[git commit] adjtimex: make it NOFORK

[Denys Vlasenko]

commit: https://git.busybox.net/busybox/commit/?id=ed7d118dd0cfda7be21dafae5eb34b0d419f62ec
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 NOFORK_NOEXEC.lst    | 2 +-
 miscutils/adjtimex.c | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/NOFORK_NOEXEC.lst b/NOFORK_NOEXEC.lst
index 99af243..97b7d8b 100644
--- a/NOFORK_NOEXEC.lst
+++ b/NOFORK_NOEXEC.lst
@@ -39,7 +39,7 @@ acpid - daemon
 add-shell
 addgroup
 adduser
-adjtimex
+adjtimex - NOFORK
 ar - runner
 arch - NOFORK
 arp - complex, rare
diff --git a/miscutils/adjtimex.c b/miscutils/adjtimex.c
index a39c4f5..ce6f8cc 100644
--- a/miscutils/adjtimex.c
+++ b/miscutils/adjtimex.c
@@ -18,7 +18,7 @@
 //config:	Adjtimex reads and optionally sets adjustment parameters for
 //config:	the Linux clock adjustment algorithm.
 
-//applet:IF_ADJTIMEX(APPLET(adjtimex, BB_DIR_SBIN, BB_SUID_DROP))
+//applet:IF_ADJTIMEX(APPLET_NOFORK(adjtimex, adjtimex, BB_DIR_SBIN, BB_SUID_DROP, adjtimex))
 
 //kbuild:lib-$(CONFIG_ADJTIMEX) += adjtimex.o
 
@@ -116,6 +116,11 @@ int adjtimex_main(int argc UNUSED_PARAM, char **argv)
 		txc.modes |= ADJ_TICK;
 	}
 
+	/* It's NOFORK applet because the code is very simple:
+	 * just some printf. No opens, no allocs.
+	 * If you need to make it more complex, feel free to downgrade to NOEXEC
+	 */
+
 	ret = adjtimex(&txc);
 	if (ret < 0)
 		bb_perror_nomsg_and_die();