Exemplos de evsignal_init em C++ (Cpp)

Exemplo n.º 1

Arquivo: devpoll.c Projeto: hpc/cce-mpi-openmpi-1.4.3

static void *
devpoll_init(struct event_base *base)
{
	int dpfd, nfiles = NEVENT;
	struct rlimit rl;
	struct devpollop *devpollop;

	/* Disable devpoll when this environment variable is set */
	if (getenv("EVENT_NODEVPOLL"))
		return (NULL);

	if (!(devpollop = calloc(1, sizeof(struct devpollop))))
		return (NULL);

	if (getrlimit(RLIMIT_NOFILE, &rl) == 0 &&
	    rl.rlim_cur != RLIM_INFINITY)
		nfiles = rl.rlim_cur - 1;

	/* Initialize the kernel queue */
	if ((dpfd = open("/dev/poll", O_RDWR)) == -1) {
                event_warn("open: /dev/poll");
		free(devpollop);
		return (NULL);
	}

	devpollop->dpfd = dpfd;

	/* Initialize fields */
	devpollop->events = calloc(nfiles, sizeof(struct pollfd));
	if (devpollop->events == NULL) {
		free(devpollop);
		close(dpfd);
		return (NULL);
	}
	devpollop->nevents = nfiles;

	devpollop->fds = calloc(nfiles, sizeof(struct evdevpoll));
	if (devpollop->fds == NULL) {
		free(devpollop->events);
		free(devpollop);
		close(dpfd);
		return (NULL);
	}
	devpollop->nfds = nfiles;

	devpollop->changes = calloc(nfiles, sizeof(struct pollfd));
	if (devpollop->changes == NULL) {
		free(devpollop->fds);
		free(devpollop->events);
		free(devpollop);
		close(dpfd);
		return (NULL);
	}

	evsignal_init(base);

	return (devpollop);
}

Exemplo n.º 2

Arquivo: epoll.c Projeto: Akin-Net/mozilla-central

static void *
epoll_init(struct event_base *base)
{
	int epfd, nfiles = NEVENT;
	struct rlimit rl;
	struct epollop *epollop;

	/* Disable epollueue when this environment variable is set */
	if (getenv("EVENT_NOEPOLL"))
		return (NULL);

	if (getrlimit(RLIMIT_NOFILE, &rl) == 0 &&
	    rl.rlim_cur != RLIM_INFINITY) {
		/*
		 * Solaris is somewhat retarded - it's important to drop
		 * backwards compatibility when making changes.  So, don't
		 * dare to put rl.rlim_cur here.
		 */
		nfiles = rl.rlim_cur - 1;
	}

	/* Initalize the kernel queue */

	if ((epfd = epoll_create(nfiles)) == -1) {
		if (errno != ENOSYS)
			event_warn("epoll_create");
		return (NULL);
	}

	FD_CLOSEONEXEC(epfd);

	if (!(epollop = calloc(1, sizeof(struct epollop))))
		return (NULL);

	epollop->epfd = epfd;

	/* Initalize fields */
	epollop->events = malloc(nfiles * sizeof(struct epoll_event));
	if (epollop->events == NULL) {
		free(epollop);
		return (NULL);
	}
	epollop->nevents = nfiles;

	epollop->fds = calloc(nfiles, sizeof(struct evepoll));
	if (epollop->fds == NULL) {
		free(epollop->events);
		free(epollop);
		return (NULL);
	}
	epollop->nfds = nfiles;

	evsignal_init(base);

	return (epollop);
}

Exemplo n.º 3

Arquivo: epoll.c Projeto: MichaelSchmid/cisco-vqe-client

void *
epoll_init(void)
{
	int epfd, nfiles = NEVENT;
	struct rlimit rl;
	struct epollop *epollop;

	/* Disable epollueue when this environment variable is set */
	if (getenv("EVENT_NOEPOLL"))
		return (NULL);

	if (getrlimit(RLIMIT_NOFILE, &rl) == 0 &&
	    rl.rlim_cur != RLIM_INFINITY)
		nfiles = rl.rlim_cur;

	/* Initalize the kernel queue */

	if ((epfd = epoll_create(nfiles)) == -1) {
                event_warn("epoll_create");
		return (NULL);
	}

	FD_CLOSEONEXEC(epfd);

	if (!(epollop = calloc(1, sizeof(struct epollop))))
		return (NULL);

	epollop->epfd = epfd;

	/* Initalize fields */
	epollop->events = malloc(nfiles * sizeof(struct epoll_event));
	if (epollop->events == NULL) {
		free(epollop);
		return (NULL);
	}
	epollop->nevents = nfiles;

	epollop->fds = calloc(nfiles, sizeof(struct evepoll));
	if (epollop->fds == NULL) {
		free(epollop->events);
		free(epollop);
		return (NULL);
	}
	epollop->nfds = nfiles;

	evsignal_init(&epollop->evsigmask);

	return (epollop);
}

Exemplo n.º 4

Arquivo: poll.c Projeto: venkatarajasekhar/Qt

static void *
poll_init(struct event_base *base)
{
	struct pollop *pollop;

	/* Disable poll when this environment variable is set */
	if (evutil_getenv("EVENT_NOPOLL"))
		return (NULL);

	if (!(pollop = calloc(1, sizeof(struct pollop))))
		return (NULL);

	evsignal_init(base);

	return (pollop);
}

Exemplo n.º 5

void *
poll_init(void)
{
	struct pollop *pollop;

	/* Disable poll when this environment variable is set */
	if (getenv("EVENT_NOPOLL"))
		return (NULL);

	if (!(pollop = calloc(1, sizeof(struct pollop))))
		return (NULL);

	evsignal_init();

	return (pollop);
}

Exemplo n.º 6

Arquivo: epoll.c Projeto: Amplifying/intensityengine

static void *
epoll_init(struct event_base *base)
{
	int epfd, nfiles = NEVENT;
	struct rlimit rl;
	struct epollop *epollop;

	/* Disable epollueue when this environment variable is set */
	if (getenv("EVENT_NOEPOLL"))
		return (NULL);

	/* Initalize the kernel queue */

	if ((epfd = epoll_create(nfiles)) == -1) {
		if (errno != ENOSYS)
			event_warn("epoll_create");
		return (NULL);
	}

	FD_CLOSEONEXEC(epfd);

	if (!(epollop = calloc(1, sizeof(struct epollop))))
		return (NULL);

	epollop->epfd = epfd;

	/* Initalize fields */
	epollop->events = malloc(nfiles * sizeof(struct epoll_event));
	if (epollop->events == NULL) {
		free(epollop);
		return (NULL);
	}
	epollop->nevents = nfiles;

	epollop->fds = calloc(nfiles, sizeof(struct evepoll));
	if (epollop->fds == NULL) {
		free(epollop->events);
		free(epollop);
		return (NULL);
	}
	epollop->nfds = nfiles;

	evsignal_init(base);

	return (epollop);
}

Exemplo n.º 7

Arquivo: epoll.c Projeto: kevin-gjm/libevent-1.4.13

static void *
epoll_init(struct event_base *base)
{
	int epfd;
	struct epollop *epollop;

	/* Disable epollueue when this environment variable is set */
	if (evutil_getenv("EVENT_NOEPOLL"))
		return (NULL);

	/* Initalize the kernel queue */
	if ((epfd = epoll_create(32000)) == -1) {
		if (errno != ENOSYS)
			event_warn("epoll_create");
		return (NULL);
	}

	//fcntl(epfd,F_SETFD,1)//将1设置给epfd
	FD_CLOSEONEXEC(epfd);

	if (!(epollop = calloc(1, sizeof(struct epollop))))
		return (NULL);

	epollop->epfd = epfd;
	//将nfd初始值为32大小，nevents同样如此.相应空间也会进行申请
	/* Initalize fields */
	epollop->events = malloc(INITIAL_NEVENTS * sizeof(struct epoll_event));
	if (epollop->events == NULL) {
		free(epollop);
		return (NULL);
	}
	epollop->nevents = INITIAL_NEVENTS;

	epollop->fds = calloc(INITIAL_NFILES, sizeof(struct evepoll));
	if (epollop->fds == NULL) {
		free(epollop->events);
		free(epollop);
		return (NULL);
	}
	epollop->nfds = INITIAL_NFILES;

	//创建socket pair 
	evsignal_init(base);

	return (epollop);
}

Exemplo n.º 8

Arquivo: select.c Projeto: bluhm/libevent

static void *
select_init(struct event_base *base)
{
	struct selectop *sop;

	/* Disable select when this environment variable is set */
	if (!issetugid() && getenv("EVENT_NOSELECT"))
		return (NULL);

	if (!(sop = calloc(1, sizeof(struct selectop))))
		return (NULL);

	select_resize(sop, howmany(32 + 1, NFDBITS)*sizeof(fd_mask));

	evsignal_init(base);

	return (sop);
}

Exemplo n.º 9

Arquivo: epoll.c Projeto: qtekfun/htcDesire820Kernel

static void *
epoll_init(struct event_base *base)
{
	int epfd;
	struct epollop *epollop;

	
	if (evutil_getenv("EVENT_NOEPOLL"))
		return (NULL);

	
	if ((epfd = epoll_create(32000)) == -1) {
		if (errno != ENOSYS)
			event_warn("epoll_create");
		return (NULL);
	}

	FD_CLOSEONEXEC(epfd);

	if (!(epollop = calloc(1, sizeof(struct epollop))))
		return (NULL);

	epollop->epfd = epfd;

	
	epollop->events = malloc(INITIAL_NEVENTS * sizeof(struct epoll_event));
	if (epollop->events == NULL) {
		free(epollop);
		return (NULL);
	}
	epollop->nevents = INITIAL_NEVENTS;

	epollop->fds = calloc(INITIAL_NFILES, sizeof(struct evepoll));
	if (epollop->fds == NULL) {
		free(epollop->events);
		free(epollop);
		return (NULL);
	}
	epollop->nfds = INITIAL_NFILES;

	evsignal_init(base);

	return (epollop);
}

Exemplo n.º 10

Arquivo: evport.c Projeto: andbrain/warc-tools

static void*
evport_init (struct event_base *base)
{

  struct evport_data *evpd;
  int i;
  /*
   * Disable event ports when this environment variable is set
   */

  if (getenv ("EVENT_NOEVPORT") )
    return (NULL);

  if (! (evpd = calloc (1, sizeof (struct evport_data) ) ) )
    return (NULL);

  if ( (evpd->ed_port = port_create() ) == -1)
    {
      free (evpd);
      return (NULL);
    }

  /*
   * Initialize file descriptor structure
   */
  evpd->ed_fds = calloc (DEFAULT_NFDS, sizeof (struct fd_info) );

  if (evpd->ed_fds == NULL)
    {
      close (evpd->ed_port);
      free (evpd);
      return (NULL);
    }

  evpd->ed_nevents = DEFAULT_NFDS;

  for (i = 0; i < EVENTS_PER_GETN; i++)
    evpd->ed_pending[i] = -1;

  evsignal_init (base);

  return (evpd);
}

Exemplo n.º 11

Arquivo: epoll.c Projeto: hzsunzixiang/programming

void *
epoll_init(void)
{
	int epfd, nfiles = NEVENT;
	struct rlimit rl;

	/* Disable epollueue when this environment variable is set */
	if (getenv("EVENT_NOEPOLL"))
		return (NULL);

	memset(&epollop, 0, sizeof(epollop));

	if (getrlimit(RLIMIT_NOFILE, &rl) == 0 &&
	    rl.rlim_cur != RLIM_INFINITY)
		nfiles = rl.rlim_cur;

	/* Initalize the kernel queue */

	if ((epfd = epoll_create(nfiles)) == -1) {
		log_error("epoll_create");
		return (NULL);
	}

	epollop.epfd = epfd;

	/* Initalize fields */
	epollop.events = malloc(nfiles * sizeof(struct epoll_event));
	if (epollop.events == NULL)
		return (NULL);
	epollop.nevents = nfiles;

	epollop.fds = calloc(nfiles, sizeof(struct evepoll));
	if (epollop.fds == NULL) {
		free(epollop.events);
		return (NULL);
	}
	epollop.nfds = nfiles;

	evsignal_init(&epollop.evsigmask);

	return (&epollop);
}