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linux_sigevent.h revision 1.1 
      1 /*-
      2  * Copyright (c) 2005 The NetBSD Foundation, Inc.
      3  * All rights reserved.
      4  *
      5  * This code is derived from software contributed to The NetBSD Foundation
      6  * by Frank van der Linden.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *      This product includes software developed by the NetBSD
     19  *      Foundation, Inc. and its contributors.
     20  * 4. Neither the name of The NetBSD Foundation nor the names of its
     21  *    contributors may be used to endorse or promote products derived
     22  *    from this software without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     25  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     27  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     28  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     34  * POSSIBILITY OF SUCH DAMAGE.
     35  */
     36 
     37 #ifndef _LINUX_SIGEVENT_H
     38 #define _LINUX_SIGEVENT_H
     39 
     40 #define LINUX_SIGEV_SIGNAL    0       /* notify via signal */
     41 #define LINUX_SIGEV_NONE      1       /* other notification: meaningless */
     42 #define LINUX_SIGEV_THREAD    2       /* deliver via thread creation */
     43 #define LINUX_SIGEV_THREAD_ID 4       /* deliver to thread */
     44 
     45 #define LINUX_SIGEV_MAX  64
     46 #ifndef LINUX_SIGEV_PAD
     47 #define LINUX_SIGEV_PAD  ((LINUX_SIGEV_MAX/sizeof(int)) - 3)
     48 #endif
     49 
     50 typedef struct linux_sigevent {
     51 	sigval_t sigev_value;
     52 	int sigev_signo;
     53 	int sigev_notify;
     54 	union {
     55 		int pad[LINUX_SIGEV_PAD];
     56 		int tid;
     57 		struct {
     58 			void (*func)(sigval_t);
     59 			void *attr;
     60 		} _sigev_thread;
     61 	} _sigev_un;
     62 } linux_sigevent_t;
     63 
     64 #endif /* _LINUX_SIGEVENT_H */
     65