mlock()

Lock a buffer in physical memory

Synopsis:

#include <sys/mman.h>

int mlock( const void * addr, 
           size_t len );

Library:

libc

Description:

The mlock() function isn't currently supported.

Returns:

-1 to indicate an error (errno is set).

Errors:

ENOSYS: The mlock() function isn't currently supported.

Classification:

POSIX 1003.1 (Realtime Extensions)

Safety:
Cancellation point	No
Interrupt handler	No
Signal handler	No
Thread	Yes

See also:

mlockall(), munlock(), munlockall()