


MPROTECT(2)                                           MPROTECT(2)


NNAAMMEE
       mprotect - control the protection of pages

SSYYNNOOPPSSIISS
       mprotect(addr, len, prot)
       ccaaddddrr__tt aaddddrr;;
       iinntt lleenn,, pprroott;;

DDEESSCCRRIIPPTTIIOONN
       The  _m_p_r_o_t_e_c_t  system  call changes the specified pages to
       have protection _p_r_o_t.  Not all implementations will  guar-
       antee  protection on a page basis; the granularity of pro-
       tection changes may be as large as an entire region.

SSEEEE AALLSSOO
       msync.2, munmap.2, mprotect.2, madvise.2, mincore.2









































                           May 27, 1991                         1


