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Add poller_post_fork() for *BSD kqueue

This commit is contained in:
Přemysl Eric Janouch 2016-03-13 16:41:16 +01:00
parent 1051ad555a
commit 365aed456e
1 changed files with 16 additions and 2 deletions
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18
liberty.c
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@ -1612,6 +1612,8 @@ poller_set (struct poller *self, struct poller_fd *fd)
modifying ? EPOLL_CTL_MOD : EPOLL_CTL_ADD, fd->fd, &event) != -1);
}
#define poller_post_fork(self)
static int
poller_compare_fds (const void *ax, const void *bx)
{
@ -1763,12 +1765,10 @@ static void
poller_set (struct poller *self, struct poller_fd *fd)
{
hard_assert (fd->poller == self);
bool modifying = true;
if (fd->index == -1)
{
poller_ensure_space (self);
self->fds[fd->index = self->len++] = fd;
modifying = false;
}
// We have to watch for readability and writeability separately;
@ -1784,6 +1784,18 @@ poller_set (struct poller *self, struct poller_fd *fd)
exit_fatal ("%s: %s", "kevent", strerror (errno));
}
static void
poller_post_fork (struct poller *self)
{
// The kqueue FD isn't preserved across forks, need to recreate it
self->kqueue_fd = kqueue ();
hard_assert (self->kqueue_fd != -1);
set_cloexec (self->kqueue_fd);
for (size_t i = 0; i < self->len; i++)
poller_set (self, self->fds[i]);
}
static int
poller_compare_fds (const void *ax, const void *bx)
{
@ -1987,6 +1999,8 @@ poller_set (struct poller *self, struct poller_fd *fd)
new_entry->events = fd->events;
}
#define poller_post_fork(self)
static void
poller_remove_at_index (struct poller *self, size_t index)
{