platform_system_core/debuggerd/crasher.c

107 lines
2.1 KiB
C

//#include <cutils/misc.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sched.h>
#include <errno.h>
#include <signal.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include <sys/socket.h>
#include <pthread.h>
#include <cutils/sockets.h>
void crash1(void);
void crashnostack(void);
void maybeabort(void);
static void debuggerd_connect()
{
char tmp[1];
int s;
sprintf(tmp, "%d", gettid());
s = socket_local_client("android:debuggerd",
ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM);
if(s >= 0) {
read(s, tmp, 1);
close(s);
}
}
void test_call1()
{
*((int*) 32) = 1;
}
void *test_thread(void *x)
{
printf("crasher: thread pid=%d tid=%d\n", getpid(), gettid());
sleep(1);
test_call1();
printf("goodbye\n");
return 0;
}
void *noisy(void *x)
{
char c = (unsigned) x;
for(;;) {
usleep(250*1000);
write(2, &c, 1);
if(c == 'C') *((unsigned*) 0) = 42;
}
return 0;
}
int ctest()
{
pthread_t thr;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
pthread_create(&thr, &attr, noisy, (void*) 'A');
pthread_create(&thr, &attr, noisy, (void*) 'B');
pthread_create(&thr, &attr, noisy, (void*) 'C');
for(;;) ;
return 0;
}
int main(int argc, char **argv)
{
pthread_t thr;
pthread_attr_t attr;
fprintf(stderr,"crasher: " __TIME__ "!@\n");
fprintf(stderr,"crasher: init pid=%d tid=%d\n", getpid(), gettid());
if(argc > 1) {
if(!strcmp(argv[1],"nostack")) crashnostack();
if(!strcmp(argv[1],"ctest")) return ctest();
if(!strcmp(argv[1],"exit")) exit(1);
if(!strcmp(argv[1],"abort")) maybeabort();
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
pthread_create(&thr, &attr, test_thread, 0);
while(1) sleep(1);
} else {
crash1();
// *((int*) 0) = 42;
}
return 0;
}
void maybeabort()
{
if(time(0) != 42) abort();
}