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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#ifndef ISC_THREAD_H
#define ISC_THREAD_H 1
#include <inttypes.h>
#include <windows.h>
#include <isc/lang.h>
#include <isc/result.h>
extern __declspec(thread) size_t isc_tid_v;
/*
* Inlines to help with wait return checking
*/
/* check handle for NULL and INVALID_HANDLE */
inline BOOL
IsValidHandle(HANDLE hHandle) {
return ((hHandle != NULL) && (hHandle != INVALID_HANDLE_VALUE));
}
/* validate wait return codes... */
inline BOOL
WaitSucceeded(DWORD dwWaitResult, DWORD dwHandleCount) {
return ((dwWaitResult >= WAIT_OBJECT_0) &&
(dwWaitResult < WAIT_OBJECT_0 + dwHandleCount));
}
inline BOOL
WaitAbandoned(DWORD dwWaitResult, DWORD dwHandleCount) {
return ((dwWaitResult >= WAIT_ABANDONED_0) &&
(dwWaitResult < WAIT_ABANDONED_0 + dwHandleCount));
}
inline BOOL
WaitTimeout(DWORD dwWaitResult) {
return (dwWaitResult == WAIT_TIMEOUT);
}
inline BOOL
WaitFailed(DWORD dwWaitResult) {
return (dwWaitResult == WAIT_FAILED);
}
/* compute object indices for waits... */
inline DWORD
WaitSucceededIndex(DWORD dwWaitResult) {
return (dwWaitResult - WAIT_OBJECT_0);
}
inline DWORD
WaitAbandonedIndex(DWORD dwWaitResult) {
return (dwWaitResult - WAIT_ABANDONED_0);
}
typedef HANDLE isc_thread_t;
typedef DWORD isc_threadresult_t;
typedef void *isc_threadarg_t;
typedef isc_threadresult_t(WINAPI *isc_threadfunc_t)(isc_threadarg_t);
#define isc_thread_self (uintptr_t) GetCurrentThreadId
ISC_LANG_BEGINDECLS
void
isc_thread_create(isc_threadfunc_t, isc_threadarg_t, isc_thread_t *);
void
isc_thread_join(isc_thread_t, isc_threadresult_t *);
void
isc_thread_setconcurrency(unsigned int level);
void
isc_thread_setname(isc_thread_t, const char *);
isc_result_t
isc_thread_setaffinity(int cpu);
#define isc_thread_yield() Sleep(0)
#if HAVE___DECLSPEC_THREAD
#define ISC_THREAD_LOCAL static __declspec(thread)
#else /* if HAVE___DECLSPEC_THREAD */
#error "Thread-local storage support is required!"
#endif /* if HAVE___DECLSPEC_THREAD */
ISC_LANG_ENDDECLS
#endif /* ISC_THREAD_H */
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