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authorKhem Raj <kraj@mvista.com>2007-03-06 19:13:31 +0000
committerKhem Raj <kraj@mvista.com>2007-03-06 19:13:31 +0000
commit237cb9a3926db9334004c62e0474ca0672fbed50 (patch)
tree7fbbbfdda518f98bddfc9663c470e2e2edf421a5 /libc/sysdeps/linux/arm/posix_fadvise.c
parentea489dee069dc3f61ceff4a7d71cd7550fa8c0dd (diff)
I always miss svn add.
Diffstat (limited to 'libc/sysdeps/linux/arm/posix_fadvise.c')
-rw-r--r--libc/sysdeps/linux/arm/posix_fadvise.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arm/posix_fadvise.c b/libc/sysdeps/linux/arm/posix_fadvise.c
new file mode 100644
index 000000000..60999ecdf
--- /dev/null
+++ b/libc/sysdeps/linux/arm/posix_fadvise.c
@@ -0,0 +1,37 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * posix_fadvise() for ARM uClibc
+ * http://www.opengroup.org/onlinepubs/009695399/functions/posix_fadvise.html
+ *
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+#include <sys/syscall.h>
+#include <fcntl.h>
+#if defined __NR_arm_fadvise64_64
+/* This is for the ARM version of fadvise64_64 which swaps the params
+ * * about to avoid having ABI compat issues
+ * */
+#define __NR___syscall_arm_fadvise64_64 __NR_arm_fadvise64_64
+int __libc_posix_fadvise(int fd, off_t offset, off_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 INTERNAL_SYSCALL_ERRNO (ret, err);
+ return 0;
+
+}
+weak_alias(__libc_posix_fadvise, posix_fadvise);
+#else
+int posix_fadvise(int fd attribute_unused, off_t offset attribute_unused, off_t len attribute_unused, int advice attribute_unused)
+{
+ __set_errno(ENOSYS);
+ return -1;
+}
+#endif
+