thread_main(void);

10
io.c
View file

@ -6635,7 +6635,7 @@ static VALUE
select_internal(VALUE read, VALUE write, VALUE except, struct timeval *tp, rb_fdset_t *fds)
{
VALUE res, list;
fd_set *rp, *wp, *ep;
rb_fdset_t *rp, *wp, *ep;
rb_io_t *fptr;
long i;
int max = 0, n;
@ -6658,7 +6658,7 @@ select_internal(VALUE read, VALUE write, VALUE except, struct timeval *tp, rb_fd
timerec.tv_sec = timerec.tv_usec = 0;
tp = &timerec;
}
rp = rb_fd_ptr(&fds[0]);
rp = &fds[0];
}
else
rp = 0;
@ -6671,7 +6671,7 @@ select_internal(VALUE read, VALUE write, VALUE except, struct timeval *tp, rb_fd
rb_fd_set(fptr->fd, &fds[1]);
if (max < fptr->fd) max = fptr->fd;
}
wp = rb_fd_ptr(&fds[1]);
wp = &fds[1];
}
else
wp = 0;
@ -6690,7 +6690,7 @@ select_internal(VALUE read, VALUE write, VALUE except, struct timeval *tp, rb_fd
if (max < fptr->fd) max = fptr->fd;
}
}
ep = rb_fd_ptr(&fds[2]);
ep = &fds[2];
}
else {
ep = 0;
@ -6698,7 +6698,7 @@ select_internal(VALUE read, VALUE write, VALUE except, struct timeval *tp, rb_fd
max++;
n = rb_thread_select(max, rp, wp, ep, tp);
n = rb_thread_fd_select(max, rp, wp, ep, tp);
if (n < 0) {
rb_sys_fail(0);
}

31
thread.c
View file

@ -2490,6 +2490,37 @@ rb_thread_select(int max, fd_set * read, fd_set * write, fd_set * except,
}
int
rb_thread_fd_select(int max, rb_fdset_t * read, rb_fdset_t * write, rb_fdset_t * except,
struct timeval *timeout)
{
fd_set *r = NULL, *w = NULL, *e = NULL;
if (!read && !write && !except) {
if (!timeout) {
rb_thread_sleep_forever();
return 0;
}
rb_thread_wait_for(*timeout);
return 0;
}
if (read) {
rb_fd_resize(max - 1, read);
r = rb_fd_ptr(read);
}
if (write) {
rb_fd_resize(max - 1, write);
w = rb_fd_ptr(write);
}
if (except) {
rb_fd_resize(max - 1, except);
e = rb_fd_ptr(except);
}
return do_select(max, r, w, e, timeout);
}
/*
* for GC
*/