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authormux <mux@FreeBSD.org>2002-05-05 23:47:41 +0000
committermux <mux@FreeBSD.org>2002-05-05 23:47:41 +0000
commitb2f5ccfa53b23c3e6406e04932e9bcf5bed60eaa (patch)
treeee73278f756ea404482f718fab8e7bd5320a4ceb /sys/kern
parent07314cd73a922e08912adf63c1b4845e85a54563 (diff)
downloadFreeBSD-src-b2f5ccfa53b23c3e6406e04932e9bcf5bed60eaa.zip
FreeBSD-src-b2f5ccfa53b23c3e6406e04932e9bcf5bed60eaa.tar.gz
Add the lchflags(2) syscall.
Reviewed by: rwatson
Diffstat (limited to 'sys/kern')
-rw-r--r--sys/kern/init_sysent.c3
-rw-r--r--sys/kern/syscalls.c3
-rw-r--r--sys/kern/vfs_extattr.c23
-rw-r--r--sys/kern/vfs_syscalls.c23
4 files changed, 50 insertions, 2 deletions
diff --git a/sys/kern/init_sysent.c b/sys/kern/init_sysent.c
index b212aaf..567ce4b 100644
--- a/sys/kern/init_sysent.c
+++ b/sys/kern/init_sysent.c
@@ -3,7 +3,7 @@
*
* DO NOT EDIT-- this file is automatically generated.
* $FreeBSD$
- * created from FreeBSD: src/sys/kern/syscalls.master,v 1.109 2002/04/14 05:31:47 alc Exp
+ * created from FreeBSD: src/sys/kern/syscalls.master,v 1.111 2002/05/05 23:37:44 mux Exp
*/
#include "opt_compat.h"
@@ -413,4 +413,5 @@ struct sysent sysent[] = {
{ 0, (sy_call_t *)nosys }, /* 388 = __mac_set_fd */
{ 0, (sy_call_t *)nosys }, /* 389 = __mac_set_file */
{ AS(kenv_args), (sy_call_t *)kenv }, /* 390 = kenv */
+ { AS(lchflags_args), (sy_call_t *)lchflags }, /* 391 = lchflags */
};
diff --git a/sys/kern/syscalls.c b/sys/kern/syscalls.c
index 34a1382..7b0b49e 100644
--- a/sys/kern/syscalls.c
+++ b/sys/kern/syscalls.c
@@ -3,7 +3,7 @@
*
* DO NOT EDIT-- this file is automatically generated.
* $FreeBSD$
- * created from FreeBSD: src/sys/kern/syscalls.master,v 1.109 2002/04/14 05:31:47 alc Exp
+ * created from FreeBSD: src/sys/kern/syscalls.master,v 1.111 2002/05/05 23:37:44 mux Exp
*/
char *syscallnames[] = {
@@ -398,4 +398,5 @@ char *syscallnames[] = {
"#388", /* 388 = __mac_set_fd */
"#389", /* 389 = __mac_set_file */
"kenv", /* 390 = kenv */
+ "lchflags", /* 391 = lchflags */
};
diff --git a/sys/kern/vfs_extattr.c b/sys/kern/vfs_extattr.c
index 1db5510..f256e9e 100644
--- a/sys/kern/vfs_extattr.c
+++ b/sys/kern/vfs_extattr.c
@@ -2894,6 +2894,29 @@ chflags(td, uap)
}
/*
+ * Same as chflags() but doesn't follow symlinks.
+ */
+int
+lchflags(td, uap)
+ struct thread *td;
+ register struct lchflags_args /* {
+ syscallarg(char *) path;
+ syscallarg(int) flags;
+ } */ *uap;
+{
+ int error;
+ struct nameidata nd;
+
+ NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, SCARG(uap, path), td);
+ if ((error = namei(&nd)) != 0)
+ return (error);
+ NDFREE(&nd, NDF_ONLY_PNBUF);
+ error = setfflags(td, nd.ni_vp, SCARG(uap, flags));
+ vrele(nd.ni_vp);
+ return error;
+}
+
+/*
* Change flags of a file given a file descriptor.
*/
#ifndef _SYS_SYSPROTO_H_
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index 1db5510..f256e9e 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -2894,6 +2894,29 @@ chflags(td, uap)
}
/*
+ * Same as chflags() but doesn't follow symlinks.
+ */
+int
+lchflags(td, uap)
+ struct thread *td;
+ register struct lchflags_args /* {
+ syscallarg(char *) path;
+ syscallarg(int) flags;
+ } */ *uap;
+{
+ int error;
+ struct nameidata nd;
+
+ NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, SCARG(uap, path), td);
+ if ((error = namei(&nd)) != 0)
+ return (error);
+ NDFREE(&nd, NDF_ONLY_PNBUF);
+ error = setfflags(td, nd.ni_vp, SCARG(uap, flags));
+ vrele(nd.ni_vp);
+ return error;
+}
+
+/*
* Change flags of a file given a file descriptor.
*/
#ifndef _SYS_SYSPROTO_H_
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