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Memcheck

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This commit is contained in:
PolynomialDivision 2017-08-31 11:52:29 +02:00
parent 191db22d60
commit b098085543
3 changed files with 32 additions and 1 deletions
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27
src/main.c
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@ -26,12 +26,16 @@
#include <dlfcn.h>
static void* (*real_malloc)(size_t)=NULL;
static void* (*real_free)(void *p)=NULL;
void daemon_shutdown();
void signal_handler(int sig);
struct sigaction newSigAction;
int free_counter = 0;
pthread_t tid_probe;
pthread_t tid_client;
pthread_t tid_get_client;
@ -54,6 +58,8 @@ void daemon_shutdown()
pthread_mutex_destroy(&probe_array_mutex);
pthread_mutex_destroy(&client_array_mutex);
pthread_mutex_destroy(&ap_array_mutex);
printf("Free Counter: %d\n", free_counter);
}
void signal_handler(int sig)
@ -83,6 +89,10 @@ static void mtrace_init(void)
if (NULL == real_malloc) {
fprintf(stderr, "Error in `dlsym`: %s\n", dlerror());
}
real_free = dlsym(RTLD_NEXT, "free");
if (NULL == real_free) {
fprintf(stderr, "Error in `dlsym`: %s\n", dlerror());
}
}
void *malloc(size_t size)
@ -96,10 +106,25 @@ void *malloc(size_t size)
fprintf(stderr, "malloc(%d) = ", size);
p = real_malloc(size);
fprintf(stderr, "%p\n", p);
free_counter++;
return p;
}
void free(void *p)
{
mtrace_init();
if(real_free==NULL) {
mtrace_init();
}
p = real_free(p);
fprintf(stderr, "free: ");
fprintf(stderr, "%p\n", p);
free_counter--;
}
int main(int argc, char **argv) {
free_counter = 0;
const char *ubus_socket = NULL;
int ch;
@ -182,7 +207,7 @@ int main(int argc, char **argv) {
return 1;
}
init_socket_runopts(opt_broadcast_ip, opt_broadcast_port, 1);
//init_socket_runopts(opt_broadcast_ip, opt_broadcast_port, 1);
pthread_create(&tid_probe, NULL, &remove_array_thread, NULL);
pthread_create(&tid_client, NULL, &remove_client_array_thread, NULL);