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-rw-r--r--winsup/cygwin/ntdll.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/winsup/cygwin/ntdll.h b/winsup/cygwin/ntdll.h
index 54c56f027..cd8e1f106 100644
--- a/winsup/cygwin/ntdll.h
+++ b/winsup/cygwin/ntdll.h
@@ -599,9 +599,18 @@ typedef struct _TEB
/* A lot more follows... */
} TEB, *PTEB;
+typedef struct _KSYSTEM_TIME
+{
+ ULONG LowPart;
+ LONG High1Time;
+ LONG High2Time;
+} KSYSTEM_TIME, *PKSYSTEM_TIME;
+
typedef struct _KUSER_SHARED_DATA
{
- BYTE Reserved1[0x2dc];
+ BYTE Reserved1[0x08];
+ KSYSTEM_TIME InterruptTime;
+ BYTE Reserved2[0x2c8];
ULONG DismountCount;
/* A lot more follows... */
} KUSER_SHARED_DATA, *PKUSER_SHARED_DATA;
@@ -889,6 +898,11 @@ typedef enum _EVENT_INFORMATION_CLASS
#define NtCurrentProcess() ((HANDLE) 0xffffffff)
#define NtCurrentThread() ((HANDLE) 0xfffffffe)
+/* This is the mapping of the KUSER_SHARED_DATA structure into the 32 bit
+ user address space. We need it here to access the current DismountCount. */
+static KUSER_SHARED_DATA &SharedUserData
+ = *(volatile PKUSER_SHARED_DATA) 0x7ffe0000;
+
extern "C"
{
NTSTATUS NTAPI NtAdjustPrivilegesToken (HANDLE, BOOLEAN, PTOKEN_PRIVILEGES,
@@ -970,6 +984,7 @@ extern "C"
NTSTATUS NTAPI NtQuerySecurityObject (HANDLE, SECURITY_INFORMATION,
PSECURITY_DESCRIPTOR, ULONG, PULONG);
NTSTATUS NTAPI NtQuerySymbolicLinkObject (HANDLE, PUNICODE_STRING, PULONG);
+ NTSTATUS NTAPI NtQueryTimerResolution (PULONG, PULONG, PULONG);
NTSTATUS NTAPI NtQueryVirtualMemory (HANDLE, PVOID, MEMORY_INFORMATION_CLASS,
PVOID, ULONG, PULONG);
NTSTATUS NTAPI NtQueryVolumeInformationFile (HANDLE, IO_STATUS_BLOCK *,
@@ -984,6 +999,7 @@ extern "C"
FILE_INFORMATION_CLASS);
NTSTATUS NTAPI NtSetSecurityObject (HANDLE, SECURITY_INFORMATION,
PSECURITY_DESCRIPTOR);
+ NTSTATUS NTAPI NtSetTimerResolution (ULONG, BOOLEAN, PULONG);
NTSTATUS NTAPI NtUnlockVirtualMemory (HANDLE, PVOID *, ULONG *, ULONG);
NTSTATUS NTAPI NtUnmapViewOfSection (HANDLE, PVOID);
NTSTATUS NTAPI NtWriteFile (HANDLE, HANDLE, PIO_APC_ROUTINE, PVOID,