cosmopolitan/libc/nt/synchronization.h
Justine Tunney 3e4fd4b0ad Add epoll and do more release readiness changes
This change also pays off some of the remaining technical debt with
stdio, file descriptors, and memory managemnt polyfills.
2020-11-28 12:01:51 -08:00

108 lines
7.1 KiB
C

#ifndef COSMOPOLITAN_LIBC_NT_SYNCHRONIZATION_H_
#define COSMOPOLITAN_LIBC_NT_SYNCHRONIZATION_H_
#include "libc/nt/struct/criticalsection.h"
#include "libc/nt/struct/filetime.h"
#include "libc/nt/struct/linkedlist.h"
#include "libc/nt/struct/securityattributes.h"
#include "libc/nt/struct/systemtime.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
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╔────────────────────────────────────────────────────────────────▀▀▀─────────│─╗
│ cosmopolitan § new technology » synchronization ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
#define InterlockedAdd(PTR, VAL) \
({ \
typeof(*(PTR)) Res; \
typeof(Res) Val = (VAL); \
asm volatile("xadd\t%0,%1" : "=r"(Res), "+m"(*(PTR)) : "0"(Val)); \
Res + Val; \
})
#define InterlockedExchange(PTR, VAL) \
({ \
typeof(*(PTR)) Res = (VAL); \
asm volatile("xchg\t%0,%1" : "+r"(Res), "+m"(*(PTR))); \
Res; \
})
typedef void (*NtTimerapcroutine)(void *lpArgToCompletionRoutine,
uint32_t dwTimerLowValue,
uint32_t dwTimerHighValue);
void Sleep(uint32_t dwMilliseconds);
uint32_t SleepEx(uint32_t dwMilliseconds, bool32 bAlertable);
void GetSystemTime(struct NtSystemTime *lpSystemTime);
bool32 SystemTimeToFileTime(const struct NtSystemTime *lpSystemTime,
struct NtFileTime *lpFileTime);
void GetSystemTimeAsFileTime(struct NtFileTime *); // win8+
void GetSystemTimePreciseAsFileTime(struct NtFileTime *); // win8+
uint32_t WaitForSingleObject(int64_t hHandle, uint32_t dwMilliseconds);
uint32_t WaitForMultipleObjects(uint32_t nCount, const int64_t *lpHandles,
bool32 bWaitAll, uint32_t dwMilliseconds);
uint32_t WaitForSingleObjectEx(int64_t hHandle, uint32_t dwMilliseconds,
bool32 bAlertable);
uint32_t WaitForMultipleObjectsEx(unsigned int nCount, const int64_t *lpHandles,
bool32 bWaitAll, uint32_t dwMilliseconds,
bool32 bAlertable);
int64_t CreateWaitableTimer(struct NtSecurityAttributes *lpTimerAttributes,
bool32 bManualReset, const char16_t *lpTimerName);
bool32 SetWaitableTimer(int64_t hTimer, const int64_t *lpDueTimeAsFtOrNegRela,
int32_t opt_lPeriodMs, NtTimerapcroutine opt_callback,
void *lpArgToCallback, bool32 fUnsleepSystem);
int32_t SetEvent(int64_t hEvent);
int32_t ResetEvent(int64_t hEvent);
int32_t PulseEvent(int64_t hEvent);
int32_t ReleaseMutex(int64_t hMutex);
int32_t ReleaseSemaphore(int64_t hSemaphore, int32_t lReleaseCount,
int *lpPreviousCount);
void InitializeCriticalSection(struct NtCriticalSection *lpCriticalSection);
void EnterCriticalSection(struct NtCriticalSection *lpCriticalSection);
void LeaveCriticalSection(struct NtCriticalSection *lpCriticalSection);
int32_t TryEnterCriticalSection(struct NtCriticalSection *lpCriticalSection);
void DeleteCriticalSection(struct NtCriticalSection *lpCriticalSection);
int32_t InitializeCriticalSectionAndSpinCount(
struct NtCriticalSection *lpCriticalSection, uint32_t dwSpinCount);
uint32_t SetCriticalSectionSpinCount(
struct NtCriticalSection *lpCriticalSection, uint32_t dwSpinCount);
void InitializeSRWLock(intptr_t *);
void AcquireSRWLockExclusive(intptr_t *);
void AcquireSRWLockShared(intptr_t *);
void ReleaseSRWLockExclusive(intptr_t *);
void ReleaseSRWLockShared(intptr_t *);
void TryAcquireSRWLockExclusive(intptr_t *);
void TryAcquireSRWLockShared(intptr_t *);
uint64_t GetTickCount64(void);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_NT_SYNCHRONIZATION_H_ */