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allow multiple calls to uloop_init() without annoying side effects

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This commit is contained in:
Felix Fietkau 2011-02-11 01:25:17 +01:00
parent 1ef7c81dfc
commit 7ec33884a3
1 changed files with 11 additions and 1 deletions
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12
uloop.c
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@ -47,13 +47,16 @@
#define ULOOP_MAX_EVENTS 10
static struct uloop_timeout *first_timeout;
static int poll_fd;
static int poll_fd = -1;
bool uloop_cancelled = false;
#ifdef USE_KQUEUE
int uloop_init(void)
{
if (poll_fd >= 0)
return 0;
poll_fd = kqueue();
if (poll_fd < 0)
return -1;
@ -160,6 +163,9 @@ static void uloop_run_events(int timeout)
int uloop_init(void)
{
if (poll_fd >= 0)
return 0;
poll_fd = epoll_create(32);
if (poll_fd < 0)
return -1;
@ -383,5 +389,9 @@ void uloop_run(void)
void uloop_done(void)
{
if (poll_fd < 0)
return;
close(poll_fd);
poll_fd = -1;
}