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Paketbeschreibung


Paketnamelibbitmask-dev
Beschreibungheader files and docs for libbitmask
Archiv/RepositoryOffizielles Ubuntu Archiv lucid (universe)
Version2.0-1
Sektionuniverse/libdevel
Prioritätoptional
Installierte Größe156 Byte
Hängt ab vonlibbitmask1 (= 2.0-1)
Empfohlene Pakete
PaketbetreuerUbuntu MOTU Developers
Quellelibbitmask
Paketgröße30622 Byte
Prüfsumme MD58f3363dad49dc15fc9846220e9aa588e
Prüfsumme SHA1965b4ade0cf4dea3b7572c00604f3eed3c9c6eff
Prüfsumme SHA256b9a8b6d7352e9733476c5a90a6f47ec13184e77892f257b74ca6351f92961eec
Link zum Herunterladenlibbitmask-dev_2.0-1_i386.deb
Ausführliche BeschreibungContains the header files and documentation for libbitmask for use in developing applications that use the libbitmask library. . This Bitmask library supports multi-word bitmask operations for applications programmed in 'C'. It works in conjunction with recent Linux kernel support for processor and memory placement on multiprocessor SMP and NUMA systems. The cpuset library, being developed in parallel, depends on this bitmask library. . Bitmasks provide multi-word bit masks and operations thereon to do such things as set and clear bits, intersect and union masks, query bits, and display and parse masks. . The initial intended use for these bitmasks is to represent sets of CPUs and Memory Nodes, when configuring large SMP and NUMA systems. However there is little in the semantics of bitmasks that is specific to this particular use, and bitmasks should be usable for other purposes that had similar design requirements. . These bitmasks share the same underlying layout as the bitmasks used by the Linux kernel to represent sets of CPUs and Memory Nodes. Unlike the kernel bitmasks, these bitmasks use dynamically allocated memory and are manipulated via a pointer. This enables a program to work correctly on systems with various numbers of CPUs and Nodes, without recompilation. . There is a related cpuset library which uses the bitmask type provided here to represent sets of CPUs and Memory Nodes. The internal representation (as an array of unsigned longs, in little endian order) is directly compatible with the sched_setaffinity(2) and sched_getaffinity(2) system calls (added in Linux 2.6).


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