283 lines
6.0 KiB
C
283 lines
6.0 KiB
C
/* -*- mode:c; tab-width:8; c-basic-offset:8; indent-tabs-mode:nil; -*- */
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/*
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Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef AROS
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#include "aros_compat.h"
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#endif
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#ifdef PS2_EE
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#include "ps2_compat.h"
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#endif
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#ifdef PS3_PPU
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#include "ps3_compat.h"
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#endif
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#ifdef WIN32
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#include <win32/win32_compat.h>
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#endif
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#ifdef HAVE_POLL_H
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#include <poll.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#include "libnfs.h"
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#include "libnfs-raw.h"
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#include "libnfs-private.h"
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#ifdef HAVE_MULTITHREADING
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#ifdef HAVE_PTHREAD
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#include <unistd.h>
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#include <sys/syscall.h>
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nfs_tid_t nfs_mt_get_tid(void)
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{
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#ifdef SYS_gettid
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pid_t tid = syscall(SYS_gettid);
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return tid;
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#else
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#error "SYS_gettid unavailable on this system"
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#endif
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}
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static void *nfs_mt_service_thread(void *arg)
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{
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struct nfs_context *nfs = (struct nfs_context *)arg;
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struct pollfd pfd;
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int revents;
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int ret;
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nfs->nfsi->multithreading_enabled = 1;
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while (nfs->nfsi->multithreading_enabled) {
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pfd.fd = nfs_get_fd(nfs);
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pfd.events = nfs_which_events(nfs);
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pfd.revents = 0;
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ret = poll(&pfd, 1, 0);
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if (ret < 0) {
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nfs_set_error(nfs, "Poll failed");
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revents = -1;
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} else {
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revents = pfd.revents;
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}
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if (nfs_service(nfs, revents) < 0) {
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if (revents != -1)
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nfs_set_error(nfs, "nfs_service failed");
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}
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}
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return NULL;
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}
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int nfs_mt_service_thread_start(struct nfs_context *nfs)
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{
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if (pthread_create(&nfs->nfsi->service_thread, NULL,
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&nfs_mt_service_thread, nfs)) {
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nfs_set_error(nfs, "Failed to start service thread");
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return -1;
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}
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while (nfs->nfsi->multithreading_enabled == 0) {
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struct timespec ts = {0, 1000000};
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nanosleep(&ts, NULL);
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}
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return 0;
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}
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void nfs_mt_service_thread_stop(struct nfs_context *nfs)
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{
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nfs->nfsi->multithreading_enabled = 0;
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pthread_join(nfs->nfsi->service_thread, NULL);
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}
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int nfs_mt_mutex_init(libnfs_mutex_t *mutex)
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{
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pthread_mutex_init(mutex, NULL);
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return 0;
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}
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int nfs_mt_mutex_destroy(libnfs_mutex_t *mutex)
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{
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pthread_mutex_destroy(mutex);
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return 0;
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}
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int nfs_mt_mutex_lock(libnfs_mutex_t *mutex)
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{
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return pthread_mutex_lock(mutex);
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}
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int nfs_mt_mutex_unlock(libnfs_mutex_t *mutex)
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{
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return pthread_mutex_unlock(mutex);
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}
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int nfs_mt_sem_init(libnfs_sem_t *sem, int value)
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{
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return sem_init(sem, 0, value);
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}
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int nfs_mt_sem_destroy(libnfs_sem_t *sem)
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{
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return sem_destroy(sem);
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}
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int nfs_mt_sem_post(libnfs_sem_t *sem)
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{
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return sem_post(sem);
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}
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int nfs_mt_sem_wait(libnfs_sem_t *sem)
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{
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return sem_wait(sem);
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}
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#elif WIN32
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nfs_tid_t nfs_mt_get_tid(void)
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{
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return GetCurrentThreadId();
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}
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static void* nfs_mt_service_thread(void* arg)
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{
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struct nfs_context* nfs = (struct nfs_context*)arg;
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struct pollfd pfd;
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int revents;
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int ret;
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nfs->nfsi->multithreading_enabled = 1;
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while (nfs->nfsi->multithreading_enabled) {
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pfd.fd = nfs_get_fd(nfs);
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pfd.events = nfs_which_events(nfs);
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pfd.revents = 0;
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ret = poll(&pfd, 1, 0);
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if (ret < 0) {
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nfs_set_error(nfs, "Poll failed");
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revents = -1;
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}
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else {
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revents = pfd.revents;
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}
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if (nfs_service(nfs, revents) < 0) {
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if (revents != -1)
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nfs_set_error(nfs, "nfs_service failed");
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}
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}
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return NULL;
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}
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static DWORD WINAPI service_thread_init(LPVOID lpParam)
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{
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HANDLE hStdout;
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struct nfs_context* nfs;
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hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
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if (hStdout == INVALID_HANDLE_VALUE) {
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return 1;
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}
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nfs = (struct nfs_context *)lpParam;
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printf("SERVICE THREAD\n");
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nfs_mt_service_thread(nfs);
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return 0;
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}
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int nfs_mt_service_thread_start(struct nfs_context* nfs)
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{
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nfs->nfsi->service_thread = CreateThread(NULL, 1024*1024, service_thread_init, nfs, 0, NULL);
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if (nfs->nfsi->service_thread == NULL) {
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nfs_set_error(nfs, "Failed to start service thread");
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return -1;
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}
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while (nfs->nfsi->multithreading_enabled == 0) {
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Sleep(100);
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}
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return 0;
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}
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void nfs_mt_service_thread_stop(struct nfs_context* nfs)
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{
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nfs->nfsi->multithreading_enabled = 0;
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while (WaitForSingleObject(nfs->nfsi->service_thread, INFINITE) != WAIT_OBJECT_0);
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}
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int nfs_mt_mutex_init(libnfs_mutex_t* mutex)
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{
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*mutex = CreateMutex(NULL, 0, NULL);
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return 0;
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}
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int nfs_mt_mutex_destroy(libnfs_mutex_t* mutex)
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{
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CloseHandle(*mutex);
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return 0;
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}
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int nfs_mt_mutex_lock(libnfs_mutex_t* mutex)
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{
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while (WaitForSingleObject(*mutex, INFINITE) != WAIT_OBJECT_0);
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return 0;
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}
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int nfs_mt_mutex_unlock(libnfs_mutex_t* mutex)
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{
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ReleaseMutex(*mutex);
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return 0;
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}
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int nfs_mt_sem_init(libnfs_sem_t* sem, int value)
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{
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*sem = CreateSemaphoreA(NULL, 0, 16, NULL);
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return 0;
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}
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int nfs_mt_sem_destroy(libnfs_sem_t* sem)
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{
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CloseHandle(*sem);
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return 0;
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}
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int nfs_mt_sem_post(libnfs_sem_t* sem)
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{
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ReleaseSemaphore(*sem, 1, NULL);
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return 0;
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}
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int nfs_mt_sem_wait(libnfs_sem_t* sem)
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{
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while (WaitForSingleObject(*sem, INFINITE) != WAIT_OBJECT_0);
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return 0;
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}
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#endif
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#endif /* HAVE_MULTITHREADING */
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