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authoraurel322008-10-01 23:46:32 +0200
committeraurel322008-10-01 23:46:32 +0200
commit408321b61f290b91aca74dce6ab71b8fea2a5469 (patch)
tree5afe7f46045c7b06b1a51ceb8c7aa02c595883b9 /linux-user/syscall.c
parentqemu: improve scsi dma speed by increasing the dma buffer size (diff)
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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
Diffstat (limited to 'linux-user/syscall.c')
-rw-r--r--linux-user/syscall.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 40c0ed83e8..07992752a2 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5578,6 +5578,27 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
case TARGET_NR_mincore:
goto unimplemented;
#endif
+#ifdef TARGET_NR_arm_fadvise64_64
+ case TARGET_NR_arm_fadvise64_64:
+ {
+ /*
+ * arm_fadvise64_64 looks like fadvise64_64 but
+ * with different argument order
+ */
+ abi_long temp;
+ temp = arg3;
+ arg3 = arg4;
+ arg4 = temp;
+ }
+#endif
+#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
+#ifdef TARGET_NR_fadvise64_64
+ case TARGET_NR_fadvise64_64:
+#endif
+ /* 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