Mercurial > MadButterfly
annotate src/timertool.c @ 880:ac3e8492ad74 abs_n_rel_center
Formalize path data for MadButterfly.
Inkscape and other editors would omit 'l' or 'L' after 'm' or 'M'.
MadButterfly can not handle it, now. So, we work around it at SVG
parser.
author | Thinker K.F. Li <thinker@codemud.net> |
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date | Sat, 25 Sep 2010 18:46:37 +0800 |
parents | 586e50f82c1f |
children |
rev | line source |
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822
586e50f82c1f
Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents:
186
diff
changeset
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*- |
586e50f82c1f
Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents:
186
diff
changeset
|
2 // vim: sw=4:ts=8:sts=4 |
92
3f619ae03678
Improve calcuator example program.
Thinker K.F. Li <thinker@branda.to>
parents:
78
diff
changeset
|
3 #include <stdio.h> |
77 | 4 #include <sys/time.h> |
5 #ifdef __FreeBSD__ | |
6 #include <machine/cpufunc.h> | |
7 #include <sys/types.h> | |
8 #include <sys/sysctl.h> | |
9 #endif | |
186
530bb7728546
Move header files to $(top_srcdir)/include/ and prefixed with 'mb_'.
Thinker K.F. Li <thinker@branda.to>
parents:
185
diff
changeset
|
10 #include "mb_timer.h" |
77 | 11 |
12 | |
13 #ifdef __FreeBSD__ | |
14 void get_now(mb_timeval_t *tmo) { | |
15 struct timeval tv; | |
16 static uint64_t cpufreq; | |
120 | 17 static uint64_t diff; |
77 | 18 static mb_timeval_t tm = {0, 0}; |
19 static uint64_t last_ts; | |
20 mb_timeval_t diff_tm; | |
120 | 21 uint64_t ts, udiff, sdiff; |
77 | 22 size_t sysctl_sz; |
78 | 23 int r; |
77 | 24 |
25 if(MB_TIMEVAL_SEC(&tm) == 0) { | |
26 sysctl_sz = sizeof(uint64_t); | |
78 | 27 r = sysctlbyname("kern.timecounter.tc.TSC.frequency", |
28 &cpufreq, &sysctl_sz, | |
29 NULL, 0); | |
30 if(r == -1) { | |
31 perror("sysctl"); | |
32 return; | |
33 } | |
77 | 34 |
35 gettimeofday(&tv, NULL); | |
36 last_ts = rdtsc(); | |
37 | |
38 MB_TIMEVAL_SET(tmo, tv.tv_sec, tv.tv_usec); | |
39 MB_TIMEVAL_CP(&tm, tmo); | |
40 diff = 0; | |
41 } else { | |
42 ts = rdtsc(); | |
120 | 43 diff += ts - last_ts; |
77 | 44 sdiff = diff / cpufreq; |
45 udiff = (diff % cpufreq) * 1000000 / cpufreq; | |
46 | |
47 MB_TIMEVAL_SET(&diff_tm, sdiff, udiff); | |
48 MB_TIMEVAL_CP(tmo, &tm); | |
49 MB_TIMEVAL_ADD(tmo, &diff_tm); | |
50 | |
51 MB_TIMEVAL_SET(&diff_tm, sdiff, 0); | |
52 MB_TIMEVAL_ADD(&tm, &diff_tm); | |
53 | |
120 | 54 diff %= cpufreq; |
55 last_ts = ts; | |
77 | 56 } |
57 } | |
58 #else /* __FreeBSD__ */ | |
59 void get_now(mb_timeval_t *tmo) { | |
60 struct timeval tv; | |
61 | |
62 gettimeofday(&tv, NULL); | |
63 MB_TIMEVAL_SET(tmo, tv.tv_sec, tv.tv_usec); | |
64 } | |
65 #endif /* __FreeBSD__ */ | |
66 |