http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/wvstreams/wvshmzone.h

/* -*- Mode: C++ -*- * Worldvisions Weaver Software: * Copyright (C) 1997-2002 Net Integration Technologies, Inc. * * Shared memory zones. */ #ifndef __WVSHMZONE_H #define __WVSHMZONE_H #include "wverror.h" /** * Represents a shared-memory zone via mmap(). * * If you create one of these, its buf element will be * shared across fork() and you can use it for various things * such as a circular queue, semaphore, etc. * */ class WvShmZone : public WvErrorBase { public: /** * Creates a shared memory zone. * * "size" is the size of the zone in bytes */ WvShmZone(size_t size); ~WvShmZone(); private: int fd; public: int size; union { void *buf; char *cbuf; unsigned char *ucbuf; }; }; #endif // __WVSHMZONE_h