kolan
/
CMake
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

BUG: Fixed polling feature of WaitForData.

This commit is contained in:
Brad King 2005-06-17 14:05:35 -04:00
parent 28ffc134a0
commit 5df6d35dc6
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
Source/kwsys/ProcessWin32.c
View File

@ -101,6 +101,7 @@ static void kwsysProcessCleanErrorMessage(kwsysProcess* cp);
static int kwsysProcessGetTimeoutTime(kwsysProcess* cp, double* userTimeout,
kwsysProcessTime* timeoutTime);
static int kwsysProcessGetTimeoutLeft(kwsysProcessTime* timeoutTime,
double* userTimeout,
kwsysProcessTime* timeoutLength);
static kwsysProcessTime kwsysProcessTimeGetCurrent();
static DWORD kwsysProcessTimeToDWORD(kwsysProcessTime t);
@ -1300,7 +1301,8 @@ int kwsysProcess_WaitForData(kwsysProcess* cp, char** data, int* length,
}
/* Setup a timeout if required. */
if(kwsysProcessGetTimeoutLeft(&timeoutTime, &timeoutLength))
if(kwsysProcessGetTimeoutLeft(&timeoutTime, user?userTimeout:0,
&timeoutLength))
{
/* Timeout has already expired. */
expired = 1;
@ -2122,7 +2124,8 @@ int kwsysProcessGetTimeoutTime(kwsysProcess* cp, double* userTimeout,
kwsysProcessTime userTimeoutLength = kwsysProcessTimeFromDouble(*userTimeout);
kwsysProcessTime userTimeoutTime = kwsysProcessTimeAdd(currentTime,
userTimeoutLength);
if(kwsysProcessTimeLess(userTimeoutTime, *timeoutTime))
if(timeoutTime->QuadPart < 0 ||
kwsysProcessTimeLess(userTimeoutTime, *timeoutTime))
{
*timeoutTime = userTimeoutTime;
return 1;
@ -2135,6 +2138,7 @@ int kwsysProcessGetTimeoutTime(kwsysProcess* cp, double* userTimeout,
/* Get the length of time before the given timeout time arrives.
Returns 1 if the time has already arrived, and 0 otherwise. */
int kwsysProcessGetTimeoutLeft(kwsysProcessTime* timeoutTime,
double* userTimeout,
kwsysProcessTime* timeoutLength)
{
if(timeoutTime->QuadPart < 0)
@ -2147,6 +2151,13 @@ int kwsysProcessGetTimeoutLeft(kwsysProcessTime* timeoutTime,
/* Calculate the remaining time. */
kwsysProcessTime currentTime = kwsysProcessTimeGetCurrent();
*timeoutLength = kwsysProcessTimeSubtract(*timeoutTime, currentTime);
if(timeoutLength->QuadPart < 0 && userTimeout && *userTimeout <= 0)
{
/* Caller has explicitly requested a zero timeout. */
timeoutLength->QuadPart = 0;
}
if(timeoutLength->QuadPart < 0)
{
/* Timeout has already expired. */