diff options
Diffstat (limited to 'lib/libc/sys/setsid.2')
| -rw-r--r-- | lib/libc/sys/setsid.2 | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/lib/libc/sys/setsid.2 b/lib/libc/sys/setsid.2 index 48ac6a0..73d437d 100644 --- a/lib/libc/sys/setsid.2 +++ b/lib/libc/sys/setsid.2 @@ -31,36 +31,39 @@ .\" .\" @(#)setsid.2 8.1 (Berkeley) 6/4/93 .\" -.Dd "June 4, 1993" +.Dd June 4, 1993 .Dt SETSID 2 .Os .Sh NAME .Nm setsid .Nd create session and set process group ID .Sh SYNOPSIS -.Fd #include <sys/types.h> +.Fd #include <unistd.h> .Ft pid_t .Fn setsid "void" .Sh DESCRIPTION The -.Nm setsid +.Fn setsid function creates a new session. The calling process is the session leader of the new session, 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. -.Pp +.Sh RETURN VALUES Upon successful completion, the -.Nm setsid +.Fn 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. -.Sh ERRORS If an error occurs, -.Nm setsid +.Fn setsid returns -1 and the global variable .Va errno -is set to indicate the error, as follows: +is set to indicate the error. +.Sh ERRORS +The +.Fn setsid +function will fail if: .Bl -tag -width Er .It Bq Er EPERM The calling process is already a process group leader, or the process @@ -68,12 +71,12 @@ group ID of a process other than the calling process matches the process ID of the calling process. .El .Sh SEE ALSO -.Xr setpgid 3 , +.Xr setpgid 2 , .Xr tcgetpgrp 3 , .Xr tcsetpgrp 3 .Sh STANDARDS The -.Nm setsid +.Fn setsid function is expected to be compliant with the -.St -p1003.1-88 +.St -p1003.1-90 specification. |
