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my colleague told me about it. I found redhat provides a patch. I hope it can solve it.

OS: red hat 4
kernel: 2.6.18-92.el5PAE
CPU: Intel(R) Xeon(R) CPU X7350 @ 2.93GHz
16 cores.

The magic number 4389 is my concern. It occurs every time when this problem arises....

I have checked it. It always returns 0.
the reason why I said it may be the problem of multi-core is I found this website
linux-kernel - gettimeofday() jumping into the future...

red hat in a multi-cores platform.

it said invalid conversion from `void*' to `timezone*'.
if I change to gettimeofday(&cur, (timezone *)0); it said "expected primary-expression before ')' token"

just forget this.



As I expect the time does not go back or forward by more 1 second, the micro second part is not my concern. the same result occurs suing subtraction directly. So I suspect...

Sorry, I think it is misleading. the function I used in Main is stardard function difftime, not my own function timediff.

let us take this "Big:1217489802.1217489802,1217485404.813903,4398.000000" as an example.
1217489802-1217485404=4398

so, there are some problems for the difftime function?

Thank you first


# define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
# define timerclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0)
# define timercmp(a, b, CMP) ...

Hi all,

I just wrote a small problem to check gettimeofday in a multi-cores environment.



int timediff(double fTimeQvs, double fTimeTcp)
{
int iTimeDiff;
iTimeDiff =...

then I have another issue. how to assign an array value to another one i.e. clone?

so the array seems act as a globle variable,right?
if a function is called several times in the script, then I need to store it in another array before calling it again, right?

bash shell script

Hi all

I would like to know if there is a way to return an array for a function.
As I know function can return all the contents in an array, I want to return an array type.