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atomic.hpp: use native semaphores on Windows

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Windows: drop keyed events
Linux: keep using native futex
Implement unused POSIX semaphore path
Implement fallback semaphore with pure std (OSX, BSD, etc)
This commit is contained in:
Nekotekina
2019-09-22 01:31:23 +03:00
parent 95c939f014
commit 9710473a2e
2 changed files with 495 additions and 113 deletions
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Utilities/sync.h
+1 -6
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@@ -15,7 +15,6 @@
#include <linux/futex.h>
#include <sys/time.h>
#include <unistd.h>
#else
#endif
#include <algorithm>
#include <ctime>
@@ -25,12 +24,8 @@
#include <unordered_map>
#ifdef _WIN32
DYNAMIC_IMPORT("ntdll.dll", NtWaitForKeyedEvent, NTSTATUS(HANDLE Handle, PVOID Key, BOOLEAN Alertable, PLARGE_INTEGER Timeout));
DYNAMIC_IMPORT("ntdll.dll", NtReleaseKeyedEvent, NTSTATUS(HANDLE Handle, PVOID Key, BOOLEAN Alertable, PLARGE_INTEGER Timeout));
DYNAMIC_IMPORT("ntdll.dll", NtWaitForSingleObject, NTSTATUS(HANDLE Handle, BOOLEAN Alertable, PLARGE_INTEGER Timeout));
DYNAMIC_IMPORT("ntdll.dll", NtDelayExecution, NTSTATUS(BOOLEAN Alertable, PLARGE_INTEGER DelayInterval));
inline utils::dynamic_import<BOOL(volatile VOID* Address, PVOID CompareAddress, SIZE_T AddressSize, DWORD dwMilliseconds)> OptWaitOnAddress("kernel32.dll", "WaitOnAddress");
inline utils::dynamic_import<VOID(PVOID Address)> OptWakeByAddressSingle("kernel32.dll", "WakeByAddressSingle");
inline utils::dynamic_import<VOID(PVOID Address)> OptWakeByAddressAll("kernel32.dll", "WakeByAddressAll");
#endif
#ifndef __linux__