[OSS-Tools] [PATCH dt-utils] state: use /run to store lockfile

[Stefan Agner <stefan@agner.ch>]

The current location /var/lock is considered legacy (at least by
systemd). Just use /run to store the lockfile and append the usual .lock
suffix.

Signed-off-by: Stefan Agner <stefan@agner.ch>
---
 src/barebox-state.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/barebox-state.c b/src/barebox-state.c
index 946a8db..16a8c9f 100644
--- a/src/barebox-state.c
+++ b/src/barebox-state.c
@@ -38,6 +38,8 @@
 #include <dt/dt.h>
 #include <state.h>
 
+#define BAREBOX_STATE_LOCKFILE "/run/barebox-state.lock"
+
 struct state_variable;
 
 static int __state_uint8_set(struct state_variable *var, const char *val);
@@ -505,15 +507,15 @@ int main(int argc, char *argv[])
 		++nr_states;
 	}
 
-	lock_fd = open("/var/lock/barebox-state", O_CREAT | O_RDWR, 0600);
+	lock_fd = open(BAREBOX_STATE_LOCKFILE, O_CREAT | O_RDWR, 0600);
 	if (lock_fd < 0) {
-		pr_err("Failed to open lock-file /var/lock/barebox-state\n");
+		pr_err("Failed to open lock-file " BAREBOX_STATE_LOCKFILE "\n");
 		exit(1);
 	}
 
 	ret = flock(lock_fd, LOCK_EX);
 	if (ret < 0) {
-		pr_err("Failed to lock /var/lock/barebox-state: %m\n");
+		pr_err("Failed to lock " BAREBOX_STATE_LOCKFILE ": %m\n");
 		close(lock_fd);
 		exit(1);
 	}
-- 
2.29.2


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