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kernel32: Add a helper function to fill object attributes in Create* functions. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2018-03-02 10:41:12 +01:00
parent a7aa192a78
commit 808693102e
1 changed files with 22 additions and 60 deletions
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82
dlls/kernel32/sync.c
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@ -81,6 +81,23 @@ HANDLE get_BaseNamedObjects_handle(void)
return handle;
}
static void get_create_object_attributes( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *nameW,
SECURITY_ATTRIBUTES *sa, const WCHAR *name )
{
attr->Length = sizeof(*attr);
attr->RootDirectory = 0;
attr->ObjectName = NULL;
attr->Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
attr->SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr->SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( nameW, name );
attr->ObjectName = nameW;
attr->RootDirectory = get_BaseNamedObjects_handle();
}
}
static BOOL get_open_object_attributes( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *nameW,
BOOL inherit, const WCHAR *name )
{
@ -490,18 +507,7 @@ HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventExW( SECURITY_ATTRIBUTES *sa, LPCWSTR
return 0;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( &nameW, name );
attr.ObjectName = &nameW;
attr.RootDirectory = get_BaseNamedObjects_handle();
}
get_create_object_attributes( &attr, &nameW, sa, name );
status = NtCreateEvent( &ret, access, &attr,
(flags & CREATE_EVENT_MANUAL_RESET) ? NotificationEvent : SynchronizationEvent,
@ -643,18 +649,7 @@ HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexExW( SECURITY_ATTRIBUTES *sa, LPCWSTR
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( &nameW, name );
attr.ObjectName = &nameW;
attr.RootDirectory = get_BaseNamedObjects_handle();
}
get_create_object_attributes( &attr, &nameW, sa, name );
status = NtCreateMutant( &ret, access, &attr, (flags & CREATE_MUTEX_INITIAL_OWNER) != 0 );
if (status == STATUS_OBJECT_NAME_EXISTS)
@ -777,18 +772,7 @@ HANDLE WINAPI DECLSPEC_HOTPATCH CreateSemaphoreExW( SECURITY_ATTRIBUTES *sa, LON
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( &nameW, name );
attr.ObjectName = &nameW;
attr.RootDirectory = get_BaseNamedObjects_handle();
}
get_create_object_attributes( &attr, &nameW, sa, name );
status = NtCreateSemaphore( &ret, access, &attr, initial, max );
if (status == STATUS_OBJECT_NAME_EXISTS)
@ -866,18 +850,7 @@ HANDLE WINAPI CreateJobObjectW( LPSECURITY_ATTRIBUTES sa, LPCWSTR name )
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( &nameW, name );
attr.ObjectName = &nameW;
attr.RootDirectory = get_BaseNamedObjects_handle();
}
get_create_object_attributes( &attr, &nameW, sa, name );
status = NtCreateJobObject( &ret, JOB_OBJECT_ALL_ACCESS, &attr );
if (status == STATUS_OBJECT_NAME_EXISTS)
@ -1057,18 +1030,7 @@ HANDLE WINAPI CreateWaitableTimerExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name, DWO
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( &nameW, name );
attr.ObjectName = &nameW;
attr.RootDirectory = get_BaseNamedObjects_handle();
}
get_create_object_attributes( &attr, &nameW, sa, name );
status = NtCreateTimer( &handle, access, &attr,
(flags & CREATE_WAITABLE_TIMER_MANUAL_RESET) ? NotificationTimer : SynchronizationTimer );