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avoid backend_modify call unless ev_io_set was used

master rel-1.81
Marc Alexander Lehmann 13 years ago
parent
commit
c73be27b1f
1 changed files with 16 additions and 10 deletions
  1. +16
    -10
      ev.c

+ 16
- 10
ev.c View File

@ -535,10 +535,10 @@ fd_reify (EV_P)
ANFD *anfd = anfds + fd;
ev_io *w;
int events = 0;
unsigned char events = 0;
for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
events |= w->events;
events |= (unsigned char)w->events;
#if EV_SELECT_IS_WINSOCKET
if (events)
@ -549,10 +549,16 @@ fd_reify (EV_P)
}
#endif
anfd->reify = 0;
{
unsigned char o_events = anfd->events;
unsigned char o_reify = anfd->reify;
anfd->reify = 0;
anfd->events = events;
backend_modify (EV_A_ fd, anfd->events, events);
anfd->events = events;
if (o_events != events || o_reify & EV_IOFDSET)
backend_modify (EV_A_ fd, o_events, events);
}
}
fdchangecnt = 0;
@ -562,7 +568,7 @@ void inline_size
fd_change (EV_P_ int fd, int flags)
{
unsigned char reify = anfds [fd].reify;
anfds [fd].reify |= flags | 1;
anfds [fd].reify |= flags;
if (expect_true (!reify))
{
@ -630,7 +636,7 @@ fd_rearm_all (EV_P)
if (anfds [fd].events)
{
anfds [fd].events = 0;
fd_change (EV_A_ fd, EV_IOFDSET);
fd_change (EV_A_ fd, EV_IOFDSET | 1);
}
}
@ -1602,8 +1608,8 @@ ev_io_start (EV_P_ ev_io *w)
array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
wlist_add (&anfds[fd].head, (WL)w);
fd_change (EV_A_ fd, w->events & EV_IOFDSET);
w->events &= ~ EV_IOFDSET;
fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
w->events &= ~EV_IOFDSET;
}
void noinline
@ -1618,7 +1624,7 @@ ev_io_stop (EV_P_ ev_io *w)
wlist_del (&anfds[w->fd].head, (WL)w);
ev_stop (EV_A_ (W)w);
fd_change (EV_A_ w->fd, 0);
fd_change (EV_A_ w->fd, 1);
}
void noinline


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