posix_fadvise.c 603 字节
Newer Older
1
#include <fcntl.h>
W
w00349915 已提交
2 3
#include <unsupported_api.h>

4 5 6 7
#include "syscall.h"

int posix_fadvise(int fd, off_t base, off_t len, int advice)
{
W
w00349915 已提交
8
	unsupported_api(__FUNCTION__);
9 10 11 12 13 14 15
#if defined(SYSCALL_FADVISE_6_ARG)
	/* Some archs, at least arm and powerpc, have the syscall
	 * arguments reordered to avoid needing 7 argument registers
	 * due to 64-bit argument alignment. */
	return -__syscall(SYS_fadvise, fd, advice,
		__SYSCALL_LL_E(base), __SYSCALL_LL_E(len));
#else
16
	return -__syscall(SYS_fadvise, fd, __SYSCALL_LL_O(base),
17
		__SYSCALL_LL_E(len), advice);
18
#endif
19
}
20

21
weak_alias(posix_fadvise, posix_fadvise64);