MPROTECT(2) MachTen Programmer’s Manual MPROTECT(2)

NAME
mprotect - control the protection of pages

SYNOPSIS
mprotect(caddr_t addr, int len, int prot)

DESCRIPTION
The mprotect() system call changes the specified pages to have protection
prot. Not all implementations will guarantee protection on a page basis;
the granularity of protection changes may be as large as an entire re-
gion.

SEE ALSO
msync(2), munmap(2), madvise(2), mincore(2)

HISTORY
The mprotect() function first appeared in 4.4BSD.

4.4BSD June 9, 1993 1