[PATCH] add posix_fadvise() for arm
Khem Raj
raj.khem at gmail.com
Tue Sep 24 00:58:11 UTC 2013
arm call to posix_fadvise simply calls posix_fadvise64
Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
libc/sysdeps/linux/common/posix_fadvise.c | 24 ++++++++++++++++--------
1 file changed, 16 insertions(+), 8 deletions(-)
Upstream-Status: Pending
diff --git a/libc/sysdeps/linux/common/posix_fadvise.c b/libc/sysdeps/linux/common/posix_fadvise.c
index d3e1bd4..e102ce7 100644
--- a/libc/sysdeps/linux/common/posix_fadvise.c
+++ b/libc/sysdeps/linux/common/posix_fadvise.c
@@ -10,30 +10,38 @@
#include <sys/syscall.h>
-#ifdef __NR_fadvise64
+#if defined(__NR_fadvise64) || defined(__NR_arm_fadvise64_64)
# include <fcntl.h>
# include <endian.h>
# include <bits/wordsize.h>
+# ifdef __NR_arm_fadvise64_64
+int posix_fadvise64(int fd, off64_t offset, off64_t len, int advice);
+# endif
+
int posix_fadvise(int fd, off_t offset, off_t len, int advice)
{
+# ifdef __NR_arm_fadvise64_64
+ return posix_fadvise64(fd, offset, len, advice);
+# else
int ret;
INTERNAL_SYSCALL_DECL(err);
-# if __WORDSIZE == 64
+# if __WORDSIZE == 64
ret = INTERNAL_SYSCALL(fadvise64, err, 4, fd, offset, len, advice);
-# else
-# if defined(__UCLIBC_SYSCALL_ALIGN_64BIT__)
- ret = INTERNAL_SYSCALL(fadvise64, err, 6, fd, /*unused*/0,
# else
+# if defined(__UCLIBC_SYSCALL_ALIGN_64BIT__)
+ ret = INTERNAL_SYSCALL(fadvise64, err, 6, fd, /*unused*/0,
+# else
ret = INTERNAL_SYSCALL(fadvise64, err, 5, fd,
-# endif
+# endif
OFF_HI_LO (offset), len, advice);
-# endif
+# endif
if (INTERNAL_SYSCALL_ERROR_P (ret, err))
return INTERNAL_SYSCALL_ERRNO (ret, err);
return 0;
+# endif
}
-# if defined __UCLIBC_HAS_LFS__ && (!defined __NR_fadvise64_64 || __WORDSIZE == 64)
+# if defined __UCLIBC_HAS_LFS__ && ((!defined __NR_fadvise64_64 && !defined __NR_arm_fadvise64_64) || __WORDSIZE == 64)
strong_alias(posix_fadvise,posix_fadvise64)
# endif
#endif
--
1.7.9.5
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