1#include <fcntl.h> 2#include "syscall.h" 3#include <unsupported_api.h> 4 5int 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 20weak_alias(posix_fadvise, posix_fadvise64); 21