|
|
This manual page is part of Xcode Tools version 3.2To obtain these tools:
If you are running a version of Xcode Tools other than 3.2, view the documentation locally:
Reading manual pagesManual pages are intended as a quick reference for people who already understand a technology.
|
SETSID(2) BSD System Calls Manual SETSID(2)
NAME
setsid -- create session and set process group ID
SYNOPSIS
#include <unistd.h>
pid_t
setsid(void);
DESCRIPTION
The setsid function creates a new session. The calling process is the session leader of the new ses-sion, session,
sion, is the process group leader of a new process group and has no controlling terminal. The calling
process is the only process in either the session or the process group.
Upon successful completion, the setsid function returns the value of the process group ID of the new
process group, which is the same as the process ID of the calling process.
ERRORS
If an error occurs, setsid returns -1 and the global variable errno is set to indicate the error, as
follows:
[EPERM] The calling process is already a process group leader, or the process group ID of a
process other than the calling process matches the process ID of the calling
process.
LEGACY SYNOPSIS
#include <sys/types.h>
#include <unistd.h>
The include file <sys/types.h> is necessary.
SEE ALSO
setpgid(3), tcgetpgrp(3), tcsetpgrp(3), compat(5)
STANDARDS
The setsid function is expected to be compliant with the IEEE Std 1003.1-1988 (``POSIX.1'') specifica-tion. specification.
tion.
BSD June 4, 1993 BSD
|
The way to report a problem with this manual page depends on the type of problem: