2016-10-07 Adhemerval Zanella <adhemerval.zanella@linaro.org>
+ * posix/Makefile (tests): Add tst-posix_fadvise and tst-posix_fadvise64.
+ * posix/tst-posix_fadvise.c: New file.
+ * posix/tst-posix_fadvise64.c: Likewise.
+ * posix/tst-posix_fadvise-common.c: Likewise.
+ * sysdeps/unix/sysv/linux/arm/kernel-features.h
+ (__ASSUME_FADVISE64_64_6ARG): Define.
+ * sysdeps/unix/sysv/linux/powerpc/kernel-features.h
+ [!__powerpc64__] (__ASSUME_FADVISE64_64_6ARG): Define.
+ * sysdeps/unix/sysv/linux/tile/kernel-features.h
+ [!LP64] (__ASSUME_FADVISE64_64_NO_ALIGN): Define.
+ * sysdeps/unix/sysv/linux/arm/posix_fadvise64.c: Remove file.
+ * sysdeps/unix/sysv/linux/generic/wordsize-32/posix_fadvise.c: Likewise.
+ * sysdeps/unix/sysv/linux/i386/posix_fadvise64.S: Likewise.
+ * sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise.c: Likewise.
+ * sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise64.c: Likewise.
+ * sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise.c: Likewise.
+ * sysdeps/unix/sysv/linux/mips/mips64/n32/posix_fadvise64.c: Likewise.
+ * sysdeps/unix/sysv/linux/mips/mips64/n64/posix_fadvise.c: Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise.c: Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c:
+ Likewise.
+ * sysdeps/unix/sysv/linux/wordsize-64/posix_fadvise.c: Likewise.
+ * sysdeps/unix/sysv/linux/wordsize-64/posix_fadvise64.c: Likewise.
+ * sysdeps/unix/sysv/linux/mips/mips64/n64/posix_fadvise64.c
+ (SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) [__posix_fadvise64_l64]:
+ Alias to __posix_fadvise64_l32.
+ (SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) [__posix_fadvise64_l32]:
+ Add compat definition to posix_fadvise64.
+ (SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) [__posix_fadvise64_l64]:
+ Add versioned definition to posix_fadvise64.
+ * sysdeps/unix/sysv/linux/posix_fadvise.c (posix_fadvise): Build iff
+ __OFF_T_MATCHES_OFF64_T is defined, use INTERNAL_SYSCALL_CALL, add
+ __ASSUME_FADVISE64_64_6ARG/__ASSUME_FADVISE64_64_NO_ALIGN support.
+ * sysdeps/unix/sysv/linux/posix_fadvise64.c (posix_fadvise64): Add
+ __ASSUME_FADVISE64_64_NO_ALIGN support and use INTERNAL_SYSCALL_CALL.
+
* io/Makefile (tests): Add tst-posix_fallocate and
tst-posix_fallocate64.
* io/tst-posix_fallocate-common.c: New file.
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
--- /dev/null
+/* 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;
+}
-/* Copyright (C) 2003-2016 Free Software Foundation, Inc.
+/* 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
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#include <errno.h>
-#include <fcntl.h>
-#include <sysdep.h>
+#include "tst-posix_fadvise-common.c"
-/* Advice the system about the expected behaviour of the application with
- respect to the file associated with FD. */
-
-int
-posix_fadvise (int fd, off_t offset, off_t len, int advise)
+static int
+do_test (void)
{
-#ifdef __NR_fadvise64
- INTERNAL_SYSCALL_DECL (err);
- int ret = INTERNAL_SYSCALL (fadvise64, err, 6, fd, 0,
- __LONG_LONG_PAIR (offset >> 31, offset), len,
- advise);
- if (INTERNAL_SYSCALL_ERROR_P (ret, err))
- return INTERNAL_SYSCALL_ERRNO (ret, err);
- return 0;
-#else
- return ENOSYS;
-#endif
+ return do_test_common ();
}
--- /dev/null
+/* 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;
+}
# undef __ASSUME_SET_ROBUST_LIST
#endif
+/* ARM fadvise64_64 reorganize the syscall arguments. */
+#define __ASSUME_FADVISE64_64_6ARG 1
+
/* Define this if your 32-bit syscall API requires 64-bit register
pairs to start with an even-number register. */
#define __ASSUME_ALIGNED_REGISTER_PAIRS 1
+
+/* ARM only has a syscall for fadvise64{_64} and it is defined with a
+ non-standard name. */
+#define __NR_fadvise64_64 __NR_arm_fadvise64_64
+++ /dev/null
-/* Copyright (C) 2003-2016 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 <sysdep.h>
-
-int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise);
-
-/* Advice the system about the expected behaviour of the application with
- respect to the file associated with FD. */
-
-int
-__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
-{
- INTERNAL_SYSCALL_DECL (err);
- int ret = INTERNAL_SYSCALL (arm_fadvise64_64, err, 6, fd, advise,
- __LONG_LONG_PAIR ((long)(offset >> 32), (long)offset),
- __LONG_LONG_PAIR ((long)(len >> 32), (long)len));
- if (!INTERNAL_SYSCALL_ERROR_P (ret, err))
- return 0;
- return INTERNAL_SYSCALL_ERRNO (ret, err);
-}
-weak_alias (__posix_fadvise64_l64, posix_fadvise64);
+++ /dev/null
-/* Copyright (C) 2011-2016 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
-
- 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 <sysdep.h>
-
-/* Advice the system about the expected behaviour of the application with
- respect to the file associated with FD. */
-
-int
-posix_fadvise (int fd, off_t offset, off_t len, int advise)
-{
- INTERNAL_SYSCALL_DECL (err);
- int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd,
- __LONG_LONG_PAIR (offset >> 31, offset),
- __LONG_LONG_PAIR (len >> 31, len),
- advise);
- if (INTERNAL_SYSCALL_ERROR_P (ret, err))
- return INTERNAL_SYSCALL_ERRNO (ret, err);
- return 0;
-}
+++ /dev/null
-/* Copyright (C) 1995-2016 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 <sysdep.h>
-
-#define EINVAL 22
-#define ENOSYS 38
-#define EOVERFLOW 75
-
-#define SVRSP 16 /* saved register space */
-#define PARMS 4+SVRSP /* space for 4 saved regs */
-#define FD PARMS
-#define OFFLO FD+4
-#define OFFHI OFFLO+4
-#define LENLO OFFHI+4
-#define LENHI LENLO+4
-#define FLAGS LENHI+4
-
- .text
-ENTRY (__posix_fadvise64_l64)
-
- /* Save registers. */
- pushl %ebp
- cfi_adjust_cfa_offset (4)
- pushl %ebx
- cfi_adjust_cfa_offset (4)
- pushl %esi
- cfi_adjust_cfa_offset (4)
- pushl %edi
- cfi_adjust_cfa_offset (4)
-
- movl FD(%esp), %ebx
- cfi_rel_offset (ebx, 8)
- movl OFFLO(%esp), %ecx
- movl OFFHI(%esp), %edx
- movl LENLO(%esp), %esi
- cfi_rel_offset (esi, 4)
- movl LENHI(%esp), %edi
- cfi_rel_offset (edi, 0)
- movl FLAGS(%esp), %ebp
- cfi_rel_offset (ebp, 12)
-
- movl $SYS_ify(fadvise64_64), %eax
- ENTER_KERNEL
-
- /* Restore registers. */
- popl %edi
- cfi_adjust_cfa_offset (-4)
- cfi_restore (edi)
- popl %esi
- cfi_adjust_cfa_offset (-4)
- cfi_restore (esi)
- popl %ebx
- cfi_adjust_cfa_offset (-4)
- cfi_restore (ebx)
- popl %ebp
- cfi_adjust_cfa_offset (-4)
- cfi_restore (ebp)
-
- /* The function returns zero, or the error number. So all we
- have to do is negate the value passed back from the kernel. */
- /* If 0 > %eax > -4096 there was an error. */
- negl %eax
-
- /* Successful; return the syscall's value. */
- ret
-
-END (__posix_fadvise64_l64)
-
- .section .text.compat, "ax"
-ENTRY (__posix_fadvise64_l32)
- DO_CALL (fadvise64, 5)
- negl %eax
- ret
-PSEUDO_END_ERRVAL (__posix_fadvise64_l32)
-
-default_symbol_version (__posix_fadvise64_l64, posix_fadvise64, GLIBC_2.3.3)
-symbol_version (__posix_fadvise64_l32, posix_fadvise64, GLIBC_2.2)
+++ /dev/null
-/* Copyright (C) 2007-2016 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 <sysdep.h>
-
-/* Advice the system about the expected behaviour of the application with
- respect to the file associated with FD. */
-
-int
-posix_fadvise (int fd, off_t offset, off_t len, int advise)
-{
-/* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */
-#ifdef __NR_fadvise64
- INTERNAL_SYSCALL_DECL (err);
- int ret = INTERNAL_SYSCALL (fadvise64, err, 7, fd, 0,
- __LONG_LONG_PAIR (offset >> 31, offset),
- __LONG_LONG_PAIR (len >> 31, len),
- advise);
- if (INTERNAL_SYSCALL_ERROR_P (ret, err))
- return INTERNAL_SYSCALL_ERRNO (ret, err);
- return 0;
-#else
- return ENOSYS;
-#endif
-}
+++ /dev/null
-/* Copyright (C) 2007-2016 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 <sysdep.h>
-
-/* Advice the system about the expected behaviour of the application with
- respect to the file associated with FD. */
-
-int
-__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
-{
-/* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */
-#ifdef __NR_fadvise64
- INTERNAL_SYSCALL_DECL (err);
- int ret = INTERNAL_SYSCALL (fadvise64, err, 7, fd, 0,
- __LONG_LONG_PAIR ((long) (offset >> 32),
- (long) offset),
- __LONG_LONG_PAIR ((long) (len >> 32),
- (long) len),
- advise);
- if (INTERNAL_SYSCALL_ERROR_P (ret, err))
- return INTERNAL_SYSCALL_ERRNO (ret, err);
- return 0;
-#else
- return ENOSYS;
-#endif
-}
-
-#include <shlib-compat.h>
-
-#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3)
-
-int
-attribute_compat_text_section
-__posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise)
-{
- return __posix_fadvise64_l64 (fd, offset, len, advise);
-}
-
-versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3);
-compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2);
-#else
-strong_alias (__posix_fadvise64_l64, posix_fadvise64);
-#endif
+++ /dev/null
-/* Copyright (C) 2003-2016 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 <sysdep.h>
-
-/* Advice the system about the expected behaviour of the application with
- respect to the file associated with FD. */
-
-int
-posix_fadvise (int fd, off_t offset, off_t len, int advise)
-{
-#ifdef __NR_fadvise64
- INTERNAL_SYSCALL_DECL (err);
- int ret = INTERNAL_SYSCALL (fadvise64, err, 4, fd, offset, len, advise);
- if (INTERNAL_SYSCALL_ERROR_P (ret, err))
- return INTERNAL_SYSCALL_ERRNO (ret, err);
- return 0;
-#else
- return ENOSYS;
-#endif
-}
+++ /dev/null
-/* Copyright (C) 2007-2016 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 <sysdep.h>
-
-/* Advice the system about the expected behaviour of the application with
- respect to the file associated with FD. */
-
-int
-__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
-{
-/* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */
-#ifdef __NR_fadvise64
- INTERNAL_SYSCALL_DECL (err);
- int ret = INTERNAL_SYSCALL (fadvise64, err, 4, fd, offset, len, advise);
- if (INTERNAL_SYSCALL_ERROR_P (ret, err))
- return INTERNAL_SYSCALL_ERRNO (ret, err);
- return 0;
-#else
- return ENOSYS;
-#endif
-}
-
-#include <shlib-compat.h>
-
-#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3)
-
-int
-attribute_compat_text_section
-__posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise)
-{
- return __posix_fadvise64_l64 (fd, offset, len, advise);
-}
-
-versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3);
-compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2);
-#else
-strong_alias (__posix_fadvise64_l64, posix_fadvise64);
-#endif
+++ /dev/null
-/* Copyright (C) 2003-2016 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 posix_fadvise64 __no_posix_fadvise64
-#include <errno.h>
-#include <fcntl.h>
-#include <sysdep.h>
-#undef posix_fadvise64
-
-/* Advice the system about the expected behaviour of the application with
- respect to the file associated with FD. */
-
-int
-posix_fadvise (int fd, off_t offset, off_t len, int advise)
-{
-#ifdef __NR_fadvise64
- INTERNAL_SYSCALL_DECL (err);
- int ret = INTERNAL_SYSCALL (fadvise64, err, 4, fd, offset, len, advise);
- if (INTERNAL_SYSCALL_ERROR_P (ret, err))
- return INTERNAL_SYSCALL_ERRNO (ret, err);
- return 0;
-#else
- return ENOSYS;
-#endif
-}
-
-#include <shlib-compat.h>
-
-#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3)
-strong_alias (posix_fadvise, __posix_fadvise64_l32);
-compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2);
-strong_alias (posix_fadvise, __posix_fadvise64_l64);
-versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3);
-#else
-weak_alias (posix_fadvise, posix_fadvise64);
-#endif
-/* posix_fadvise64 is in posix_fadvise.c */
+/* Copyright (C) 2003-2016 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/>. */
+
+#undef strong_alias
+#define strong_alias(a, b)
+
+#include <sysdeps/unix/sysv/linux/posix_fadvise64.c>
+
+#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3)
+_strong_alias (__posix_fadvise64_l64, __posix_fadvise64_l32);
+compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2);
+versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3);
+#endif
+_strong_alias (__posix_fadvise64_l64, posix_fadvise);
/* Advice the system about the expected behaviour of the application with
respect to the file associated with FD. */
+#ifndef __OFF_T_MATCHES_OFF64_T
+
+/* Both arm and powerpc implements fadvise64_64 with last 'advise' argument
+ just after 'fd' to avoid the requirement of implementing 7-arg syscalls.
+ ARM also defines __NR_fadvise64_64 as __NR_arm_fadvise64_64.
+
+ tile requires __ASSUME_ALIGNED_REGISTER_PAIRS but implements the 32-bit
+ fadvise64_64 without the padding 0 after fd.
+
+ s390 implements fadvice64_64 using a specific struct with arguments
+ packed inside. This is the only implementation handled in arch-specific
+ code. */
+
int
posix_fadvise (int fd, off_t offset, off_t len, int advise)
{
-#if defined(__NR_fadvise64) || defined(__NR_fadvise64_64)
INTERNAL_SYSCALL_DECL (err);
# ifdef __NR_fadvise64
- int ret = INTERNAL_SYSCALL (fadvise64, err, 5, fd,
- __LONG_LONG_PAIR (offset >> 31, offset), len,
- advise);
+ int ret = INTERNAL_SYSCALL_CALL (fadvise64, err, fd,
+ __ALIGNMENT_ARG SYSCALL_LL (offset),
+ len, advise);
# else
- int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd,
- __LONG_LONG_PAIR ((long) (offset >> 31),
- (long) offset),
- __LONG_LONG_PAIR ((long) (len >> 31),
- (long) len),
- advise);
+# ifdef __ASSUME_FADVISE64_64_6ARG
+ int ret = INTERNAL_SYSCALL_CALL (fadvise64_64, err, fd, advise,
+ __ALIGNMENT_ARG SYSCALL_LL (offset),
+ SYSCALL_LL (len));
+# else
+
+# ifdef __ASSUME_FADVISE64_64_NO_ALIGN
+# undef __ALIGNMENT_ARG
+# define __ALIGNMENT_ARG
+# endif
+
+ int ret = INTERNAL_SYSCALL_CALL (fadvise64_64, err, fd,
+ __ALIGNMENT_ARG SYSCALL_LL (offset),
+ SYSCALL_LL (len), advise);
+# endif
# endif
if (INTERNAL_SYSCALL_ERROR_P (ret, err))
return INTERNAL_SYSCALL_ERRNO (ret, err);
return 0;
-#else
- return ENOSYS;
-#endif
}
+#endif /* __OFF_T_MATCHES_OFF64_T */
#include <errno.h>
#include <fcntl.h>
-#include <sysdep.h>
+#include <shlib-compat.h>
int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise);
-int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise);
+
+/* Both arm and powerpc implements fadvise64_64 with last 'advise' argument
+ just after 'fd' to avoid the requirement of implementing 7-arg syscalls.
+ ARM also defines __NR_fadvise64_64 as __NR_arm_fadvise64_64.
+
+ tile requires __ASSUME_ALIGNED_REGISTER_PAIRS but implements the 32-bit
+ fadvise64_64 without the padding 0 after fd.
+
+ s390 implements fadvice64_64 using a specific struct with arguments
+ packed inside. This is the only implementation handled in arch-specific
+ code. */
+
+#ifdef __ASSUME_FADVISE64_64_NO_ALIGN
+# undef __ALIGNMENT_ARG
+# define __ALIGNMENT_ARG
+#endif
+
+#ifndef __NR_fadvise64_64
+# define __NR_fadvise64_64 __NR_fadvise64
+#endif
/* Advice the system about the expected behaviour of the application with
respect to the file associated with FD. */
__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
{
INTERNAL_SYSCALL_DECL (err);
- int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd,
- __LONG_LONG_PAIR ((long) (offset >> 32),
- (long) offset),
- __LONG_LONG_PAIR ((long) (len >> 32),
- (long) len),
- advise);
+#ifdef __ASSUME_FADVISE64_64_6ARG
+ int ret = INTERNAL_SYSCALL_CALL (fadvise64_64, err, fd, advise,
+ SYSCALL_LL64 (offset), SYSCALL_LL64 (len));
+#else
+ int ret = INTERNAL_SYSCALL_CALL (fadvise64_64, err, fd,
+ __ALIGNMENT_ARG SYSCALL_LL64 (offset),
+ SYSCALL_LL64 (len), advise);
+#endif
if (!INTERNAL_SYSCALL_ERROR_P (ret, err))
return 0;
return INTERNAL_SYSCALL_ERRNO (ret, err);
}
-#include <shlib-compat.h>
-
-#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3)
+/* The type of the len argument was changed from size_t to off_t in
+ POSIX.1-2003 TC1. */
+#ifndef __OFF_T_MATCHES_OFF64_T
+# if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3)
+int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise);
int
attribute_compat_text_section
versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3);
compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2);
+# else
+weak_alias (__posix_fadvise64_l64, posix_fadvise64);
+# endif
#else
-strong_alias (__posix_fadvise64_l64, posix_fadvise64);
+weak_alias (__posix_fadvise64_l64, posix_fadvise64);
+strong_alias (__posix_fadvise64_l64, posix_fadvise);
#endif
# define __ASSUME_ALIGNED_REGISTER_PAIRS 1
#endif
+/* powerpc compat fadvise64_64 reorganize the syscall argument. */
+#ifndef __powerpc64__
+# define __ASSUME_FADVISE64_64_6ARG 1
+#endif
+
#include_next <kernel-features.h>
+++ /dev/null
-/* Copyright (C) 2003-2016 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 <sysdep.h>
-
-int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise);
-int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise);
-
-/* Advice the system about the expected behaviour of the application with
- respect to the file associated with FD. */
-
-int
-__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
-{
- INTERNAL_SYSCALL_DECL (err);
- int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, advise,
- __LONG_LONG_PAIR ((long)(offset >> 32), (long)offset),
- __LONG_LONG_PAIR ((long)(len >> 32), (long)len));
- if (!INTERNAL_SYSCALL_ERROR_P (ret, err))
- return 0;
- return INTERNAL_SYSCALL_ERRNO (ret, err);
-}
-
-#include <shlib-compat.h>
-
-#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3)
-
-int
-attribute_compat_text_section
-__posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise)
-{
- return __posix_fadvise64_l64 (fd, offset, len, advise);
-}
-
-versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3);
-compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2);
-#else
-strong_alias (__posix_fadvise64_l64, posix_fadvise64);
-#endif
pairs to start with an even-number register. */
#ifndef _LP64
# define __ASSUME_ALIGNED_REGISTER_PAIRS 1
+# define __ASSUME_FADVISE64_64_NO_ALIGN 1
#endif
+++ /dev/null
-/* Copyright (C) 2003-2016 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 posix_fadvise64 __no_posix_fadvise64
-#include <errno.h>
-#include <fcntl.h>
-#include <sysdep.h>
-#undef posix_fadvise64
-
-/* Advice the system about the expected behaviour of the application with
- respect to the file associated with FD. */
-
-int
-posix_fadvise (int fd, off_t offset, off_t len, int advise)
-{
-#ifdef __NR_fadvise64
- INTERNAL_SYSCALL_DECL (err);
- int ret = INTERNAL_SYSCALL (fadvise64, err, 4, fd, offset, len, advise);
- if (INTERNAL_SYSCALL_ERROR_P (ret, err))
- return INTERNAL_SYSCALL_ERRNO (ret, err);
- return 0;
-#else
- return ENOSYS;
-#endif
-}
-weak_alias (posix_fadvise, posix_fadvise64)
+++ /dev/null
-/* posix_fadvise64 is in posix_fadvise.c */
fallocate - fallocate Ci:iiii fallocate fallocate64
gettimeofday - gettimeofday:__vdso_gettimeofday@LINUX_2.6 i:pP __gettimeofday gettimeofday
personality EXTRA personality Ei:i __personality personality
-posix_fadvise - fadvise64 Vi:iiii posix_fadvise posix_fadvise64
+posix_fadvise64 - fadvise64 Vi:iiii posix_fadvise posix_fadvise64
time - time:__vdso_time@LINUX_2.6 Ei:P time
projects / thirdparty / glibc.git / commitdiff
