In the given Pthread code example $($Figure $5\mathrm{.}10),$ the program first gets the current contention scope and then sets it to:

Question $2$Answer

a$.$

The scope that will be used for the newly created threads.

b$.$

PTHREAD SCOPE PROCESS, regardless of the initial scope.

c$.$

PTHREAD SCOPE SYSTEM only if the initial scope was PTHREAD$\_$SCOPE$\_$PROCESS.

d$.$

PTHREAD SCOPE SYSTEM to enable scheduling of the newly created threads.