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// 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;
}
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