[PATCH 6/8] os: Make sure that writing our pid to the lock file actually worked

[Keith Packard]

There's no sense verifying that we can create the lock file and then
ignoring the return value from write.

Signed-off-by: Keith Packard <keithp at keithp.com>
---
 os/utils.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/os/utils.c b/os/utils.c
index 6e6974e..83d85cd 100644
--- a/os/utils.c
+++ b/os/utils.c
@@ -313,7 +313,8 @@ LockServer(void)
     if (lfd < 0)
         FatalError("Could not create lock file in %s\n", tmp);
     snprintf(pid_str, sizeof(pid_str), "%10ld\n", (long) getpid());
-    (void) write(lfd, pid_str, 11);
+    if (write(lfd, pid_str, 11) != 11)
+        FatalError("Could not write pid to lock file in %s\n", tmp);
     (void) fchmod(lfd, 0444);
     (void) close(lfd);
 
-- 
1.9.2