blob: 902f915ce57977d314b1fdaed2ed3700fd2bac45 (
plain)
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
|
#include <EXTERN.h>
#include <perl.h>
#include <glib.h>
#include "libvxi11client.h"
static GAsyncQueue* interruptqueue;
typedef struct {
char* handle;
} Event;
static Event* lastevent = NULL;
static void freeevent(Event* event) {
g_free(event->handle);
g_free(event);
}
static void freelast() {
if (lastevent != NULL) {
freeevent(lastevent);
lastevent = NULL;
}
}
static void interruptcallback(char* handle) {
Event* event = g_malloc(sizeof(Event));
int handlelen = strlen(handle);
event->handle = g_malloc(handlelen + 1);
strcpy(event->handle, handle);
g_async_queue_push(interruptqueue, event);
}
VXI11Context* glue_open(char* address, char* device) {
VXI11Context* context = malloc(sizeof(VXI11Context));
if (context == NULL)
return NULL;
int err = vxi11_open(context, address, device);
return context;
}
int glue_start_interrupt_server() {
interruptqueue = g_async_queue_new();
return vxi11_start_interrupt_server(interruptcallback);
}
int glue_stop_interrupt_server() {
int ret = vxi11_stop_interrupt_server();
Event* event = NULL;
// clear everything that is left over
while ((event = (Event*) g_async_queue_try_pop(interruptqueue)) != NULL) {
freeevent(event);
}
freelast();
g_free(interruptqueue);
return ret;
}
char* glue_wait_for_interrupt() {
GTimeVal timeout;
g_get_current_time(&timeout);
g_time_val_add(&timeout, 2500);
freelast();
lastevent = (Event*) g_async_queue_timed_pop(interruptqueue, &timeout);
if (lastevent != NULL) {
return lastevent->handle;
}
else
return NULL;
}
|
