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Diffstat (limited to 'newlib/libc/include/sys/_timeval.h')
| -rw-r--r-- | newlib/libc/include/sys/_timeval.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/newlib/libc/include/sys/_timeval.h b/newlib/libc/include/sys/_timeval.h new file mode 100644 index 000000000..0a4c539d9 --- /dev/null +++ b/newlib/libc/include/sys/_timeval.h @@ -0,0 +1,88 @@ +/*- + * Copyright (c) 2002 Mike Barcroft <mike@FreeBSD.org> + * All rights reserved. + * + * 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 and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _SYS__TIMEVAL_H_ +#define _SYS__TIMEVAL_H_ + +#include <machine/types.h> + +#ifndef _SUSECONDS_T_DECLARED +typedef __suseconds_t suseconds_t; +#define _SUSECONDS_T_DECLARED +#endif + +#ifndef __time_t_defined +typedef _TIME_T_ time_t; +#define __time_t_defined +#endif + +/* This define is also used outside of Newlib, e.g. in MinGW-w64 */ +#ifndef _TIMEVAL_DEFINED +#define _TIMEVAL_DEFINED + +/* + * Structure returned by gettimeofday(2) system call, and used in other calls. + */ +struct timeval { + time_t tv_sec; /* seconds */ + suseconds_t tv_usec; /* and microseconds */ +}; + +#if __BSD_VISIBLE +#ifndef _KERNEL /* NetBSD/OpenBSD compatible interfaces */ + +#define timerclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0) +#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) +#define timercmp(tvp, uvp, cmp) \ + (((tvp)->tv_sec == (uvp)->tv_sec) ? \ + ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ + ((tvp)->tv_sec cmp (uvp)->tv_sec)) +#define timeradd(tvp, uvp, vvp) \ + do { \ + (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ + (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ + if ((vvp)->tv_usec >= 1000000) { \ + (vvp)->tv_sec++; \ + (vvp)->tv_usec -= 1000000; \ + } \ + } while (0) +#define timersub(tvp, uvp, vvp) \ + do { \ + (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ + (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ + if ((vvp)->tv_usec < 0) { \ + (vvp)->tv_sec--; \ + (vvp)->tv_usec += 1000000; \ + } \ + } while (0) +#endif +#endif /* __BSD_VISIBLE */ + +#endif /* _TIMEVAL_DEFINED */ + +#endif /* !_SYS__TIMEVAL_H_ */ |