Bernhard Loos : ntoskrnl: Correctly implement PsGetCurrentThread/ProcessId.
Module: wine Branch: master Commit: 507d92905174ccef96a33a806bfc383874ff7dcf URL: http://source.winehq.org/git/wine.git/?a=commit;h=507d92905174ccef96a33a806b... Author: Bernhard Loos <bernhardloos(a)googlemail.com> Date: Thu Oct 27 14:20:19 2011 +0200 ntoskrnl: Correctly implement PsGetCurrentThread/ProcessId. --- dlls/ntoskrnl.exe/ntoskrnl.c | 29 ++++++++++++++++++++++------- include/wine/server_protocol.h | 4 +++- server/device.c | 3 +++ server/protocol.def | 2 ++ server/request.h | 8 +++++--- server/trace.c | 2 ++ 6 files changed, 37 insertions(+), 11 deletions(-) diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c index e5668fd..9c7916e 100644 --- a/dlls/ntoskrnl.exe/ntoskrnl.c +++ b/dlls/ntoskrnl.exe/ntoskrnl.c @@ -68,6 +68,13 @@ struct IrpInstance IRP *irp; }; +/* tid of the thread running client request */ +static DWORD request_thread; + +/* pid/tid of the client thread */ +static DWORD client_tid; +static DWORD client_pid; + #ifdef __i386__ #define DEFINE_FASTCALL1_ENTRYPOINT( name ) \ __ASM_STDCALL_FUNC( name, 4, \ @@ -197,6 +204,8 @@ NTSTATUS CDECL wine_ntoskrnl_main_loop( HANDLE stop_event ) ULONG in_size = 4096, out_size = 0; HANDLE handles[2]; + request_thread = GetCurrentThreadId(); + if (!(in_buff = HeapAlloc( GetProcessHeap(), 0, in_size ))) { ERR( "failed to allocate buffer\n" ); @@ -217,11 +226,13 @@ NTSTATUS CDECL wine_ntoskrnl_main_loop( HANDLE stop_event ) wine_server_set_reply( req, in_buff, in_size ); if (!(status = wine_server_call( req ))) { - code = reply->code; - ioctl = reply->next; - device = wine_server_get_ptr( reply->user_ptr ); - in_size = reply->in_size; - out_size = reply->out_size; + code = reply->code; + ioctl = reply->next; + device = wine_server_get_ptr( reply->user_ptr ); + client_tid = reply->client_pid; + client_pid = reply->client_tid; + in_size = reply->in_size; + out_size = reply->out_size; } else { @@ -1465,7 +1476,9 @@ NTSTATUS WINAPI PsCreateSystemThread(PHANDLE ThreadHandle, ULONG DesiredAccess, */ HANDLE WINAPI PsGetCurrentProcessId(void) { - return UlongToHandle(GetCurrentProcessId()); /* FIXME: not quite right... */ + if (GetCurrentThreadId() == request_thread) + return UlongToHandle(client_pid); + return UlongToHandle(GetCurrentProcessId()); } @@ -1474,7 +1487,9 @@ HANDLE WINAPI PsGetCurrentProcessId(void) */ HANDLE WINAPI PsGetCurrentThreadId(void) { - return UlongToHandle(GetCurrentThreadId()); /* FIXME: not quite right... */ + if (GetCurrentThreadId() == request_thread) + return UlongToHandle(client_tid); + return UlongToHandle(GetCurrentThreadId()); } diff --git a/include/wine/server_protocol.h b/include/wine/server_protocol.h index e0b0ac8..ab239f3 100644 --- a/include/wine/server_protocol.h +++ b/include/wine/server_protocol.h @@ -4613,6 +4613,8 @@ struct get_next_device_request_reply obj_handle_t next; ioctl_code_t code; client_ptr_t user_ptr; + process_id_t client_pid; + thread_id_t client_tid; data_size_t in_size; data_size_t out_size; /* VARARG(next_data,bytes); */ @@ -5637,6 +5639,6 @@ union generic_reply struct set_suspend_context_reply set_suspend_context_reply; }; -#define SERVER_PROTOCOL_VERSION 427 +#define SERVER_PROTOCOL_VERSION 428 #endif /* __WINE_WINE_SERVER_PROTOCOL_H */ diff --git a/server/device.c b/server/device.c index 4d134a3..49f90e3 100644 --- a/server/device.c +++ b/server/device.c @@ -32,6 +32,7 @@ #include "file.h" #include "handle.h" #include "request.h" +#include "process.h" struct ioctl_call { @@ -510,6 +511,8 @@ DECL_HANDLER(get_next_device_request) ioctl = LIST_ENTRY( ptr, struct ioctl_call, mgr_entry ); reply->code = ioctl->code; reply->user_ptr = ioctl->device->user_ptr; + reply->client_pid = get_process_id( ioctl->thread->process ); + reply->client_tid = get_thread_id( ioctl->thread ); reply->in_size = ioctl->in_size; reply->out_size = ioctl->out_size; if (ioctl->in_size > get_reply_max_size()) set_error( STATUS_BUFFER_OVERFLOW ); diff --git a/server/protocol.def b/server/protocol.def index bec2e3c..a59bb6e 100644 --- a/server/protocol.def +++ b/server/protocol.def @@ -3203,6 +3203,8 @@ enum coords_relative obj_handle_t next; /* handle to the next ioctl */ ioctl_code_t code; /* ioctl code */ client_ptr_t user_ptr; /* opaque ptr for the device */ + process_id_t client_pid; /* pid of process calling ioctl */ + thread_id_t client_tid; /* tid of thread calling ioctl */ data_size_t in_size; /* total needed input size */ data_size_t out_size; /* needed output size */ VARARG(next_data,bytes); /* input data of the next ioctl */ diff --git a/server/request.h b/server/request.h index b875e30..ac69461 100644 --- a/server/request.h +++ b/server/request.h @@ -2046,9 +2046,11 @@ C_ASSERT( sizeof(struct get_next_device_request_request) == 24 ); C_ASSERT( FIELD_OFFSET(struct get_next_device_request_reply, next) == 8 ); C_ASSERT( FIELD_OFFSET(struct get_next_device_request_reply, code) == 12 ); C_ASSERT( FIELD_OFFSET(struct get_next_device_request_reply, user_ptr) == 16 ); -C_ASSERT( FIELD_OFFSET(struct get_next_device_request_reply, in_size) == 24 ); -C_ASSERT( FIELD_OFFSET(struct get_next_device_request_reply, out_size) == 28 ); -C_ASSERT( sizeof(struct get_next_device_request_reply) == 32 ); +C_ASSERT( FIELD_OFFSET(struct get_next_device_request_reply, client_pid) == 24 ); +C_ASSERT( FIELD_OFFSET(struct get_next_device_request_reply, client_tid) == 28 ); +C_ASSERT( FIELD_OFFSET(struct get_next_device_request_reply, in_size) == 32 ); +C_ASSERT( FIELD_OFFSET(struct get_next_device_request_reply, out_size) == 36 ); +C_ASSERT( sizeof(struct get_next_device_request_reply) == 40 ); C_ASSERT( sizeof(struct make_process_system_request) == 16 ); C_ASSERT( FIELD_OFFSET(struct make_process_system_reply, event) == 8 ); C_ASSERT( sizeof(struct make_process_system_reply) == 16 ); diff --git a/server/trace.c b/server/trace.c index 188eee4..e463229 100644 --- a/server/trace.c +++ b/server/trace.c @@ -3731,6 +3731,8 @@ static void dump_get_next_device_request_reply( const struct get_next_device_req fprintf( stderr, " next=%04x", req->next ); dump_ioctl_code( ", code=", &req->code ); dump_uint64( ", user_ptr=", &req->user_ptr ); + fprintf( stderr, ", client_pid=%04x", req->client_pid ); + fprintf( stderr, ", client_tid=%04x", req->client_tid ); fprintf( stderr, ", in_size=%u", req->in_size ); fprintf( stderr, ", out_size=%u", req->out_size ); dump_varargs_bytes( ", next_data=", cur_size );
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Alexandre Julliard