Commit 408321b61f290b91aca74dce6ab71b8fea2a5469

Authored by aurel32
1 parent f0f72ffe

Add fadvise64 stubs

Since these are only hints, we happily fake them for now
to make applications not barf on ENOSYS.

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5386 c046a42c-6fe2-441c-8c8c-71466251a162
Showing 1 changed file with 21 additions and 0 deletions
linux-user/syscall.c
... ... @@ -5578,6 +5578,27 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
5578 5578 case TARGET_NR_mincore:
5579 5579 goto unimplemented;
5580 5580 #endif
  5581 +#ifdef TARGET_NR_arm_fadvise64_64
  5582 + case TARGET_NR_arm_fadvise64_64:
  5583 + {
  5584 + /*
  5585 + * arm_fadvise64_64 looks like fadvise64_64 but
  5586 + * with different argument order
  5587 + */
  5588 + abi_long temp;
  5589 + temp = arg3;
  5590 + arg3 = arg4;
  5591 + arg4 = temp;
  5592 + }
  5593 +#endif
  5594 +#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
  5595 +#ifdef TARGET_NR_fadvise64_64
  5596 + case TARGET_NR_fadvise64_64:
  5597 +#endif
  5598 + /* This is a hint, so ignoring and returning success is ok. */
  5599 + ret = get_errno(0);
  5600 + break;
  5601 +#endif
5581 5602 #ifdef TARGET_NR_madvise
5582 5603 case TARGET_NR_madvise:
5583 5604 /* A straight passthrough may not be safe because qemu sometimes
... ...