diff options
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/mips32/sync_file_range.c | 33 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc64/sync_file_range.c | 30 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sync_file_range.c | 35 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/tst-sync_file_range.c | 131 |
8 files changed, 150 insertions, 94 deletions
diff --git a/ChangeLog b/ChangeLog index 9421300ec2..e87cd68a13 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,13 @@ +2016-10-11 Adhemerval Zanella <adhemerval.zanella@linaro.org> + + * sysdeps/unix/sysv/linux/Makefile (tests): Add tst-sync_file_range. + * sysdeps/unix/sysv/linux/mips/mips32/sync_file_range.c: Remove file. + * sysdeps/sysv/linux/powerpc/powerpc64/sync_file_range.c: Likewise. + * sysdeps/unix/sysv/linux/sync_file_range.c: Use SYSCALL_LL64 and + remove ENOSYS implementation. + * sysdeps/unix/sysv/linux/tst-sync_file_range.c (sync_file_range): + Consolidate all Linux implementations. + 2016-10-11 Florian Weimer <fweimer@redhat.com> * resolv/Makefile (+cflags): Do not set -Wno-write-strings. diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index f8f778bb83..101e120eb2 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -43,7 +43,7 @@ sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \ bits/mman-linux.h tests += tst-clone tst-clone2 tst-fanotify tst-personality tst-quota \ - tst-fallocate tst-fallocate64 + tst-fallocate tst-fallocate64 tst-sync_file_range # Generate the list of SYS_* macros for the system calls (__NR_* macros). diff --git a/sysdeps/unix/sysv/linux/mips/mips32/sync_file_range.c b/sysdeps/unix/sysv/linux/mips/mips32/sync_file_range.c deleted file mode 100644 index de831c79e4..0000000000 --- a/sysdeps/unix/sysv/linux/mips/mips32/sync_file_range.c +++ /dev/null @@ -1,33 +0,0 @@ -/* Selective file content synch'ing. - Copyright (C) 2006-2016 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 <errno.h> -#include <fcntl.h> -#include <sys/types.h> - -#include <sysdep-cancel.h> -#include <sys/syscall.h> - -int -sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags) -{ - return SYSCALL_CANCEL (sync_file_range, fd, 0, - __LONG_LONG_PAIR ((long) (from >> 32), (long) from), - __LONG_LONG_PAIR ((long) (to >> 32), (long) to), - flags); -} diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list index f55a94ac89..58fd46a9b9 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list @@ -3,7 +3,6 @@ mmap64 - mmap b:aniiii __mmap64 mmap64 readahead - readahead i:iii __readahead readahead -sync_file_range - sync_file_range Ci:iiii sync_file_range prlimit64 EXTRA prlimit64 i:iipp prlimit64 diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list index 890a74494a..533f19d7d1 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list @@ -2,8 +2,6 @@ mmap - mmap b:aniiii __mmap mmap __mmap64 mmap64 -sync_file_range - sync_file_range Ci:iiii sync_file_range - prlimit EXTRA prlimit64 i:iipp prlimit prlimit64 fanotify_mark EXTRA fanotify_mark i:iiiis fanotify_mark diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sync_file_range.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sync_file_range.c deleted file mode 100644 index d76a2ffdff..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sync_file_range.c +++ /dev/null @@ -1,30 +0,0 @@ -/* Selective file content synch'ing. - Copyright (C) 2006-2016 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 <errno.h> -#include <fcntl.h> -#include <sys/types.h> - -#include <sysdep-cancel.h> -#include <sys/syscall.h> - -int -sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags) -{ - return SYSCALL_CANCEL (sync_file_range2, fd, flags, from, to); -} diff --git a/sysdeps/unix/sysv/linux/sync_file_range.c b/sysdeps/unix/sysv/linux/sync_file_range.c index a8f42146a7..89f21e6009 100644 --- a/sysdeps/unix/sysv/linux/sync_file_range.c +++ b/sysdeps/unix/sysv/linux/sync_file_range.c @@ -16,37 +16,18 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <errno.h> #include <fcntl.h> -#include <sys/types.h> - #include <sysdep-cancel.h> -#include <sys/syscall.h> - -#ifdef __NR_sync_file_range int -sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags) +sync_file_range (int fd, __off64_t offset, __off64_t len, unsigned int flags) { +#if defined (__NR_sync_file_range2) + return SYSCALL_CANCEL (sync_file_range2, fd, flags, SYSCALL_LL64 (offset), + SYSCALL_LL64 (len)); +#elif defined (__NR_sync_file_range) return SYSCALL_CANCEL (sync_file_range, fd, - __LONG_LONG_PAIR ((long) (from >> 32), (long) from), - __LONG_LONG_PAIR ((long) (to >> 32), (long) to), - flags); -} -#elif defined __NR_sync_file_range2 -int -sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags) -{ - return SYSCALL_CANCEL (sync_file_range2, fd, flags, - __LONG_LONG_PAIR ((long) (from >> 32), (long) from), - __LONG_LONG_PAIR ((long) (to >> 32), (long) to)); -} -#else -int -sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags) -{ - __set_errno (ENOSYS); - return -1; -} -stub_warning (sync_file_range) + __ALIGNMENT_ARG SYSCALL_LL64 (offset), + SYSCALL_LL64 (len), flags); #endif +} diff --git a/sysdeps/unix/sysv/linux/tst-sync_file_range.c b/sysdeps/unix/sysv/linux/tst-sync_file_range.c new file mode 100644 index 0000000000..499a234e00 --- /dev/null +++ b/sysdeps/unix/sysv/linux/tst-sync_file_range.c @@ -0,0 +1,131 @@ +/* Basic sync_file_range (not specific flag is checked). + 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/>. */ + +/* sync_file_range is only define for LFS. */ +#define _FILE_OFFSET_BITS 64 +#include <fcntl.h> +#include <errno.h> + +static void do_prepare (void); +#define PREPARE(argc, argv) do_prepare () +static int do_test (void); +#define TEST_FUNCTION do_test () + +#define TIMEOUT 20 /* sec. */ + +#define XSTR(s) STR(S) +#define STR(s) #s + +#include <test-skeleton.c> + +static char *temp_filename; +static int temp_fd; + +static char fifoname[] = "/tmp/tst-posix_fadvise-fifo-XXXXXX"; +static int fifofd; + +void +do_prepare (void) +{ + temp_fd = create_temp_file ("tst-file_sync_range.", &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"); +} + +static int +do_test (void) +{ + int ret; + + /* This tests first check for some invalid usage and then check for + a simple usage. It does not cover for all possible issue since for + EIO/ENOMEM/ENOSPC would require to create very specific scenarios that + are outside the current test coverage (basically correct kernel argument + passing. */ + + /* Check for invalid file descriptor. */ + if ((ret = sync_file_range (-1, 0, 0, 0)) != -1) + FAIL_EXIT1 ("sync_file_range did not fail on an invalid descriptor " + "(returned %d, expected -1)", ret); + if (errno != EBADF) + FAIL_EXIT1 ("sync_file_range on an invalid descriptor did not set errno to " + "EBADF (%d)", errno); + + if ((ret = sync_file_range (fifofd, 0, 0, 0)) != -1) + FAIL_EXIT1 ("sync_file_range did not fail on an invalid descriptor " + "(returned %d, expected -1)", ret); + if (errno != ESPIPE) + FAIL_EXIT1 ("sync_file_range on an invalid descriptor did not set errno to " + "EBADF (%d)", errno); + + /* Check for invalid flags (it must be + SYNC_FILE_RANGE_{WAIT_BEFORE,WRITE,WAIT_AFTER) or a 'or' combination of + them. */ + if ((ret = sync_file_range (temp_fd, 0, 0, -1)) != -1) + FAIL_EXIT1 ("sync_file_range did not failed with invalid flags " + "(returned %d, " "expected -1)", ret); + if (errno != EINVAL) + FAIL_EXIT1 ("sync_file_range with invalid flag did not set errno to " + "EINVAL (%d)", errno); + + /* Check for negative offset. */ + if ((ret = sync_file_range (temp_fd, -1, 1, 0)) != -1) + FAIL_EXIT1 ("sync_file_range did not failed with invalid offset " + "(returned %d, expected -1)", ret); + if (errno != EINVAL) + FAIL_EXIT1 ("sync_file_range with invalid offset did not set errno to " + "EINVAL (%d)", errno); + + /* offset + nbytes must be a positive value. */ + if ((ret = sync_file_range (temp_fd, 1024, -2048, 0)) != -1) + FAIL_EXIT1 ("sync_file_range did not failed with invalid nbytes (returned %d, " + "expected -1)", ret); + if (errno != EINVAL) + FAIL_EXIT1 ("sync_file_range with invalid offset did not set errno to " + "EINVAL (%d)", errno); + + /* offset + nbytes must be larger or equal than offset */ + if ((ret = sync_file_range (temp_fd, -1024, 1024, 0)) != -1) + FAIL_EXIT1 ("sync_file_range did not failed with invalid offset " + "(returned %d, expected -1)", ret); + if (errno != EINVAL) + FAIL_EXIT1 ("sync_file_range with invalid offset did not set errno to " + "EINVAL (%d)", errno); + + /* Check simple successful case. */ + if ((ret = sync_file_range (temp_fd, 0, 1024, 0)) == -1) + FAIL_EXIT1 ("sync_file_range failed (errno = %d)", errno); + + /* Finally check also a successful case with a 64-bit offset. */ + off_t large_offset = UINT32_MAX + 2048LL; + if ((ret = sync_file_range (temp_fd, large_offset, 1024, 0)) == -1) + FAIL_EXIT1 ("sync_file_range failed (errno = %d)", errno); + + return 0; +} |