Unit 'BaseUnix'	Package
[Overview][Constants][Types][Procedures and functions][Index]	[#rtl]

Fpmprotect

Set memory protection.

Declaration

Source position: bunxh.inc line 113

function Fpmprotect(

start: pointer;

len: size_t;

prot: cint

):cint;

Description

fpmprotect sets memory protection on a certain block of memory. The memory block to protect starts at adr and has size len. The prot argument specifies the kind of protection to apply, and is a bit-wise OR-ed combination of the following:

PROT_NONE: Memory cannot be accessed
PROT_READ: Memory can be read
PROT_WRITE: Memory can be written
PROT_EXEC: Memory can be executed
PROT_SEM: Memory can be used for atomic operations
PROT_SAO: Memory must have strong access order (powerPC only).