C++ 获取无效参数错误(22)
我正在x86-64机器上为Linux编写代码。它在x86-64上工作得很好,但我将相同的代码移植到基于ARM的设备上,现在我遇到了错误:计时器代码的参数无效。以下是我的计时器代码:C++ 获取无效参数错误(22),c++,linux,arm,C++,Linux,Arm,我正在x86-64机器上为Linux编写代码。它在x86-64上工作得很好,但我将相同的代码移植到基于ARM的设备上,现在我遇到了错误:计时器代码的参数无效。以下是我的计时器代码: /** * FUNCTION NAME : startRetryCount * @brief start the retry count * @param isAuth: if true start retry for Auth message else for Normal message * @return tr
/**
* FUNCTION NAME : startRetryCount
* @brief start the retry count
* @param isAuth: if true start retry for Auth message else for Normal message
* @return true if success and false if not
*/
bool startRetryCount(bool isAuth)
{
m_RetryAuth = isAuth;
stopRetryCount();
struct sigevent sigev;
struct itimerspec itval;
struct itimerspec oitval;
struct sigaction sigact;
if(sigemptyset(&sigact.sa_mask) == -1)
{
printLog(LOG_ERROR,"[%s:%d#%s] <<<< sigemptyset >>>> : %s\n",
__FILE__,__LINE__,__func__,strerror(errno));
}
sigact.sa_flags = SA_SIGINFO;
sigact.sa_sigaction = signalHandler;
m_RetryCount = ConfigureManager_SingleTon::getInstance()->getRetryCount();
printLog(LOG_INFO,"**Retry Count Started**\n");
printLog(LOG_INFO,"Number of Retry Count:%d\n",m_RetryCount);
printLog(LOG_INFO,"Retry time is:%d\n",
ConfigureManager_SingleTon::getInstance()->getRetryTime());
// set up sigaction to catch signal
if (sigaction(SIGTIMER, &sigact, NULL) == -1)
{
printLog(LOG_ERROR,"[%s:%d#%s] <<<< time_settime >>>> : %s\n",
__FILE__,__LINE__,__func__,strerror(errno));
return false;
}
//Create the POSIX timer to generate signo
sigev.sigev_notify = SIGEV_SIGNAL;
sigev.sigev_signo = SIGRTMAX;
sigev.sigev_value.sival_int = RETRY_ID;
if (timer_create(CLOCK_REALTIME, &sigev, &m_RetryTimerId) == 0)
{
itval.it_value.tv_sec = ConfigureManager_SingleTon::getInstance()->getRetryTime();
itval.it_value.tv_nsec = 0L;
itval.it_interval.tv_sec = itval.it_value.tv_sec;
itval.it_interval.tv_nsec = itval.it_value.tv_nsec;
if (timer_settime(m_RetryTimerId, 0, &itval, &oitval) != 0)
{
Utility_SingleTon::printLog(LOG_ERROR,"[%s:%d#%s] <<<< time_settime >>>> %s\n",
__FILE__, __LINE__,__func__,strerror( errno ));
return false;
}
}
else
{
printLog(LOG_ERROR,"[%s:%d#%s] <<<< timer_create >>>> %s",
__FILE__, __LINE__,__func__,strerror( errno ));
return false;
}
return true;
}
/**
* FUNCTION NAME : stopRetryCount
* @brief stop the retry count
*/
voidstopRetryCount()
{
if(m_RetryTimerId != NULL)
{
if(timer_delete(m_RetryTimerId) != 0)
{
printLog(LOG_ERROR,"[%s:%d#%s] Timer delete error [%d]=%s\n",__FILE__, __LINE__,__func__,errno,strerror(errno));
}
m_RetryCount = 0;
m_RetryTimerId = NULL;
printLog(LOG_INFO,"Retry Timer Stopped!\n");
}
}
我已经尝试了很多,以找到什么是困扰基于ARM的设备,但不幸的是,我无法解决的问题。任何帮助都将不胜感激
编辑:
为了模拟我的情况,我创建了示例程序,现在我知道在mistral SAM-9处理器上,计时器和线程组合不工作,如果我在主线程中启动计时器,并且如果我试图通过子线程停止计时器,那么它就会给出错误。以下是sample.cpp文件源:
#include "devicetimer.h"
int DeviceTimer::counter = 0;
timer_t DeviceTimer::testTimer1Id = 0;
void DeviceTimer::timer1Stop()
{
if(testTimer1Id != 0)
{
if(timer_delete(testTimer1Id) == -1)
{
printf("Timer Delete Error\nError Number = %d\nError Message = %s\n",errno,strerror(errno));
exit(1);
}
else
{
printf("Timer Delete Successfully\n");
}
}
}
void DeviceTimer::signalHandler(int signo, siginfo_t* info, void* context)
{
if (signo == SIGTIMER)
{
printf("counter %d\n\n",++counter);
}
}
int DeviceTimer::timer1start()
{
struct sigevent sigev; //signal event struct
struct itimerspec itval;
struct itimerspec oitval;
struct sigaction sigact;
sigemptyset(&sigact.sa_mask);
sigact.sa_flags = SA_SIGINFO;
sigact.sa_sigaction = signalHandler;
// set up sigaction to catch signal
if (sigaction(SIGTIMER, &sigact, NULL) == -1)
{
printf("time_settime error \n");
return -1;
}
//Create the POSIX timer to generate signo
sigev.sigev_notify = SIGEV_SIGNAL;
sigev.sigev_signo = SIGTIMER;
sigev.sigev_value.sival_int = 2;
if (timer_create(CLOCK_REALTIME, &sigev, &testTimer1Id) == 0)
{
itval.it_value.tv_sec = 1;
itval.it_value.tv_nsec = 0L;
itval.it_interval.tv_sec = itval.it_value.tv_sec;
itval.it_interval.tv_nsec = itval.it_value.tv_nsec;
if (timer_settime(testTimer1Id, 0, &itval, &oitval) != 0)
{
printf("Error in set time \n");
return -2;
}
}
else
{
printf("Error in creating timer \n");
return -3;
}
return 0;
}
void* DeviceTimer::threadFunction(void* data)
{
DeviceTimer *deviceTimer = (DeviceTimer *) data;
while(1)
{
printf(".\n");
usleep(100000);
if(counter > 25)
{
deviceTimer->timer1Stop();
break;
}
}
return NULL;
}
void DeviceTimer::startThread()
{
if(pthread_create(&m_Thread, NULL, DeviceTimer::threadFunction, this) != 0)
{
printf("Error in creating Thread\n");
exit(1);
}
}
int main()
{
DeviceTimer deviceTimer;
deviceTimer.timer1start();
deviceTimer.startThread();
while(1)
{
}
return 0;
}
以下是输出:
counter 26
Timer Delete Error
Error Number = 22
Error Message = Invalid argument
如果有人遇到同样的问题,请帮助我解决这个问题
谢谢&BR,
Yuvi确保您的计时器ID类型正确(
timer\u t
)。如果您无意中使用了不同的类型,则可能会发生类似的错误,因为timer\u delete()
无法识别该ID。请确保您的计时器ID是正确的类型(timer\u t
)。如果您不小心使用了不同的类型,可能会发生类似这样的错误,因为timer\u delete()
无法识别ID。由于有许多地方可能会出现错误,您能告诉哪些系统调用会产生错误吗?哦。。我忘了添加它,我在delete_timer()和close()中遇到错误。您没有检查timer_delete
的返回值,因此您不知道它是否出错。请记住,如果函数成功,则不必重置errno
,因此只有在函数失败时才能信任errno
。您必须检查每个系统调用的返回,否则您不知道是否有错误。您不能在呼叫后打印出errno
,而不知道有错误,因为该呼叫可能不是设置errno
的原因。close
系统调用不应返回错误EINVAL
,其他一些你不检查的函数必须设置它。因为有很多地方你可能会出错,你能告诉哪些系统调用会出错吗?哦。。我忘了添加它,我在delete_timer()和close()中遇到错误。您没有检查timer_delete
的返回值,因此您不知道它是否出错。请记住,如果函数成功,则不必重置errno
,因此只有在函数失败时才能信任errno
。您必须检查每个系统调用的返回,否则您不知道是否有错误。您不能在呼叫后打印出errno
,而不知道有错误,因为该呼叫可能不是设置errno
的原因。close
系统调用不应返回错误EINVAL
,您不检查的其他一些函数必须设置它重试计时器的计时器id您能告诉我,在其他情况下,delete\u timer可能会抛出无效参数错误
您能告诉我这段代码在Linux x86-64上工作,但在arm机器上不工作的原因吗?以下是我的声明timer\t m\u RetryTimerId;//重试计时器的计时器id
您能否告诉我,在其他情况下,delete\u timer可能会抛出无效参数错误
您能否告诉我此代码在Linux x86-64上工作,但在arm机器上不工作的原因是什么。。。
counter 26
Timer Delete Error
Error Number = 22
Error Message = Invalid argument