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authorUlrich Drepper <drepper@redhat.com>2003-08-17 00:37:19 +0000
committerUlrich Drepper <drepper@redhat.com>2003-08-17 00:37:19 +0000
commit137ffcdc6effa6b3a750b1d0c228dae61b96adbc (patch)
treefcccdc24bd598da4d8c6dcf8ceb34abf4d7b6da0 /sysdeps/unix/sysv/linux/posix_fadvise64.c
parent36a8cf1e48eda7d925454c3882dfc34ff0b887f3 (diff)
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Update.
2003-08-16  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/powerpc/powerpc32/sysdep.h (PSEUDO_ERRVAL,
	PSEUDO_RET_ERRVAL, ret_ERRVAL, PSEUDO_END_ERRVAL): Define.
	* sysdeps/powerpc/powerpc64/sysdep.h (PSEUDO_ERRVAL,
	PSEUDO_RET_ERRVAL, ret_ERRVAL, PSEUDO_END_ERRVAL): Define.
	* sysdeps/unix/alpha/sysdep.h (PSEUDO_ERRVAL,
	ret_ERRVAL, PSEUDO_END_ERRVAL): Define.
	* sysdeps/unix/mips/sysdep.h (PSEUDO_ERRVAL,
	ret_ERRVAL, PSEUDO_END_ERRVAL): Define.
	* sysdeps/unix/sparc/sysdep.h (PSEUDO_ERRVAL,
	ret_ERRVAL): Define.
	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (PSEUDO_ERRVAL,
	PSEUDO_END_ERRVAL, ret_ERRVAL): Define.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (PSEUDO_ERRVAL,
	PSEUDO_END_ERRVAL, ret_ERRVAL): Define.
	* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h (PSEUDO_ERRVAL):
	Define.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h (PSEUDO_ERRVAL,
	PSEUDO_END_ERRVAL, ret_ERRVAL): Define.
	* sysdeps/unix/sysdep.h (PSEUDO_END_ERRVAL): Define.

	* sysdeps/unix/sysv/linux/syscalls.list (posix_fadvise64,
	posix_fadvise64_64): Remove.
	* sysdeps/unix/sysv/linux/alpha/syscalls.list (posix_fadvise64): Add
	V flag.
	* sysdeps/unix/sysv/linux/ia64/syscalls.list (posix_fadvise64):
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list
	(posix_fadvise64): Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list
	(posix_fadvise64): Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
	(posix_fadvise64): Likewise.
	* sysdeps/unix/sysv/linux/x86_64/syscalls.list (posix_fadvise64):
	Likewise.
	* sysdeps/unix/sysv/linux/i386/posix_fadvise64_64.S: Moved to...
	* sysdeps/unix/sysv/linux/i386/posix_fadvise64.S: ...here.
	(__posix_fadvise64_l64): Fix a typo in fadvise64 syscall invocation.
	(__posix_fadvise64_l32): New function.
	* sysdeps/unix/sysv/linux/i386/Makefile: Revert last change.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions (libc): Export
	posix_fadvise64@@GLIBC_2.3.3.
	* sysdeps/unix/sysv/linux/s390/s390-32/Versions (libc): Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/Versions (libc): Likewise.
	* sysdeps/unix/sysv/linux/posix_fadvise.c (posix_fadvise): Return
	error value.
	* sysdeps/unix/sysv/linux/posix_fadvise64.c: New file.

	* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
	(SYSCALL_ERROR_HANDLER): Use TLS errno/__libc_errno if USE___THREAD.

2003-08-15  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/sparc/sparc32/dl-machine.h (WEAKADDR): Remove.
	(elf_machine_matches_host): Remove weak extern stuff.
	Use GL(dl_hwcap) unconditionally and GL(dl_hwcap_mask) if SHARED.
	(elf_machine_runtime_setup, sparc_fixup_plt): Remove weak extern
	stuff.  Use GL(dl_hwcap) unconditionally.
Diffstat (limited to 'sysdeps/unix/sysv/linux/posix_fadvise64.c')
-rw-r--r--sysdeps/unix/sysv/linux/posix_fadvise64.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/posix_fadvise64.c b/sysdeps/unix/sysv/linux/posix_fadvise64.c
new file mode 100644
index 0000000000..89dfd8cdc3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/posix_fadvise64.c
@@ -0,0 +1,78 @@
+/* Copyright (C) 2003 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sysdep.h>
+#include <kernel-features.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)
+{
+#ifdef __NR_fadvise64_64
+  INTERNAL_SYSCALL_DECL (err);
+  int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd,
+			      __LONG_LONG_PAIR (offset >> 32, offset),
+			      __LONG_LONG_PAIR (len >> 32, len),
+			      advise);
+  if (!INTERNAL_SYSCALL_ERROR_P (ret, err))
+    return 0;
+# ifndef __ASSUME_FADVISE64_64_SYSCALL
+  if (INTERNAL_SYSCALL_ERRNO (ret, err) != ENOSYS)
+# endif
+   return INTERNAL_SYSCALL_ERRNO (ret, err);
+#endif
+#ifndef __ASSUME_FADVISE64_64_SYSCALL
+# ifdef __NR_fadvise64
+  if (len != (off_t) len)
+    return EOVERFLOW;
+
+  INTERNAL_SYSCALL_DECL (err2);
+  int ret2 = INTERNAL_SYSCALL (fadvise64, err2, 5, fd,
+			       __LONG_LONG_PAIR (offset >> 32, offset),
+			       (off_t) len, advise);
+  if (!INTERNAL_SYSCALL_ERROR_P (ret2, err2))
+    return 0;
+  return INTERNAL_SYSCALL_ERRNO (ret2, err2);
+# else
+  return ENOSYS;
+# endif
+#endif
+}
+
+#include <shlib-compat.h>
+
+#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)
+{
+  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