1 files changed, 58 insertions, 0 deletions
diff --git a/src/libstd/sys/windows/sync.rs b/src/libstd/sys/windows/sync.rs
new file mode 100644
index 00000000000..cbca47912b5
--- /dev/null
+++ b/src/libstd/sys/windows/sync.rs
@@ -0,0 +1,58 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// 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. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use libc::{BOOL, DWORD, c_void, LPVOID};
+use libc::types::os::arch::extra::BOOLEAN;
+
+pub type LPCRITICAL_SECTION = *mut c_void;
+pub type LPCONDITION_VARIABLE = *mut CONDITION_VARIABLE;
+pub type LPSRWLOCK = *mut SRWLOCK;
+
+#[cfg(target_arch = "x86")]
+pub const CRITICAL_SECTION_SIZE: uint = 24;
+#[cfg(target_arch = "x86_64")]
+pub const CRITICAL_SECTION_SIZE: uint = 40;
+
+#[repr(C)]
+pub struct CONDITION_VARIABLE { pub ptr: LPVOID }
+#[repr(C)]
+pub struct SRWLOCK { pub ptr: LPVOID }
+
+pub const CONDITION_VARIABLE_INIT: CONDITION_VARIABLE = CONDITION_VARIABLE {
+    ptr: 0 as *mut _,
+};
+pub const SRWLOCK_INIT: SRWLOCK = SRWLOCK { ptr: 0 as *mut _ };
+
+extern "system" {
+    // critical sections
+    pub fn InitializeCriticalSectionAndSpinCount(
+                    lpCriticalSection: LPCRITICAL_SECTION,
+                    dwSpinCount: DWORD) -> BOOL;
+    pub fn DeleteCriticalSection(lpCriticalSection: LPCRITICAL_SECTION);
+    pub fn EnterCriticalSection(lpCriticalSection: LPCRITICAL_SECTION);
+    pub fn LeaveCriticalSection(lpCriticalSection: LPCRITICAL_SECTION);
+    pub fn TryEnterCriticalSection(lpCriticalSection: LPCRITICAL_SECTION) -> BOOL;
+
+    // condition variables
+    pub fn SleepConditionVariableCS(ConditionVariable: LPCONDITION_VARIABLE,
+                                    CriticalSection: LPCRITICAL_SECTION,
+                                    dwMilliseconds: DWORD) -> BOOL;
+    pub fn WakeConditionVariable(ConditionVariable: LPCONDITION_VARIABLE);
+    pub fn WakeAllConditionVariable(ConditionVariable: LPCONDITION_VARIABLE);
+
+    // slim rwlocks
+    pub fn AcquireSRWLockExclusive(SRWLock: LPSRWLOCK);
+    pub fn AcquireSRWLockShared(SRWLock: LPSRWLOCK);
+    pub fn ReleaseSRWLockExclusive(SRWLock: LPSRWLOCK);
+    pub fn ReleaseSRWLockShared(SRWLock: LPSRWLOCK);
+    pub fn TryAcquireSRWLockExclusive(SRWLock: LPSRWLOCK) -> BOOLEAN;
+    pub fn TryAcquireSRWLockShared(SRWLock: LPSRWLOCK) -> BOOLEAN;
+}
+