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|man pages section 3: Basic Library Functions Oracle Solaris 10 8/11 Information Library|
- dynamic thread scheduling parameters access
cc -mt [ flag... ] file... -lpthread [ library... ] #include <pthread.h> int pthread_setschedprio(pthread_t thread, int prio);
The pthread_setschedprio() function sets the scheduling priority for the thread whose thread ID is given by thread to the value given by prio.
If the pthread_setschedprio() function fails, the scheduling priority of the target thread is not changed.
If successful, the pthread_setschedprio() function returns 0; otherwise, an error number is returned to indicate the error.
The pthread_setschedprio() function will fail if:
The value of prio is invalid for the scheduling policy of the specified thread.
An attempt was made to set the priority to an unsupported value.
The caller does not have the appropriate permission to set the scheduling policy of the specified thread.
The system does not allow the application to modify the priority to the value specified.
The value specified by thread does not refer to an existing thread.
See attributes(5) for descriptions of the following attributes: