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HP-UX
HP-UX Trying to Understand Shared Memory Segments
Post 302176185 by scotbuff on Monday 17th of March 2008 05:05:01 PM
03-17-2008
Thank you Sir
We have a few "kill -9" sysadmins. 
This is something I will continue keeping my eye on. Thanks for the info.
This is something I will continue keeping my eye on. Thanks for the info.|
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LEARN ABOUT CENTOS
mman.h
mman.h(3HEAD) Headers mman.h(3HEAD) NAME
mman.h, mman - memory management declarations SYNOPSIS
#include <sys/mman.h> DESCRIPTION
The <sys/mman.h> header supports the following options: o the Memory Mapped Files option o the Shared Memory Objects option o the Process Memory Locking option o the Memory Protection option o the Synchronized Input and Output option For Memory Mapped Files and Shared Memory Objects options, the following protection options are defined: PROT_READ Page can be read. PROT_WRITE Page can be written. PROT_EXEC Page can be executed. PROT_NONE Page cannot be accessed. The following flag options are defined: MAP_SHARED Share changes. MAP_PRIVATE Changes are private. MAP_FIXED Interpret addr exactly. The flags immediately following are defined for msync(). See msync(3C). MS_ASYNC Perform asynchronous writes. MS_SYNC Perform synchronous writes. MS_INVALIDATE Invalidate mappings. The symbolic constants immediately following are defined for the mlockall() function. See mlockall(3C). MCL_CURRENT Lock currently mapped pages. MCL_FUTURE Lock pages that become mapped. The symbolic constant MAP_FAILED is defined to indicate a failure from the mmap() function. See mmap(2). The mode_t, off_t, and size_t types are be defined as described in <sys/types.h>. See types(3HEAD). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
mmap(2), mprotect(2), munmap(2), madvise(3C), mlock(3C), mlockall(3C), msync(3C), shm_open(3RT), shm_unlink(3RT), attributes(5), stan- dards(5) SunOS 5.10 10 Sep 2004 mman.h(3HEAD)