nsz Git - musl/blob - src/fcntl/posix_fadvise.c

   1 #include <fcntl.h>
   2 #include "syscall.h"
   3 #include "libc.h"
   4
   5 int posix_fadvise(int fd, off_t base, off_t len, int advice)
   6 {
   7 #if defined(SYSCALL_FADVISE_6_ARG)
   8         /* Some archs, at least arm and powerpc, have the syscall
   9          * arguments reordered to avoid needing 7 argument registers
  10          * due to 64-bit argument alignment. */
  11         return -__syscall(SYS_fadvise, fd, advice,
  12                 __SYSCALL_LL_E(base), __SYSCALL_LL_E(len));
  13 #else
  14         return -__syscall(SYS_fadvise, fd, __SYSCALL_LL_O(base),
  15                 __SYSCALL_LL_E(len), advice);
  16 #endif
  17 }
  18
  19 LFS64(posix_fadvise);