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author | Gil Cukierman <cukie@google.com> | 2022-10-31 14:08:03 +0000 |
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committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2022-10-31 14:08:03 +0000 |
commit | dae12c7b40c255ad7c6612591e2908a266f2cfd5 (patch) | |
tree | ebe9c872e416346e4b333e5062da32401c8e0a73 /test/eventfd-reg.c | |
parent | d53db6851ea17b2d219d084e1afc683b8b62b105 (diff) | |
parent | d0a2042580f3ed180db5e2b53029296a8b555115 (diff) | |
download | liburing-dae12c7b40c255ad7c6612591e2908a266f2cfd5.tar.gz |
Update liburing to version 2.2 am: d0a2042580main-16k-with-phones
Original change: https://android-review.googlesource.com/c/platform/external/liburing/+/2276974
Change-Id: I0ac5dbb2b0dadb76713528e6ab0110ec071bad63
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
Diffstat (limited to 'test/eventfd-reg.c')
-rw-r--r-- | test/eventfd-reg.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/test/eventfd-reg.c b/test/eventfd-reg.c new file mode 100644 index 0000000..b447455 --- /dev/null +++ b/test/eventfd-reg.c @@ -0,0 +1,76 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Description: test eventfd registration+unregistration + * + */ +#include <errno.h> +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> +#include <poll.h> +#include <sys/eventfd.h> + +#include "liburing.h" + +int main(int argc, char *argv[]) +{ + struct io_uring_params p = {}; + struct io_uring ring; + int ret, evfd[2], i; + + if (argc > 1) + return 0; + + ret = io_uring_queue_init_params(8, &ring, &p); + if (ret) { + fprintf(stderr, "ring setup failed: %d\n", ret); + return 1; + } + + evfd[0] = eventfd(0, EFD_CLOEXEC); + evfd[1] = eventfd(0, EFD_CLOEXEC); + if (evfd[0] < 0 || evfd[1] < 0) { + perror("eventfd"); + return 1; + } + + ret = io_uring_register_eventfd(&ring, evfd[0]); + if (ret) { + fprintf(stderr, "failed to register evfd: %d\n", ret); + return 1; + } + + /* Check that registrering again will get -EBUSY */ + ret = io_uring_register_eventfd(&ring, evfd[1]); + if (ret != -EBUSY) { + fprintf(stderr, "unexpected 2nd register: %d\n", ret); + return 1; + } + close(evfd[1]); + + ret = io_uring_unregister_eventfd(&ring); + if (ret) { + fprintf(stderr, "unexpected unregister: %d\n", ret); + return 1; + } + + /* loop 100 registers/unregister */ + for (i = 0; i < 100; i++) { + ret = io_uring_register_eventfd(&ring, evfd[0]); + if (ret) { + fprintf(stderr, "failed to register evfd: %d\n", ret); + return 1; + } + + ret = io_uring_unregister_eventfd(&ring); + if (ret) { + fprintf(stderr, "unexpected unregister: %d\n", ret); + return 1; + } + } + + close(evfd[0]); + return 0; +} |