implement avrt with regard to #316 (#348)

* implement avrt with regard to #316

* implements maintainer comments

* unsing EXTERN macro + formating

Cargo.toml

@@ -104,6 +104,7 @@ headers = ["headers-shared", "headers-um", "headers-vc", "headers-winrt"]
 "headers-um" = [
     "um-audioclient",
     "um-audiosessiontypes",
+    "um-avrt",
     "um-cfgmgr32",
     "um-cguid",
     "um-combaseapi",
@@ -180,6 +181,7 @@ headers = ["headers-shared", "headers-um", "headers-vc", "headers-winrt"]
 ]
 "um-audioclient" = ["shared-basetsd", "shared-guiddef", "shared-minwindef", "shared-mmreg", "shared-winerror", "shared-wtypesbase", "um-audiosessiontypes", "um-strmif", "um-unknwnbase", "um-winnt"]
 "um-audiosessiontypes" = ["shared-minwindef"]
+"um-avrt" = ["um-winnt", "avrt"]
 "um-cfgmgr32" = ["shared-basetsd", "shared-guiddef", "shared-minwindef", "um-winnt"]
 "um-cguid" = ["shared-guiddef"]
 "um-combaseapi" = ["shared-basetsd", "shared-minwindef", "shared-wtypesbase", "um-objidlbase", "ole32"]
@@ -274,6 +276,7 @@ libraries = [
     "setupapi",
     "wininet",
 ]
+"avrt" = []
 "kernel32" = []
 "ole32" = []
 "ncrypt" = []

build.rs

@@ -6,6 +6,7 @@
 // except according to those terms.
 use std::env::var;
 const LIBS: &'static [&'static str] = &[
+    "avrt",
     "kernel32",
     "ncrypt",
     "ole32",

src/um/avrt.rs

@@ -0,0 +1,97 @@
+// Copyright © 2016 winapi-rs developers
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+
+use shared::minwindef::{BOOL, LPDWORD, PULONG};
+use shared::guiddef::GUID;
+use um::winnt::{HANDLE, PLARGE_INTEGER, LONGLONG, PHANDLE, LPCWSTR, LPCSTR};
+
+ENUM!{enum AVRT_PRIORITY {
+    AVRT_PRIORITY_VERYLOW = -2i32 as u32,
+    AVRT_PRIORITY_LOW = -1i32 as u32,
+    AVRT_PRIORITY_NORMAL = 0u32,
+    AVRT_PRIORITY_HIGH = 1u32,
+    AVRT_PRIORITY_CRITICAL = 2u32,
+}}
+
+pub const THREAD_ORDER_GROUP_INFINITE_TIMEOUT: LONGLONG = -1;
+
+EXTERN!{stdcall fn AvSetMmThreadCharacteristicsA(
+    TaskName: LPCSTR,
+    TaskIndex: LPDWORD
+) -> HANDLE}
+
+EXTERN!{stdcall fn AvSetMmThreadCharacteristicsW(
+    TaskName: LPCSTR,
+    TaskIndex: LPDWORD
+) -> HANDLE}
+
+EXTERN!{stdcall fn AvSetMmMaxThreadCharacteristicsA(
+    FirstTask: LPCSTR,
+    SecondTask: LPCSTR,
+    TaskIndex: LPDWORD
+) -> HANDLE}
+
+EXTERN!{stdcall fn AvSetMmMaxThreadCharacteristicsW(
+    FirstTask: LPCWSTR,
+    SecondTask: LPCWSTR,
+    TaskIndex: LPDWORD
+) -> HANDLE}
+
+EXTERN!{stdcall fn AvRevertMmThreadCharacteristics(
+    avrt_handle: HANDLE
+) -> BOOL}
+
+EXTERN!{stdcall fn AvSetMmThreadPriority(
+    AvrtHandle: HANDLE,
+    Priority: AVRT_PRIORITY
+) -> BOOL}
+
+EXTERN!{stdcall fn AvRtCreateThreadOrderingGroup(
+    Context: PHANDLE,
+    Period: PLARGE_INTEGER,
+    ThreadOrderingGuid: *mut GUID,
+    Timeout: PLARGE_INTEGER
+) -> BOOL}
+
+EXTERN!{stdcall fn AvRtCreateThreadOrderingGroupExA(
+    Context: PHANDLE,
+    Period: PLARGE_INTEGER,
+    ThreadOrderingGuid: *mut GUID,
+    Timeout: PLARGE_INTEGER,
+    TaskName: LPCSTR
+)-> BOOL}
+
+EXTERN!{stdcall fn AvRtCreateThreadOrderingGroupExW(
+    Context: PHANDLE,
+    Period: PLARGE_INTEGER,
+    ThreadOrderingGuid: *mut GUID,
+    Timeout: PLARGE_INTEGER,
+    TaskName: LPCWSTR
+) -> BOOL}
+
+EXTERN!{stdcall fn AvRtJoinThreadOrderingGroup(
+    Context: PHANDLE,
+    ThreadOrderingGuid: *mut GUID,
+    Before: BOOL
+) -> BOOL}
+
+EXTERN!{stdcall fn AvRtWaitOnThreadOrderingGroup(
+    Context: HANDLE
+) -> BOOL}
+
+EXTERN!{stdcall fn AvRtLeaveThreadOrderingGroup(
+    Context: HANDLE
+) -> BOOL}
+
+EXTERN!{stdcall fn AvRtDeleteThreadOrderingGroup(
+    Context: HANDLE
+) -> BOOL}
+
+EXTERN!{stdcall fn AvQuerySystemResponsiveness(
+    AvrtHandle: HANDLE,
+    SystemResponsivenessValue: PULONG
+) -> BOOL}

src/um/mod.rs

@@ -10,6 +10,7 @@ pub mod gl;
 
 #[cfg(feature = "um-audioclient")] pub mod audioclient;
 #[cfg(feature = "um-audiosessiontypes")] pub mod audiosessiontypes;
+#[cfg(feature = "um-avrt")] pub mod avrt;
 #[cfg(feature = "um-cfgmgr32")] pub mod cfgmgr32;
 #[cfg(feature = "um-cguid")] pub mod cguid;
 #[cfg(feature = "um-combaseapi")] pub mod combaseapi;