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[Qemu-devel] [5386] Add fadvise64 stubs
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [5386] Add fadvise64 stubs |
Date: |
Wed, 01 Oct 2008 21:46:33 +0000 |
Revision: 5386
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5386
Author: aurel32
Date: 2008-10-01 21:46:32 +0000 (Wed, 01 Oct 2008)
Log Message:
-----------
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 <address@hidden>
Signed-off-by: Kirill A. Shutemov <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
Modified Paths:
--------------
trunk/linux-user/syscall.c
Modified: trunk/linux-user/syscall.c
===================================================================
--- trunk/linux-user/syscall.c 2008-10-01 21:46:23 UTC (rev 5385)
+++ trunk/linux-user/syscall.c 2008-10-01 21:46:32 UTC (rev 5386)
@@ -5578,6 +5578,27 @@
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
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