Hi, >> >> I had read that the operating systems that use copy-on-write >> mechanism for fork(), it is better if they deliberately allow the >> CHILD to run first. >> >> This would be better because in 99% of the cases child will call >> exec() and the new address space will be allocated. Instead if the >> parent is executes first, an unnecessary copy of the pages is made >> (if parents writes) and later on when child executes, a fresh >> address space is executed. >> >> So in linux, is a child run first or the parent? Can we rely on this >> information? > > No with fork() it is not guaranteed.......however if you use vfork() > child is guaranteed to run first...... > So as the author says, isn't running child first a good idea that needs to be implemented? Thanks, Rajat - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs
