mprotect(2) - NetBSD Manual Pages

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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.

4.4BSD                           June 9, 1993                                1