PulseAudio  3.0.0-7.1.mga3
timeval.h
Go to the documentation of this file.
1 #ifndef footimevalhfoo
2 #define footimevalhfoo
3 
4 /***
5  This file is part of PulseAudio.
6 
7  Copyright 2004-2006 Lennart Poettering
8  Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
9 
10  PulseAudio is free software; you can redistribute it and/or modify
11  it under the terms of the GNU Lesser General Public License as
12  published by the Free Software Foundation; either version 2.1 of the
13  License, or (at your option) any later version.
14 
15  PulseAudio is distributed in the hope that it will be useful, but
16  WITHOUT ANY WARRANTY; without even the implied warranty of
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18  Lesser General Public License for more details.
19 
20  You should have received a copy of the GNU Lesser General Public
21  License along with PulseAudio; if not, write to the Free Software
22  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23  USA.
24 ***/
25 
26 #include <pulse/cdecl.h>
27 #include <pulse/gccmacro.h>
28 #include <pulse/sample.h>
29 #include <pulse/version.h>
30 
34 PA_C_DECL_BEGIN
35 
37 #define PA_MSEC_PER_SEC ((pa_usec_t) 1000ULL)
38 
40 #define PA_USEC_PER_SEC ((pa_usec_t) 1000000ULL)
41 
43 #define PA_NSEC_PER_SEC ((unsigned long long) 1000000000ULL)
44 
46 #define PA_USEC_PER_MSEC ((pa_usec_t) 1000ULL)
47 
49 #define PA_NSEC_PER_MSEC ((unsigned long long) 1000000ULL)
50 
52 #define PA_NSEC_PER_USEC ((unsigned long long) 1000ULL)
53 
55 #define PA_USEC_INVALID ((pa_usec_t) -1)
56 
58 #define PA_USEC_MAX ((pa_usec_t) -2)
59 
60 struct timeval;
61 
63 struct timeval *pa_gettimeofday(struct timeval *tv);
64 
67 pa_usec_t pa_timeval_diff(const struct timeval *a, const struct timeval *b) PA_GCC_PURE;
68 
70 int pa_timeval_cmp(const struct timeval *a, const struct timeval *b) PA_GCC_PURE;
71 
73 pa_usec_t pa_timeval_age(const struct timeval *tv);
74 
76 struct timeval* pa_timeval_add(struct timeval *tv, pa_usec_t v);
77 
79 struct timeval* pa_timeval_sub(struct timeval *tv, pa_usec_t v);
80 
82 struct timeval* pa_timeval_store(struct timeval *tv, pa_usec_t v);
83 
85 pa_usec_t pa_timeval_load(const struct timeval *tv);
86 
87 PA_C_DECL_END
88 
89 #endif