_sigset.h

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/*-
 * Copyright (c) 2002-2018 The UbixOS Project.
 * All rights reserved.
 *
 * This was developed by Christopher W. Olsen for the UbixOS Project.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 * 1) Redistributions of source code must retain the above copyright notice, this list of
 *    conditions, the following disclaimer and the list of authors.
 * 2) Redistributions in binary form must reproduce the above copyright notice, this list of
 *    conditions, the following disclaimer and the list of authors in the documentation and/or
 *    other materials provided with the distribution.
 * 3) Neither the name of the UbixOS Project nor the names of its contributors may be used to
 *    endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef _SYS__SIGSET_H
#define _SYS__SIGSET_H
 
#include <sys/_types.h>
 
// sigset_t macros
#define _SIG_WORDS      4
#define _SIG_MAXSIG     128
#define _SIG_IDX(sig)   ((sig) - 1)
#define _SIG_WORD(sig)  (_SIG_IDX(sig) >> 5)
#define _SIG_BIT(sig)   (1 << (_SIG_IDX(sig) & 31))
#define _SIG_VALID(sig) ((sig) <= _SIG_MAXSIG && (sig) > 0)
 
typedef struct __sigset {
    __uint32_t  __bits [_SIG_WORDS];
} __sigset_t;
 
#endif /* END _SYS__SIGSET_H */