[ros-diffs] [reactos] 01/02: [NTOSKRNL] Implement SystemDpcBehaviourInformation query

[Pierre Schweitzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=962b2fd66a224c76dda53…

commit 962b2fd66a224c76dda53ed3dda509f040c5ab2f
Author:     Pierre Schweitzer <pierre(a)reactos.org>
AuthorDate: Sun Dec 9 20:32:59 2018 +0100
Commit:     Pierre Schweitzer <pierre(a)reactos.org>
CommitDate: Sun Dec 9 20:54:40 2018 +0100

    [NTOSKRNL] Implement SystemDpcBehaviourInformation query
---
 ntoskrnl/ex/sysinfo.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/ntoskrnl/ex/sysinfo.c b/ntoskrnl/ex/sysinfo.c
index 1d8e1c539f..a7883d4944 100644
--- a/ntoskrnl/ex/sysinfo.c
+++ b/ntoskrnl/ex/sysinfo.c
@@ -1539,9 +1539,19 @@ QSI_DEF(SystemInterruptInformation)
 /* Class 24 - DPC Behaviour Information */
 QSI_DEF(SystemDpcBehaviourInformation)
 {
-    /* FIXME */
-    DPRINT1("NtQuerySystemInformation - SystemDpcBehaviourInformation not
implemented\n");
-    return STATUS_NOT_IMPLEMENTED;
+    PSYSTEM_DPC_BEHAVIOR_INFORMATION sdbi = (PSYSTEM_DPC_BEHAVIOR_INFORMATION)Buffer;
+
+    if (Size < sizeof(SYSTEM_DPC_BEHAVIOR_INFORMATION))
+    {
+        return STATUS_INFO_LENGTH_MISMATCH;
+    }
+
+    sdbi->DpcQueueDepth = KiMaximumDpcQueueDepth;
+    sdbi->MinimumDpcRate = KiMinimumDpcRate;
+    sdbi->AdjustDpcThreshold = KiAdjustDpcThreshold;
+    sdbi->IdealDpcRate = KiIdealDpcRate;
+
+    return STATUS_SUCCESS;
 }
 
 SSI_DEF(SystemDpcBehaviourInformation)