[Qemu-devel] [PATCH] Add fadvise64 stubs

[Riku Voipio <riku.voipio@iki.fi>]

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>
---
 linux-user/syscall.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 4cde5e8..8e6e735 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5576,6 +5576,18 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
     case TARGET_NR_mincore:
         goto unimplemented;
 #endif
+#ifdef TARGET_NR_fadvise64_64
+     case TARGET_NR_fadvise64_64:
+        /* This is a hint, so ignoring and returning success is ok.  */
+        ret = get_errno(0);
+        break;
+#endif
+#ifdef TARGET_NR_arm_fadvise64_64
+     case TARGET_NR_arm_fadvise64_64:
+        /* This is a hint, so ignoring and returning success is ok.  */
+        ret = get_errno(0);
+        break;
+#endif
 #ifdef TARGET_NR_madvise
     case TARGET_NR_madvise:
         /* A straight passthrough may not be safe because qemu sometimes
-- 
1.5.6.5


-- 
"rm -rf" only sounds scary if you don't have backups