POSIX_MEMORY_PROTECTION

POSIX Memory Protection option group. More...

Functions
int	mprotect (void *addr, size_t len, int prot)
	Change the protection of a memory mapping.

Detailed Description

POSIX Memory Protection option group.

Function Documentation

mprotect()

int mprotect	(	void *	addr,
		size_t	len,
		int	prot
	)

Change the protection of a memory mapping.

Parameters

addr	Base address of the region (must be page-aligned).
len	Length of the region in bytes.
prot	New memory protection (PROT_* flags).

Returns

0 on success, or -1 with errno set on failure.

See also

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