int start_worker(int i)
{
int fd[2];
pid_t pid;
if(socketpair( AF_UNIX, SOCK_STREAM, 0, fd) < 0) {
perror( "socketpair()" );
return L_HTTP_FAIL;
}
if(set_nonblocking(fd[0]) == L_HTTP_FAIL ||
set_nonblocking(fd[1]) == L_HTTP_FAIL)
return L_HTTP_FAIL;
if ((pid = fork ()) == 0) {
printf("fork success: %d\n", getpid());
worker_main(fd);
exit(1);
}
else if(pid < 0){
syslog (LOG_INFO, "fork error");
printf("fork error");
return L_HTTP_FAIL;
}
workers[i].pid = pid;
workers[i].slot = i;
workers[i].fd[0] = fd[0];
workers[i].fd[1] = fd[1];
close(fd[1]);
return L_HTTP_SUCCESS;
}
void loop_run(int nthread)
{
int i, ret;
pthread_attr_t attr;
pthread_attr_init(&attr);
// pthread_t pthread_t用于声明线程ID。 typedef unsigned long int pthread_t;
pthread_t* tids = malloc(sizeof(pthread_t) * nthread);
for (i=0; i<nthread - 1; i++) {
// pthread_create是类Unix操作系统（Unix、Linux、Mac OS X等）的创建线程的函数。
// 第一个参数为指向线程标识符的指针。
// 第二个参数用来设置线程属性。
// 第三个参数是线程运行函数的起始地址。
if ((ret = pthread_create(tids + i, &attr, worker_main, NULL)) != 0) {
fprintf(stderr, "Can't create thread: %s\n",
strerror(ret));
exit(1);
}
}
worker_main(NULL);
// wait workers to stop
for (i=0; i<nthread - 1; i++) {
// http://flyingv.iteye.com/blog/776476
(void) pthread_join(tids[i], NULL);
pthread_detach(tids[i]);
}
free(tids);
aeApiFree(&loop);
}
pid_t start_worker(int passive_sock) {
pid_t pid;
if (!(pid = fork())) {
exit(worker_main(passive_sock));
}
return pid;
}
//
// FUNCTION: CSampleService::ServiceWorkerThread(void)
//
// PURPOSE: The method performs the main function of the service. It runs
// on a thread pool worker thread.
//
void CSampleService::ServiceWorkerThread(void)
{
// Periodically check if the service is stopping.
while (!m_fStopping)
{
// Perform main service function here...
worker_main();
::Sleep(2000); // Simulate some lengthy operations.
}
// Signal the stopped event.
SetEvent(m_hStoppedEvent);
}
int main(int argc, char *argv[])
{
const char *host = NULL;
int port = MPI_QUEUE_DEFAULT_PORT;
char addr[LINK_ADDRESS_MAX];
char c;
int w, rank;
signal(SIGTERM, handle_abort);
signal(SIGQUIT, handle_abort);
signal(SIGINT, handle_abort);
MPI_Init(&argc, &argv);
debug_config(argv[0]);
while((c = getopt(argc, argv, "d:ho:t:w:v")) != (char) -1) {
switch (c) {
case 'd':
debug_flags_set(optarg);
break;
case 't':
idle_timeout = string_time_parse(optarg);
break;
case 'o':
debug_config_file(optarg);
break;
case 'v':
show_version(argv[0]);
return 0;
case 'w':
w = string_metric_parse(optarg);
link_window_set(w, w);
break;
case 'h':
default:
show_help(argv[0]);
return 1;
}
}
if ((argc - optind) != 2) {
show_help(argv[0]);
return 1;
}
host = argv[optind];
port = atoi(argv[optind + 1]);
if(!domain_name_cache_lookup(host, addr)) {
fprintf(stderr, "couldn't lookup address of host %s\n", host);
exit(1);
}
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
if(rank) {
return worker_main();
} else {
return master_main(host, port, addr);
}
}
