XSI_THREADS_EXT

XSI Threads Extensions option group (thread stack control and concurrency). More...

Functions
int	pthread_getconcurrency (void)
	Get the concurrency level (advisory, has no effect on scheduling).
int	pthread_setconcurrency (int new_level)
	Set the concurrency level (advisory, has no effect on scheduling).

Detailed Description

XSI Threads Extensions option group (thread stack control and concurrency).

Function Documentation

pthread_getconcurrency()

int pthread_getconcurrency

(

void

)

Get the concurrency level (advisory, has no effect on scheduling).

Returns

Current concurrency level.

See also

https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_getconcurrency.html

pthread_setconcurrency()

int pthread_setconcurrency

(

int

new_level

)

Set the concurrency level (advisory, has no effect on scheduling).

Parameters

new_level

Desired concurrency level (0 = implementation default).

Returns

0 on success, or a positive error number on failure.

See also

https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_setconcurrency.html