You forgot to include #include<errno.h>
where EBSUY
is defined. See errno.h.
Compare return value to EBUSY
문제
So, I'm getting an error on this line of code;
else if(lockError == EBUSY)
I get the error;
use of undeclared identifier 'EBUSY'
How do I compare my int lockError to the EBUSY that might be returned when I try a pthread_mutex_unlock.
해결책
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