Threads and Semaphores: 2 Two Models of Multitasking

GEOS SDK TechDocs

1 Multitasking Goals

3 GEOS Multitasking

Many operating systems provide the ability to carry out multiple tasks at the same time. While each operating system has its own unique way of managing this, there are two fundamental types of multitasking: cooperative (used by Microsoft Windows), and preemptive (used by GEOS).

Cooperative Multitasking

Preemptive Multitasking

GEOS SDK TechDocs

1 Multitasking Goals

3 GEOS Multitasking