NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | USAGE | ATTRIBUTES | SEE ALSO
cc -mt [ flag... ] file...- lpthread [ library... ] #include <pthread.h>int pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param);
The functions pthread_attr_setschedparam() and pthread_attr_getschedparam() , respectively, set and get the scheduling parameter attributes in the attr argument. The contents of the param structure are defined in <sched.h> . For the SCHED_FIFO and SCHED_RR policies, the only required member of param is sched_priority .
If successful, the pthread_attr_setschedparam() and pthread_attr_getschedparam() functions return 0 . Otherwise, an error number is returned to indicate the error.
The pthread_attr_setschedparam() function may fail if:
attr is invalid.
The pthread_attr_getschedparam() function may fail if:
attr or param is invalid.
After these attributes have been set, a thread can be created with the specified attributes using pthread_create() . Using these routines does not affect the current running thread.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
---|---|
MT-Level | MT-Safe |
pthread_attr_init(3THR) , pthread_attr_setscope(3THR) , pthread_attr_setinheritsched(3THR) , pthread_attr_setschedpolicy(3THR) , pthread_create(3THR) , pthread_setschedparam(3THR) , attributes(5) , standards(5)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | USAGE | ATTRIBUTES | SEE ALSO