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The C and C++ Include Header Files

/usr/include/ntirpc/misc/bsd_epoll.h


$ cat -n /usr/include/ntirpc/misc/bsd_epoll.h

     1	/*
     2	 * bsd_epoll.h - Linux epoll.h compatible header
     3	 *
     4	 * Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> 2009
     5	 *
     6	 * description:
     7	 *    This file makes any code that was compiled with <sys/epoll.h> header
     8	 *    on Linux compile-able under FreeBSD and derivatives. It is meant to be
     9	 *    used Together with bsd_epoll.c source file, to also be run-able.
    10	 *
    11	 * Example useage:
    12	 *   Any code that was using epoll.h before can now do:
    13	 *        #if defined(__linux__)
    14	 *        #        include <sys/epoll.h>
    15	 *        #else
    16	 *        #        include "bsd_epoll.h"
    17	 *        #endif
    18	 *  Under FreeBSD the Makefile should add the bsd_epoll.c source file
    19	 *
    20	 * License:
    21	 *      This header file is not under any license it has been long claimed
    22	 *      and legally proven that Interfaces cannot be copyrighted.
    23	 *      Now since this file only defines interfaces originally put forth
    24	 *      by the Linux Kernel, they are not governed by any License.
    25	 *      In anyway, Linus Trovalds, the originator of the Linux Kernel as
    26	 *      Stated that the Linux Kernel's user-mode APIs are not copyrighted.
    27	 *
    28	 *      This file was hand crafted by me based on Linux Kernel sources
    29	 *      and GlibC's header epoll.h to be made code compatible with epoll.h
    30	 *      Header on Linux.
    31	 *
    32	 *      However, the implementation file bsd_epoll.c is copyrighted under
    33	 *      the "New BSD License" so it can be included in the tirpc library
    34	 *      project.
    35	 *      But I fully expect that if you make any fixes/enhancements to
    36	 *      bsd_epoll.c you shall send these changes to me for inclusion
    37	 *      in the next version. (Or I'll hunt your dreams, and you will
    38	 *      not have peace)
    39	 *
    40	 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    41	 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    42	 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
    43	 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
    44	 * <COPYRIGHT HOLDER> BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    45	 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    46	 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
    47	 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    48	 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    49	 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
    50	 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    51	 * SUCH DAMAGE.
    52	 */
    53	
    54	#ifndef __BSD_EPOLL_H__
    55	#define __BSD_EPOLL_H__
    56	
    57	#include <stdint.h>
    58	
    59	union epoll_data {
    60		int fd;
    61		uint32_t u32;
    62		uint64_t u64;
    63		void *ptr;
    64	};
    65	
    66	struct epoll_event {
    67		uint32_t events;
    68		union epoll_data data;
    69	};
    70	
    71	enum EPOLL_EVENTS {
    72		EPOLLIN = 0x001,
    73	#define EPOLLIN EPOLLIN
    74		EPOLLPRI = 0x002,
    75	#define EPOLLPRI EPOLLPRI
    76		EPOLLOUT = 0x004,
    77	#define EPOLLOUT EPOLLOUT
    78	/*
    79	    EPOLLRDNORM = 0x040,
    80	#define EPOLLRDNORM EPOLLRDNORM
    81	    EPOLLRDBAND = 0x080,
    82	#define EPOLLRDBAND EPOLLRDBAND
    83	    EPOLLWRNORM = 0x100,
    84	#define EPOLLWRNORM EPOLLWRNORM
    85	    EPOLLWRBAND = 0x200,
    86	#define EPOLLWRBAND EPOLLWRBAND
    87	    EPOLLMSG = 0x400,
    88	#define EPOLLMSG EPOLLMSG
    89	    EPOLLERR = 0x008,
    90	#define EPOLLERR EPOLLERR
    91	    EPOLLHUP = 0x010,
    92	#define EPOLLHUP EPOLLHUP
    93	*/
    94		EPOLLRDHUP = 0x2000,
    95	#define EPOLLRDHUP EPOLLRDHUP
    96		EPOLLONESHOT = (1 << 30),
    97	#define EPOLLONESHOT EPOLLONESHOT
    98		EPOLLET = (1 << 31)
    99	#define EPOLLET EPOLLET
   100	};
   101	
   102	#define EPOLL_CTL_ADD     1
   103	#define EPOLL_CTL_DEL     2
   104	#define EPOLL_CTL_MOD     3
   105	
   106	#define EPOLL_MAX_EVENTS        (INT_MAX / sizeof(struct epoll_event))
   107	
   108	extern int epoll_create(int size /*unused */);
   109	extern int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event);
   110	extern int epoll_wait(int epfd, struct epoll_event *events, int maxevents,
   111			      int timeout);
   112	
   113	#endif /* __BSD_EPOLL_H__ */