diff options
| -rw-r--r-- | lib/libc/sys/Makefile.inc | 3 | ||||
| -rw-r--r-- | lib/libc/sys/getpgrp.2 | 17 |
2 files changed, 17 insertions, 3 deletions
diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc index e024bcb2416e..60056df89cde 100644 --- a/lib/libc/sys/Makefile.inc +++ b/lib/libc/sys/Makefile.inc @@ -1,5 +1,5 @@ # @(#)Makefile.inc 8.3 (Berkeley) 10/24/94 -# $Id: Makefile.inc,v 1.34 1997/06/01 09:47:06 peter Exp $ +# $Id: Makefile.inc,v 1.35 1997/08/19 06:23:45 peter Exp $ # sys sources .PATH: ${.CURDIR}/../libc/${MACHINE}/sys ${.CURDIR}/../libc/sys @@ -129,6 +129,7 @@ MLINKS+=clock_gettime.2 clock_settime.2 clock_gettime.2 clock_getres.2 MLINKS+=getgid.2 getegid.2 MLINKS+=getitimer.2 setitimer.2 MLINKS+=getlogin.2 setlogin.2 +MLINKS+=getpgrp.2 getpgid.2 MLINKS+=getpid.2 getppid.2 MLINKS+=getpriority.2 setpriority.2 MLINKS+=getrlimit.2 setrlimit.2 diff --git a/lib/libc/sys/getpgrp.2 b/lib/libc/sys/getpgrp.2 index 9780b19a5f80..6e9d1e4d2119 100644 --- a/lib/libc/sys/getpgrp.2 +++ b/lib/libc/sys/getpgrp.2 @@ -41,9 +41,15 @@ .Fd #include <unistd.h> .Ft pid_t .Fn getpgrp "void" +.Ft pid_t +.Fn getpgid "pid_t pid" .Sh DESCRIPTION The process group of the current process is returned by .Fn getpgrp . +The process group of the process identified by +.Fa pid +is returned by +.Fn getpgid . .Pp Process groups are used for distribution of signals, and by terminals to arbitrate requests for their input: processes @@ -64,12 +70,16 @@ calls are used to get/set the process group of the control terminal. .Sh SEE ALSO .Xr setpgid 2 , +.Xr getsid 2 , .Xr termios 4 .Sh HISTORY The .Fn getpgrp function call appeared in .Bx 4.0 . +The +.Fn getpgid +function call is derived from it's usage in System V Release 4. .Sh STANDARDS The .Fn getpgrp @@ -82,10 +92,10 @@ differs from past Berkeley versions by not taking a .Fa "pid_t pid" argument. This incompatibility is required by -.St -p1003.1-88 . +.St -p1003.1-90 . .Pp From the -.St -p1003.1-88 +.St -p1003.1-90 Rationale: .Pp .Bx 4.3 @@ -102,3 +112,6 @@ suffices, and the added complexity of the .Bx 4.3 .Fn getpgrp has been omitted from POSIX.1. +The old functionality is available from the +.Fn getpgid +function. |