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Programming Interfaces Guide     Oracle Solaris 11.1 Information Library
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Document Information

Preface

1.  Memory and CPU Management

2.  Session Description Protocol API

3.  Process Scheduler

4.  Locality Group APIs

5.  Input/Output Interfaces

6.  Interprocess Communication

7.  Socket Interfaces

8.  Programming With XTI and TLI

9.  Packet Filtering Hooks

10.  Transport Selection and Name-to-Address Mapping

11.  Real-time Programming and Administration

12.  The Oracle Solaris ABI and ABI Tools

A.  UNIX Domain Sockets

Creating Sockets

Local Name Binding

Establishing a Connection

Index

Establishing a Connection

Connection establishment is usually asymmetric. One process acts as the client and the other as the server. The server binds a socket to a well-known address associated with the service and blocks on its socket for a connect request. An unrelated process can then connect to the server. The client requests services from the server by initiating a connection to the server's socket. On the client side, the connect(3SOCKET) call initiates a connection. In the UNIX family, this might appear as:

struct sockaddr_un server;
        server.sun.family = AF_UNIX;
         ...
        connect(s, (struct sockaddr *)&server, strlen(server.sun_path) 
         + sizeof (server.sun_family));

See Connection Errors for information on connection errors. Data Transfer tells you how to transfer data. Closing Sockets tells you how to close a socket.