1 #include <fcntl.h>
2 #include "syscall.h"
3 #include <unsupported_api.h>
4
posix_fadvise(int fd,off_t base,off_t len,int advice)5 int posix_fadvise(int fd, off_t base, off_t len, int advice)
6 {
7 UNSUPPORTED_API_VOID(LITEOS_A);
8 #if defined(SYSCALL_FADVISE_6_ARG)
9 /* Some archs, at least arm and powerpc, have the syscall
10 * arguments reordered to avoid needing 7 argument registers
11 * due to 64-bit argument alignment. */
12 return -__syscall(SYS_fadvise, fd, advice,
13 __SYSCALL_LL_E(base), __SYSCALL_LL_E(len));
14 #else
15 return -__syscall(SYS_fadvise, fd, __SYSCALL_LL_O(base),
16 __SYSCALL_LL_E(len), advice);
17 #endif
18 }
19
20 weak_alias(posix_fadvise, posix_fadvise64);
21