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@@ -0,0 +1,47 @@
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+/* vi: set sw=4 ts=4: */
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+/*
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+ * posix_fadvise64() for ARM uClibc
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+ * http://www.opengroup.org/onlinepubs/009695399/functions/posix_fadvise.html
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+ *
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+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
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+ *
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+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
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+ */
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+
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+#include <features.h>
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+#include <unistd.h>
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+#include <errno.h>
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+#include <endian.h>
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+#include <stdint.h>
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+#include <sys/types.h>
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+#include <sys/syscall.h>
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+#include <fcntl.h>
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+
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+#ifdef __UCLIBC_HAS_LFS__
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+
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+#if defined __NR_arm_fadvise64_64
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+/* This is for the ARM version of fadvise64_64 which swaps the params
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+ * about to avoid having ABI compat issues
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+ */
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+#define __NR___syscall_arm_fadvise64_64 __NR_arm_fadvise64_64
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+int __libc_posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advise)
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+{
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+ INTERNAL_SYSCALL_DECL (err);
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+ int ret = INTERNAL_SYSCALL (arm_fadvise64_64, err, 6, fd, advise,
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+ __LONG_LONG_PAIR ((long)(offset >> 32), (long)offset),
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+ __LONG_LONG_PAIR ((long)(len >> 32), (long)len));
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+ if (!INTERNAL_SYSCALL_ERROR_P (ret, err))
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+ return 0;
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+ if (INTERNAL_SYSCALL_ERRNO (ret, err) != ENOSYS)
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+ return INTERNAL_SYSCALL_ERRNO (ret, err);
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+ return 0;
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+}
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+weak_alias(__libc_posix_fadvise64, posix_fadvise64);
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+#else
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+int posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advise)
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+{
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+ __set_errno(ENOSYS);
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+ return -1;
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+}
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+#endif
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+#endif
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