Re: [PATCH 1/2] lockfile: allow file locking to be retried with a timeout

Signed-off-by: Michael Haggerty <redacted>
---

Notes (discussion):
    It would be easy to also add a hold_lock_file_for_append_timeout(),
    but I can't yet think of an application for it.

 lockfile.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 lockfile.h | 16 +++++++++++--
 2 files changed, 91 insertions(+), 4 deletions(-)

diff --git a/lockfile.c b/lockfile.c
index 9889277..30e65e9 100644
--- a/lockfile.c
+++ b/lockfile.c

@@ -157,6 +157,80 @@ static int lock_file(struct lock_file *lk, const char *path, int flags)
 	return lk->fd;
 }
 
+static int sleep_microseconds(long us)
+{
+	struct timeval tv;
+	tv.tv_sec = 0;
+	tv.tv_usec = us;
+	return select(0, NULL, NULL, NULL, &tv);
+}