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Diffstat (limited to 'sysroot/usr/include/pulse/timeval.h')
-rw-r--r-- | sysroot/usr/include/pulse/timeval.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/sysroot/usr/include/pulse/timeval.h b/sysroot/usr/include/pulse/timeval.h new file mode 100644 index 0000000..d0db9d4 --- /dev/null +++ b/sysroot/usr/include/pulse/timeval.h @@ -0,0 +1,67 @@ +#ifndef footimevalhfoo +#define footimevalhfoo + +/* $Id: timeval.h 1971 2007-10-28 19:13:50Z lennart $ */ + +/*** + This file is part of PulseAudio. + + Copyright 2004-2006 Lennart Poettering + Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + PulseAudio is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with PulseAudio; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#include <pulse/cdecl.h> +#include <pulse/sample.h> + +/** \file + * Utility functions for handling timeval calculations */ + +PA_C_DECL_BEGIN + +#define PA_MSEC_PER_SEC 1000 +#define PA_USEC_PER_SEC 1000000 +#define PA_NSEC_PER_SEC 1000000000 +#define PA_USEC_PER_MSEC 1000 + +struct timeval; + +/** Return the current timestamp, just like UNIX gettimeofday() */ +struct timeval *pa_gettimeofday(struct timeval *tv); + +/** Calculate the difference between the two specified timeval + * structs. */ +pa_usec_t pa_timeval_diff(const struct timeval *a, const struct timeval *b) PA_GCC_PURE; + +/** Compare the two timeval structs and return 0 when equal, negative when a < b, positive otherwse */ +int pa_timeval_cmp(const struct timeval *a, const struct timeval *b) PA_GCC_PURE; + +/** Return the time difference between now and the specified timestamp */ +pa_usec_t pa_timeval_age(const struct timeval *tv); + +/** Add the specified time inmicroseconds to the specified timeval structure */ +struct timeval* pa_timeval_add(struct timeval *tv, pa_usec_t v) PA_GCC_PURE; + +/** Store the specified uec value in the timeval struct. \since 0.9.7 */ +struct timeval* pa_timeval_store(struct timeval *tv, pa_usec_t v); + +/** Load the specified tv value and return it in usec. \since 0.9.7 */ +pa_usec_t pa_timeval_load(const struct timeval *tv); + +PA_C_DECL_END + +#endif |