mprotect(2) - NetBSD Manual Pages

Command:	Section:	Arch:	Collection:
MPROTECT(2)               NetBSD Programmer's Manual               MPROTECT(2)


NAME

     mprotect - control the protection of pages


SYNOPSIS

     #include <sys/types.h>
     #include <sys/mman.h>

     int
     mprotect(void *addr, size_t 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

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


HISTORY

     The mprotect() function first appeared in 4.4BSD.

NetBSD 1.4                       June 9, 1993                                1