# sched.h ## **Overview** **Related Modules:** [PROCESS](PROCESS.md) **Description:** Provides process- and thread-related structures and functions \(for example, obtaining scheduling policies and parameters\). **Since:** 1.0 **Version:** 1.0 ## **Summary** ## Data Structures

Data Structure Name

Description

sched_param

Defines process scheduling parameters.

## Functions

Function Name

Description

sched_get_priority_max (int policy)

int 

Obtains the maximum static priority that can be used for a process.

sched_get_priority_min (int policy)

int 

Obtains the minimum static priority that can be used for a process.

sched_getparam (pid_t pid, struct sched_param *param)

int 

Obtains scheduling parameters of a process.

sched_getscheduler (pid_t pid)

int 

Obtains the scheduling policy of a process.

sched_rr_get_interval (pid_t pid, struct timespec *interval)

int 

Obtains the execution time limit of a process.

sched_setparam (pid_t pid, const struct sched_param *param)

int 

Sets scheduling parameters related to a scheduling policy for a process.

sched_setscheduler (pid_t pid, int policy, const struct sched_param *param)

int 

Sets a scheduling policy for a process.

sched_yield (void)

int 

Yields the running process.