Set thread contention scope attribute
#include <pthread.h> int pthread_attr_setscope( pthread_attr_t* attr, int scope );
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The pthread_attr_setscope() sets the thread contention scope attribute in the thread attribute object attr to scope.
POSIX 1003.1 THR TPS
pthread_attr_getscope(), pthread_attr_init(), pthread_create()
Processes and Threads chapter of Getting Started with QNX Neutrino