1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/******************************************************************************
* recordMyDesktop *
*******************************************************************************
* *
* Copyright (C) 2006,2007 John Varouhakis *
* *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
* *
* *
* *
* For further information contact me at johnvarouhakis@gmail.com *
******************************************************************************/
#include <recordmydesktop.h>
void SetExpired(int signum){
if(!Paused){
frames_total++;
if(capture_busy){
frames_lost++;
}
pthread_cond_broadcast(time_cond); //sig handlers should
//not call this func
//could be a set_expired
// and main thread
//doing a while(running)
//if set_expired broadcast
//else usleep(n)
}
}
void SetPaused(int signum){
if(!Paused)
Paused=1;
else{
// pthread_cond_broadcast(pause_cond);//this should work,
// but it doesn't
int i; //this is a bug
Paused=0; //normally with the broadcast
//all the threads should restart,
//but sound capture thread
for(i=0;i<15;i++) //remains dead. If a bunch of signals,
pthread_cond_signal(pause_cond);//restarts all threads,
//why can't a broadcast
//do the same?
//if you have any idea
//please contact me.
//(misses the signal?)
}
}
void SetRunning(int signum){
*Running=0;
if(signum==SIGABRT)
Aborted=1;
}
void CancelTimer(void){
struct itimerval value;
value.it_interval.tv_sec=
value.it_value.tv_sec=
value.it_interval.tv_usec=
value.it_value.tv_usec=0;
setitimer(ITIMER_REAL,&value,NULL);
}
void RegisterCallbacks(ProgArgs *args){
struct itimerval value;
struct sigaction time_act,pause_act,end_act;
value.it_interval.tv_sec=value.it_value.tv_sec=0;
value.it_interval.tv_usec=value.it_value.tv_usec=(1000000)/args->fps;
setitimer(ITIMER_REAL,&value,NULL);
time_act.sa_handler=SetExpired;
pause_act.sa_handler=SetPaused;
end_act.sa_handler=SetRunning;
sigfillset(&(time_act.sa_mask));
sigfillset(&(pause_act.sa_mask));
sigfillset(&(end_act.sa_mask));
time_act.sa_flags=pause_act.sa_flags=end_act.sa_flags=0;
sigaction(SIGALRM,&time_act,NULL);
sigaction(SIGUSR1,&pause_act,NULL);
sigaction(SIGINT,&end_act,NULL);
sigaction(SIGTERM,&end_act,NULL);
sigaction(SIGABRT,&end_act,NULL);
}
|
