diff options
Diffstat (limited to 'posix')
-rw-r--r-- | posix/Makefile | 3 | ||||
-rw-r--r-- | posix/tst-posix_fadvise-common.c | 103 | ||||
-rw-r--r-- | posix/tst-posix_fadvise.c | 25 | ||||
-rw-r--r-- | posix/tst-posix_fadvise64.c | 46 |
4 files changed, 176 insertions, 1 deletions
diff --git a/posix/Makefile b/posix/Makefile index 586d45bf2a..c493f317a2 100644 --- a/posix/Makefile +++ b/posix/Makefile @@ -90,7 +90,8 @@ tests := tstgetopt testfnm runtests runptests \ bug-getopt5 tst-getopt_long1 bug-regex34 bug-regex35 \ tst-pathconf tst-getaddrinfo4 tst-rxspencer-no-utf8 \ tst-fnmatch3 bug-regex36 tst-getaddrinfo5 \ - tst-posix_spawn-fd + tst-posix_spawn-fd \ + tst-posix_fadvise tst-posix_fadvise64 xtests := bug-ga2 ifeq (yes,$(build-shared)) test-srcs := globtest diff --git a/posix/tst-posix_fadvise-common.c b/posix/tst-posix_fadvise-common.c new file mode 100644 index 0000000000..bb04c6116f --- /dev/null +++ b/posix/tst-posix_fadvise-common.c @@ -0,0 +1,103 @@ +/* Common posix_fadvise tests definitions. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <fcntl.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> + +static void do_prepare (void); +#define PREPARE(argc, argv) do_prepare () +static int do_test (void); +#define TEST_FUNCTION do_test () + +#include <test-skeleton.c> + +static char *temp_filename; +static int temp_fd; +static char fifoname[] = "/tmp/tst-posix_fadvise-fifo-XXXXXX"; +static int fifofd; + +static void +do_prepare (void) +{ + temp_fd = create_temp_file ("tst-posix_fadvise.", &temp_filename); + if (temp_fd == -1) + FAIL_EXIT1 ("cannot create temporary file: %m"); + + if (mktemp (fifoname) == NULL) + FAIL_EXIT1 ("cannot generate temp file name: %m"); + add_temp_file (fifoname); + + if (mkfifo (fifoname, S_IWUSR | S_IRUSR) != 0) + FAIL_EXIT1 ("cannot create fifo: %m"); + + fifofd = open (fifoname, O_RDONLY | O_NONBLOCK); + if (fifofd == -1) + FAIL_EXIT1 ("cannot open fifo: %m"); +} + +/* Effectivelly testing posix_fadvise is hard because side effects are not + observed without checking either performance or any kernel specific + supplied information. Also, the syscall is meant to be an advisory, + so the kernel is free to use this information in any way it deems fit, + including ignoring it. + + This test check for some invalid returned operation to check argument + passing and if implementation follows POSIX error definition. */ +static int +do_test_common (void) +{ + /* Add some data to file and ensure it is written to disk. */ +#define BLK_SIZE 2048 + char buffer[BLK_SIZE] = { 0xcd }; + ssize_t ret; + + if ((ret = write (temp_fd, buffer, BLK_SIZE)) != BLK_SIZE) + FAIL_EXIT1 ("write returned %zd different than expected %d", + ret, BLK_SIZE); + + if (fsync (temp_fd) != 0) + FAIL_EXIT1 ("fsync failed"); + + /* Test passing an invalid fd. */ + if (posix_fadvise (-1, 0, 0, POSIX_FADV_NORMAL) != EBADF) + FAIL_EXIT1 ("posix_fadvise with invalid fd did not return EBADF"); + + /* Test passing an invalid operation. */ + if (posix_fadvise (temp_fd, 0, 0, -1) != EINVAL) + FAIL_EXIT1 ("posix_fadvise with invalid advise did not return EINVAL"); + + /* Test passing a FIFO fd. */ + if (posix_fadvise (fifofd, 0, 0, POSIX_FADV_NORMAL) != ESPIPE) + FAIL_EXIT1 ("posix_advise with PIPE fd did not return ESPIPE"); + + /* Default fadvise on all file starting at initial position. */ + if (posix_fadvise (temp_fd, 0, 0, POSIX_FADV_NORMAL) != 0) + FAIL_EXIT1 ("default posix_fadvise failed"); + + if (posix_fadvise (temp_fd, 0, 2 * BLK_SIZE, POSIX_FADV_NORMAL) != 0) + FAIL_EXIT1 ("posix_fadvise failed (offset = 0, len = %d) failed", + BLK_SIZE); + + if (posix_fadvise (temp_fd, 2 * BLK_SIZE, 0, POSIX_FADV_NORMAL) != 0) + FAIL_EXIT1 ("posix_fadvise failed (offset = %d, len = 0) failed", + BLK_SIZE); + + return 0; +} diff --git a/posix/tst-posix_fadvise.c b/posix/tst-posix_fadvise.c new file mode 100644 index 0000000000..6ee0936284 --- /dev/null +++ b/posix/tst-posix_fadvise.c @@ -0,0 +1,25 @@ +/* Basic posix_fadvise tests. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include "tst-posix_fadvise-common.c" + +static int +do_test (void) +{ + return do_test_common (); +} diff --git a/posix/tst-posix_fadvise64.c b/posix/tst-posix_fadvise64.c new file mode 100644 index 0000000000..391aa7911f --- /dev/null +++ b/posix/tst-posix_fadvise64.c @@ -0,0 +1,46 @@ +/* Basic posix_fadvise64 tests. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#define _FILE_OFFSET_BITS 64 +#include "tst-posix_fadvise-common.c" + +static int +do_test (void) +{ + int ret = do_test_common (); + if (ret == 1) + return 1; + + /* Test passing a negative length. The compat fadvise64 might use + off64_t for size argument passing, so using -1 for len without + _FILE_OFFSET_BITS might not trigger the length issue. */ + if (posix_fadvise (temp_fd, 0, -1, POSIX_FADV_NORMAL) != EINVAL) + FAIL_EXIT1 ("posix_fadvise with negative length did not return EINVAL"); + + /* Check with some offset values larger than 32-bits. */ + off_t offset = UINT32_MAX + 2048LL; + if (posix_fadvise (temp_fd, 0, offset, POSIX_FADV_NORMAL) != 0) + FAIL_EXIT1 ("posix_fadvise failed (offset = 0, len = %zd) failed", + (ssize_t)offset); + + if (posix_fadvise (temp_fd, offset, 0, POSIX_FADV_NORMAL) != 0) + FAIL_EXIT1 ("posix_fadvise failed (offset = %zd, len = 0) failed", + (ssize_t)offset); + + return 0; +} |