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test io_uring

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This commit is contained in:
zhengshuxin 2022-10-18 06:47:08 -04:00
parent a4493adef2
commit f960c8f689
1 changed files with 36 additions and 2 deletions
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38
lib_fiber/c/src/event/event_io_uring.c
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@ -372,7 +372,6 @@ static int wait_one(EVENT_URING *ep, int timeout)
ts.tv_sec = 0;
ts.tv_nsec = 0;
tp = NULL;
assert(0);
}
ret = io_uring_wait_cqes(&ep->ring, &cqe, 1, tp, NULL);
@ -408,6 +407,9 @@ static int wait_one(EVENT_URING *ep, int timeout)
static int peek_more(EVENT_URING *ep)
{
#define PEEK_BATCH
#ifdef PEEK_BATCH
#define PEEK_MAX 100
struct io_uring_cqe *cqes[PEEK_MAX + 1];
FILE_EVENT *fe;
@ -437,6 +439,32 @@ static int peek_more(EVENT_URING *ep)
}
return cnt;
#else
int cnt = 0, ret;
struct io_uring_cqe *cqe;
FILE_EVENT *fe;
while (1) {
ret = io_uring_peek_cqe(&ep->ring, &cqe);
if (ret == -EAGAIN) {
break;
}
ret = cqe->res;
fe = (FILE_EVENT*) io_uring_cqe_get_data(cqe);
io_uring_cqe_seen(&ep->ring, cqe);
if (ret == -ETIME || ret == -ECANCELED || fe == NULL) {
continue;
} else if (ret < 0) {
return -1;
}
handle_one((EVENT*) ep, fe, ret);
cnt++;
}
return cnt;
#endif
}
static int event_uring_wait(EVENT *ev, int timeout)
@ -450,6 +478,7 @@ static int event_uring_wait(EVENT *ev, int timeout)
}
while (1) {
#if 1
if (count > 0) {
ret = peek_more(ep);
if (ret == 0) {
@ -468,7 +497,12 @@ static int event_uring_wait(EVENT *ev, int timeout)
}
count += ret;
}
#else
count = peek_more(ep);
if (count <= 0) {
break;
}
#endif
//usleep(10000);
}