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
|
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include <errno.h>
#include <time.h>
#include <pthread.h>
char *t3_buffer = NULL;
__attribute__((visibility("default"))) extern void *testfunc(){
fputs( "Yes, it worked, testfunc executed\n", stdout );
return NULL;
}
__attribute__((visibility("default"))) extern void *testfunc2( char *testvalue ){
fprintf( stdout, "Value passed from python: %s\n", (const char*)testvalue );
return NULL;
}
__attribute__((visibility("default"))) extern char *testfunc3(){
t3_buffer = (char*)calloc( strlen("test") + 1, sizeof(char) );
assert( t3_buffer != NULL );
snprintf( t3_buffer, (strlen("test") * sizeof(char)) + 1, "test" );
return t3_buffer;
}
__attribute__((visibility("default"))) extern void *cleanup_buffer(){
if ( t3_buffer == NULL )
return NULL;
free( t3_buffer );
t3_buffer = NULL;
fputs( "Buffer freed\n", stdout );
return NULL;
}
__attribute__((visibility("hidden"))) extern void *thread_func( void *uptr ){
uint32_t loop_counter = 0;
for ( ; loop_counter < 30; loop_counter++ ){
fprintf( stdout, "Loop counter is now %i\n", loop_counter );
sleep( 1 );
}
return NULL;
}
__attribute__((visibility("default"))) extern void *threadstarter(){
pthread_t tid = 0;
if ( pthread_create(&tid, NULL, &thread_func, NULL) == -1 )
return NULL;
return NULL;
}
|
