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* file.c (rb_file_flock): use rb_thread_wait_for() instead of

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rb_thread_polling(). When getting EAGAIN, we need to wait a
  while even if no multi threading.
* thread.c (sleep_for_polling, rb_thread_polling) removed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38382 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kosaki 2012-12-14 18:08:40 +00:00
parent 2d2cac4b05
commit a24f2d9915
3 changed files with 12 additions and 20 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
Sat Dec 15 03:06:40 2012 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* file.c (rb_file_flock): use rb_thread_wait_for() instead of
rb_thread_polling(). When getting EAGAIN, we need to wait a
while even if no multi threading.
* thread.c (sleep_for_polling, rb_thread_polling) removed.
Sat Dec 15 00:03:31 2012 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* signal.c (rb_f_kill): remove rb_thread_polling() because this

6
file.c
View file

@ -4200,6 +4200,7 @@ rb_file_flock(VALUE obj, VALUE operation)
{
rb_io_t *fptr;
int op[2], op1;
struct timeval time;
rb_secure(2);
op[1] = op1 = NUM2INT(operation);
@ -4217,7 +4218,10 @@ rb_file_flock(VALUE obj, VALUE operation)
case EWOULDBLOCK:
#endif
if (op1 & LOCK_NB) return Qfalse;
rb_thread_polling();
time.tv_sec = 0;
time.tv_usec = 100 * 1000; /* 0.1 sec */
rb_thread_wait_for(time);
rb_io_check_closed(fptr);
continue;

19
thread.c
View file

@ -994,15 +994,6 @@ sleep_wait_for_interrupt(rb_thread_t *th, double sleepsec,int spurious_check)
sleep_timeval(th, double2timeval(sleepsec),spurious_check);
}
static void
sleep_for_polling(rb_thread_t *th)
{
struct timeval time;
time.tv_sec = 0;
time.tv_usec = 100 * 1000; /* 0.1 sec */
sleep_timeval(th, time, 1);
}
void
rb_thread_wait_for(struct timeval time)
{
@ -1010,16 +1001,6 @@ rb_thread_wait_for(struct timeval time)
sleep_timeval(th, time, 1);
}
void
rb_thread_polling(void)
{
if (!rb_thread_alone()) {
rb_thread_t *th = GET_THREAD();
RUBY_VM_CHECK_INTS_BLOCKING(th);
sleep_for_polling(th);
}
}
/*
* CAUTION: This function causes thread switching.
* rb_thread_check_ints() check ruby's interrupts.