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-.TH TCGETPGRP 3 2003-01-28 "GNU" "Linux Programmer's Manual"
+.TH TCGETPGRP 3 2014-01-13 "GNU" "Linux Programmer's Manual"
.SH NAME
tcgetpgrp, tcsetpgrp \- get and set terminal foreground process group
.SH SYNOPSIS
.I pgrp
has a supported value, but is not the process group ID of a
process in the same session as the calling process.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR tcgetpgrp ()
+and
+.BR tcsetpgrp ()
+functions are thread-safe.
.SH CONFORMING TO
POSIX.1-2001.
.SH NOTES