add getpgid(2) from NetBSD

6 files changed, 34 insertions, 6 deletions

diff --git a/sys/kern/init_sysent.c b/sys/kern/init_sysent.c
index 550a3a01517..6c687ec5e94 100644
--- a/sys/kern/init_sysent.c
+++ b/sys/kern/init_sysent.c
@@ -500,8 +500,8 @@ struct sysent sysent[] = {
 	    sys_undelete },			/* 205 = undelete */
 	{ 2, s(struct sys_futimes_args),
 	    sys_futimes },			/* 206 = futimes */
-	{ 0, 0,
-	    sys_nosys },			/* 207 = unimplemented */
+	{ 1, s(struct sys_getpgid_args),
+	    sys_getpgid },			/* 207 = getpgid */
 	{ 0, 0,
 	    sys_nosys },			/* 208 = unimplemented */
 	{ 0, 0,
diff --git a/sys/kern/kern_prot.c b/sys/kern/kern_prot.c
index c7d18bf7ad8..0c3d62a4761 100644
--- a/sys/kern/kern_prot.c
+++ b/sys/kern/kern_prot.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kern_prot.c,v 1.8 1997/03/29 08:58:03 tholo Exp $	*/
+/*	$OpenBSD: kern_prot.c,v 1.9 1997/05/30 21:43:34 kstailey Exp $	*/
 /*	$NetBSD: kern_prot.c,v 1.33 1996/02/09 18:59:42 christos Exp $	*/
 
 /*
@@ -97,6 +97,28 @@ sys_getpgrp(p, v, retval)
 	return (0);
 }
 
+/*
+ * SysVR.4 compatible getpgid()
+ */
+int
+sys_getpgid(p, v, retval)
+	struct proc *p;
+	void *v;
+	register_t *retval;
+{
+	register struct sys_getpgid_args /* {
+		syscallarg(pid_t) pid;
+	} */ *uap = v;
+
+	if (SCARG(uap, pid) == 0)
+		goto found;
+	if ((p = pfind(SCARG(uap, pid))) == 0)
+		return (ESRCH);
+found:
+	*retval = p->p_pgid;
+	return 0;
+}
+
 /* ARGSUSED */
 int
 sys_getuid(p, v, retval)
diff --git a/sys/kern/syscalls.c b/sys/kern/syscalls.c
index 5c0b661a307..a30bc955f75 100644
--- a/sys/kern/syscalls.c
+++ b/sys/kern/syscalls.c
@@ -253,7 +253,7 @@ char *syscallnames[] = {
 	"munlock",			/* 204 = munlock */
 	"undelete",			/* 205 = undelete */
 	"futimes",			/* 206 = futimes */
-	"#207 (unimplemented)",		/* 207 = unimplemented */
+	"getpgid",			/* 207 = getpgid */
 	"#208 (unimplemented)",		/* 208 = unimplemented */
 	"#209 (unimplemented)",		/* 209 = unimplemented */
 #ifdef LKM
diff --git a/sys/kern/syscalls.master b/sys/kern/syscalls.master
index 4c0d4a2c79d..1830c1558ea 100644
--- a/sys/kern/syscalls.master
+++ b/sys/kern/syscalls.master
@@ -1,4 +1,4 @@
-	$OpenBSD: syscalls.master,v 1.14 1997/04/20 20:48:27 tholo Exp $
+	$OpenBSD: syscalls.master,v 1.15 1997/05/30 21:43:33 kstailey Exp $
 ;	$NetBSD: syscalls.master,v 1.32 1996/04/23 10:24:21 mycroft Exp $
 
 ;	@(#)syscalls.master	8.2 (Berkeley) 1/13/94
@@ -365,7 +365,7 @@
 204	STD		{ int sys_munlock(caddr_t addr, size_t len); }
 205	STD		{ int sys_undelete(char *path); }
 206	STD		{ int sys_futimes(int fd, struct timeval *tptr); }
-207	UNIMPL
+207	STD		{ int sys_getpgid(pid_t pid); }
 208	UNIMPL
 209	UNIMPL
 ;
diff --git a/sys/sys/syscall.h b/sys/sys/syscall.h
index 005a8826a1d..870b341d97d 100644
--- a/sys/sys/syscall.h
+++ b/sys/sys/syscall.h
@@ -194,6 +194,7 @@
 #define	SYS_munlock	204
 #define	SYS_undelete	205
 #define	SYS_futimes	206
+#define	SYS_getpgid	207
 #define	SYS___semctl	220
 #define	SYS_semget	221
 #define	SYS_semop	222
diff --git a/sys/sys/syscallargs.h b/sys/sys/syscallargs.h
index 0eb2922c74d..db970fc0454 100644
--- a/sys/sys/syscallargs.h
+++ b/sys/sys/syscallargs.h
@@ -882,6 +882,10 @@ struct sys_futimes_args {
 	syscallarg(struct timeval *) tptr;
 };
 
+struct sys_getpgid_args {
+	syscallarg(pid_t) pid;
+};
+
 struct sys___semctl_args {
 	syscallarg(int) semid;
 	syscallarg(int) semnum;
@@ -1206,6 +1210,7 @@ int	sys_mlock	__P((struct proc *, void *, register_t *));
 int	sys_munlock	__P((struct proc *, void *, register_t *));
 int	sys_undelete	__P((struct proc *, void *, register_t *));
 int	sys_futimes	__P((struct proc *, void *, register_t *));
+int	sys_getpgid	__P((struct proc *, void *, register_t *));
 #ifdef LKM
 int	sys_lkmnosys	__P((struct proc *, void *, register_t *));
 int	sys_lkmnosys	__P((struct proc *, void *, register_t *));