int main(int argc, char *argv[]) {
printf("I am: %d\n", (int) getpid());
pid_t pid = fork();
srand((int) pid);
if (pid < 0) {
perror("Fork failed!\n");
}
else if (pid == 0) {
printf("I am the child process with pid: %d, doing some work:\n", (int) getpid());
doSomeWork("child");
printf("child exiting...\n");
exit(42);
}
// must be the parent
printf("I am the parent process with pid: %d, and waiting for child: %d\n", (int) getpid(), pid);
sleep(10);
doSomeWork("parent");
int status = 0;
pid_t child_pid = wait(&status);
printf("parent knows child %d finished with status: %d\n", (int)child_pid, WEXITSTATUS(status));
return 0;
}
int main () {
pid_t proccessId = getpid();
printf("I am : %d \n",proccessId);
sleep(2);
pid_t pid = fork();
srand((int)pid);
printf("Fork returned: %d \n",(int)pid);
if(pid < 0) {
perror("Fork Failed !!");
}
if (pid == 0) {
printf("I am child with pid: %d\n",(int)getpid());
doSomeWork("CHILD");
exit(42);
} else if (pid > 0) {
printf("I am parrent and waiting child to end:\n");
sleep(30);
doSomeWork("PARENT");
int status = 0;
pid_t child_PID = wait(&status);
printf("Parent Know child %d finished with status %d...|\n",(int) child_PID,status);
int child_return_value = WEXITSTATUS(status);
printf(" \n Return value was -> %d \n",child_return_value);
}
return 0;
}
static void doSomeWork(double * a,int low, int high)
{
if (high-low>300) {
int mid=(high+low)>>1;
cilk_spawn doSomeWork(a,low,mid);
doSomeWork(a,mid,high);
cilk_sync;
} else {
void* threadInit(void *p){
int *returnValue = (int*)p;
try{
doSomeWork(pthread_self(), *returnValue);
}
catch(ThreadExitException ex){
ex.doThreadExit();
}
return 0;
}
void TunnelRenderer::StreamSource::onBufferAvailable(size_t index) {
CHECK_LT(index, mBuffers.size());
{
Mutex::Autolock autoLock(mLock);
mIndicesAvailable.push_back(index);
}
doSomeWork();
}
