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UNIX for Dummies Questions & Answers
Comparing the characters of 2 variables
Post 302557176 by Corona688 on Tuesday 20th of September 2011 01:43:27 PM
09-20-2011
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LEARN ABOUT DEBIAN
vm_map_check_protection
VM_MAP_CHECK_PROTECTION(9) BSD Kernel Developer's Manual VM_MAP_CHECK_PROTECTION(9) NAME
vm_map_check_protection -- check memory protection for a vm_map SYNOPSIS
#include <sys/param.h> #include <vm/vm.h> #include <vm/vm_map.h> boolean_t vm_map_check_protection(vm_map_t map, vm_offset_t start, vm_offset_t end, vm_prot_t protection); DESCRIPTION
The vm_map_check_protection() function asserts that the target map allows the specified privilege protection over the entire address range from start to end. The region MUST be contiguous; no holes are allowed. IMPLEMENTATION NOTES
This code does not and SHOULD not check whether the contents of the region are accessible. For example, a small file may be mapped into an address space which is significantly larger in size. RETURN VALUES
The vm_map_check_protection() function returns TRUE if the privilege is allowed; if it is not allowed, or if any other error occurred, the value FALSE is returned. SEE ALSO
munmap(2), vm_map(9), vm_map_protect(9) AUTHORS
This manual page was written by Bruce M Simpson <bms@spc.org>. BSD
July 19, 2003 BSD