<TITLE>setsid</TITLE> <body bgcolor="#ffffcc"> <hr> <pre> <h3>SETSID(2) System calls SETSID(2) </h3> <h3>NAME </h3> setsid - creates a session and sets the process group ID <h3>SYNOPSIS </h3> #include <unistd.h> pid_t setsid(void); <h3>DESCRIPTION </h3> setsid() creates a new session if the calling process is not a process group leader. The calling process is the leader of the new session, the process group leader if the new process group, and has no controlling tty. The pro- cess group ID of the calling process is set to the PID of the calling process. The calling process will be the only process in this new process group and in this new session. <h3>RETURN VALUE </h3> The process group ID of the calling process. <h3>ERRORS </h3> On error, -1 will be returned. The only error which can happen is EPERM. <h3>CONFORMING TO </h3> POSIX </pre> <hr> <h3>SEE ALSO </h3><p> <a href=setpgid.htm>setpgid</a>, <pre> Aug 27, 1994 1 </pre> <P> <hr> <p> <center> <table border=2 width=80%> <tr align=center> <td width=25%> <a href=../index.htm>Top</a> </td><td width=25%> <a href=../master_index.html>Master Index</a> </td><td width=25%> <a href=../SYNTAX/keywords.html>Keywords</a> </td><td width=25%> <a href=../FUNCTIONS/index.htm>Functions</a> </td> </tr> </table> </center> <p> <hr> This manual page was brought to you by <i>mjl_man V-2.0</i>
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