diff options
Diffstat (limited to 'test/file-register.c')
| -rw-r--r-- | test/file-register.c | 117 |
1 files changed, 114 insertions, 3 deletions
diff --git a/test/file-register.c b/test/file-register.c index c5c5507..6889dbf 100644 --- a/test/file-register.c +++ b/test/file-register.c @@ -9,6 +9,7 @@ #include <stdlib.h> #include <string.h> #include <fcntl.h> +#include <sys/resource.h> #include "helpers.h" #include "liburing.h" @@ -351,8 +352,9 @@ static int test_basic(struct io_uring *ring, int fail) { int *files; int ret; + int nr_files = fail ? 10 : 100; - files = open_files(fail ? 10 : 100, 0, 0); + files = open_files(nr_files, 0, 0); ret = io_uring_register_files(ring, files, 100); if (ret) { if (fail) { @@ -371,10 +373,10 @@ static int test_basic(struct io_uring *ring, int fail) fprintf(stderr, "%s: unregister %d\n", __FUNCTION__, ret); goto err; } - close_files(files, 100, 0); + close_files(files, nr_files, 0); return 0; err: - close_files(files, 100, 0); + close_files(files, nr_files, 0); return 1; } @@ -493,6 +495,18 @@ static int test_fixed_read_write(struct io_uring *ring, int index) return 0; } +static void adjust_nfiles(int want_files) +{ + struct rlimit rlim; + + if (getrlimit(RLIMIT_NOFILE, &rlim) < 0) + return; + if (rlim.rlim_cur >= want_files) + return; + rlim.rlim_cur = want_files; + setrlimit(RLIMIT_NOFILE, &rlim); +} + /* * Register 8K of sparse files, update one at a random spot, then do some * file IO to verify it works. @@ -502,6 +516,8 @@ static int test_huge(struct io_uring *ring) int *files; int ret; + adjust_nfiles(16384); + files = open_files(0, 8192, 0); ret = io_uring_register_files(ring, files, 8192); if (ret) { @@ -729,7 +745,90 @@ static int test_fixed_removal_ordering(void) return 0; } +/* mix files requiring SCM-accounting and not in a single register */ +static int test_mixed_af_unix(void) +{ + struct io_uring ring; + int i, ret, fds[2]; + int reg_fds[32]; + int sp[2]; + ret = io_uring_queue_init(8, &ring, 0); + if (ret < 0) { + fprintf(stderr, "failed to init io_uring: %s\n", strerror(-ret)); + return ret; + } + if (pipe(fds)) { + perror("pipe"); + return -1; + } + if (socketpair(AF_UNIX, SOCK_DGRAM, 0, sp) != 0) { + perror("Failed to create Unix-domain socket pair\n"); + return 1; + } + + for (i = 0; i < 16; i++) { + reg_fds[i * 2] = fds[0]; + reg_fds[i * 2 + 1] = sp[0]; + } + + ret = io_uring_register_files(&ring, reg_fds, 32); + if (ret) { + fprintf(stderr, "file_register: %d\n", ret); + return ret; + } + + close(fds[0]); + close(fds[1]); + close(sp[0]); + close(sp[1]); + io_uring_queue_exit(&ring); + return 0; +} + +static int test_partial_register_fail(void) +{ + char buffer[128]; + struct io_uring ring; + int ret, fds[2]; + int reg_fds[5]; + + ret = io_uring_queue_init(8, &ring, 0); + if (ret < 0) { + fprintf(stderr, "failed to init io_uring: %s\n", strerror(-ret)); + return ret; + } + if (pipe(fds)) { + perror("pipe"); + return -1; + } + + /* + * Expect register to fail as it doesn't support io_uring fds, shouldn't + * leave any fds referenced afterwards. + */ + reg_fds[0] = fds[0]; + reg_fds[1] = fds[1]; + reg_fds[2] = -1; + reg_fds[3] = ring.ring_fd; + reg_fds[4] = -1; + ret = io_uring_register_files(&ring, reg_fds, 5); + if (!ret) { + fprintf(stderr, "file_register unexpectedly succeeded\n"); + return 1; + } + + /* ring should have fds referenced, can close them */ + close(fds[1]); + + /* confirm that fds[1] is actually close and to ref'ed by io_uring */ + ret = read(fds[0], buffer, 10); + if (ret < 0) + perror("read"); + close(fds[0]); + io_uring_queue_exit(&ring); + return 0; +} int main(int argc, char *argv[]) { @@ -838,5 +937,17 @@ int main(int argc, char *argv[]) return 1; } + ret = test_mixed_af_unix(); + if (ret) { + printf("test_mixed_af_unix failed\n"); + return 1; + } + + ret = test_partial_register_fail(); + if (ret) { + printf("test_partial_register_fail failed\n"); + return ret; + } + return 0; } |