这段代码可以使用,大家看看有什么不足的地方吗?
.h文件
#ifndef __BSON_INFOSERVER_LOCKER_H__
#define __BSON_INFOSERVER_LOCKER_H__
#ifdef WIN32
#include <Windows.h>
#else
#include <pthread.h>
#endif
typedef class SimLock
{
private:
#ifdef WIN32
CRITICAL_SECTION win_critical_section;
#else
pthread_mutex_t linux_mutex;
#endif
public:
SimLock();
SimLock(const SimLock &other);
void lock();
void unlock();
virtual ~SimLock();
}LockType;
#endif //__BSON_INFOSERVER_LOCKER_H__
.cpp文件
#include "bson_infoserver_locker.h"
SimLock::SimLock()
{
#ifdef WIN32
InitializeCriticalSection(&win_critical_section);
#else
pthread_mutex_init(&linux_mutex, NULL);
#endif
}
SimLock::SimLock(const SimLock&other)
{
#ifdef WIN32
this->win_critical_section = other.win_critical_section;
InitializeCriticalSection(&(this->win_critical_section));
#else
this->linux_mutex = other.linux_mutex;
pthread_mutex_init(&(this->linux_mutex), NULL);
#endif
}
void SimLock::lock()
{
#ifdef WIN32
EnterCriticalSection(&win_critical_section);
#else
pthread_mutex_lock(&linux_mutex);
#endif
}
void SimLock::unlock()
{
#ifdef WIN32
LeaveCriticalSection(&win_critical_section);
#else
pthread_mutex_unlock(&linux_mutex);
#endif
}
SimLock::~SimLock()
{
#ifdef WIN32
DeleteCriticalSection(&win_critical_section);
#else
pthread_mutex_destroy(&linux_mutex);
#endif
}
------解决方案--------------------
仅供参考
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef WIN32
#include <windows.h>
#include <io.h>
#else
#include <unistd.h>
#include <sys/time.h>
#include <pthread.h>
#define CRITICAL_SECTION pthread_mutex_t
#define _vsnprintf vsnprintf
#endif
//Log{
#define MAXLOGSIZE 20000000
#define ARRSIZE(x) (sizeof(x)/sizeof(x[0]))
#include <time.h>
#include <sys/timeb.h>
#include <stdarg.h>
char logfilename1[]="MyLog1.log";
char logfilename2[]="MyLog2.log";
char logstr[16000];
char datestr[16];
char timestr[16];
char mss[4];
CRITICAL_SECTION cs_log;
FILE *flog;
#ifdef WIN32
void Lock(CRITICAL_SECTION *l) {
EnterCriticalSection(l);
}
void Unlock(CRITICAL_SECTION *l) {
LeaveCriticalSection(l);
}
#else
void Lock(CRITICAL_SECTION *l) {
pthread_mutex_lock(l);
}
void Unlock(CRITICAL_SECTION *l) {
pthread_mutex_unlock(l);
}
#endif
void LogV(const char *pszFmt,va_list argp) {
struct tm *now;
struct timeb tb;
if (NULL==pszFmt
------解决方案--------------------
0==pszFmt[0]) return;
if (-1==_vsnprintf(logstr,ARRSIZE(logstr),pszFmt,argp)) logstr[ARRSIZE(logstr)-1]=0;
ftime(&tb);
now=localtime(&tb.time);
sprintf(datestr,"%04d-%02d-%02d",now->tm_year+1900,now->tm_mon+1,now->tm_mday);
sprintf(timestr,"%02d:%02d:%02d",now->tm_hour ,now->tm_min ,now->tm_sec );
sprintf(mss,"%03d",tb.millitm);
printf("%s %s.%s %s",datestr,timestr,mss,logstr);
flog=fopen(logfilename1,"a");
if (NULL!=flog) {
fprintf(flog,"%s %s.%s %s",datestr,timestr,mss,logstr);
if (ftell(flog)>MAXLOGSIZE) {
fclose(flog);
if (rename(logfilename1,logfilename2)) {
remove(logfilename2);
rename(logfilename1,logfilename2);
}
flog=fopen(logfilename1,"a");
if (NULL==flog) return;
}
fclose(flog);