개요

• 솔라나라에 설명된 어플리케이션에 대해 맨 페이지를 찾아 출력한다.
• MAN 페이지에 대한 설명은 윈디하나의 솔라나라: MAN 페이지을 참고하자.
• svcadm(1M)을 검색하려면 섹션에서 1M 을 선택하고, 맨 페이지 이름에 svcadm을 입력하고 검색을 누른다.

listen(3c)

Standard C Library Functions                                        listen(3C)



NAME
       listen  - listen for socket connections and limit the queue of incoming
       connections

SYNOPSIS
       #include <sys/socket.h>

       int listen(int socket, int backlog);

DESCRIPTION
       The listen() function marks a connection-mode socket, specified by  the
       socket  argument,  as  accepting  connections, and limits the number of
       outstanding connections in the socket's listen queue to the value spec‐
       ified by the backlog argument.


       If  listen()  is called with a backlog argument value that is less than
       0, the function sets the length of the socket's listen queue to 0.


       The implementation may include incomplete connections in the queue sub‐
       ject to the queue limit. The implementation may also increase the spec‐
       ified queue limit internally if it includes such incomplete connections
       in the queue subject to this limit.


       Implementations  may  limit the length of the socket's listen queue. If
       backlog exceeds the implementation-dependent maximum queue length,  the
       length  of  the  socket's  listen queue will be set to the maximum sup‐
       ported value.


       The socket in use may require the process to  have  appropriate  privi‐
       leges to use the listen() function.

RETURN VALUES
       Upon  successful  completions,  listen()  returns  0.  Otherwise, −1 is
       returned and errno is set to indicate the error.

ERRORS
       The listen() function will fail if:

       EBADF           The socket argument is not a valid file descriptor.


       EDESTADDRREQ    The socket is not bound to a  local  address,  and  the
                       protocol  does  not  support  listening  on  an unbound
                       socket.


       EINVAL          The socket is already connected.


       ENOTSOCK        The socket argument does not refer to a socket.


       EOPNOTSUPP      The socket protocol does not support listen().



       The listen() function may fail if:

       EACCES     The calling process does not  have  the  appropriate  privi‐
                  leges.


       EINVAL     The socket has been shut down.


       ENOBUFS    Insufficient  resources  are available in the system to com‐
                  plete the call.


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE  TYPEAT‐
       TRIBUTE  VALUE  _  Interface StabilityCommitted _ MT-LevelAsync-Signal-
       Safe _ StandardSee standards(7).


SEE ALSO
       accept(3C), connect(3C), socket(3C), attributes(7), standards(7)

HISTORY
       The listen() function has been present since  the  initial  release  of
       Solaris.



Oracle Solaris 11.4               2 Feb 2021                        listen(3C)