MUTEXCALLBACKS

Branch and Bound: This determines whether the callback routines are mutexed from within the optimizer.

Integer

0	Callbacks are not mutexed.
1	Callbacks are mutexed.

1

If the users' callbacks take a significant amount of time it may be preferable not to mutex the callbacks. In this case the user must ensure that their callbacks are threadsafe.

XPRSaddcboptnode, XPRSaddcbinfnode, XPRSaddcbintsol, XPRSaddcbnodecutoff, XPRSaddcbprenode.