hpux man page for munmap

munmap(2)							System Calls Manual							 munmap(2)

NAME
       munmap - unmap pages of memory

SYNOPSIS
DESCRIPTION
       The  function  removes  the mappings for pages in the range [addr, addr+len], rounding the len argument up to the next multiple of the page
       size as returned by If addr is not the address of a mapping established by a prior call to the behavior is undefined.  After  a	successful
       call to and before any subsequent mapping of the unmapped pages, further references to these pages will result in the delivery of a or sig-
       nal to the process.

       If the specified address range was created by multiple calls to succeeds in unmapping all of the specified regions, provided  they  form  a
       contiguous address range.

       If the region was created with the option, any modifications made to the region are discarded.

RETURN VALUE
       Upon successful completion, returns Otherwise, it returns and sets to indicate the error.

ERRORS
       The function will fails if:

	      [EINVAL]	     The addr argument is not a multiple of the page size as returned by

	      [EINVAL]	     Addresses in the range [addr, addr+len], are outside the valid range for the address space of a process.

	      [EINVAL]	     The address range specified by addr and len was not created by a successful call to

	      [EINVAL]	     The len argument is

AUTHOR
       was developed by HP, AT&T, and OSF.

SEE ALSO
       mmap(2), sysconf(2), <signal.h>, <sys/mman.h>.

STANDARDS CONFORMANCE
CHANGE HISTORY
       First released in Issue 4, Version 2.

																	 munmap(2)