From 3c6c07733f12176c737d1f610f0dceafd07437df Mon Sep 17 00:00:00 2001 From: lilydjwg Date: Sun, 23 Sep 2018 22:12:56 +0800 Subject: [PATCH] Call fsync after writing out new histfile to ensure the data is on disk before the rename in case of a system crash. --- Src/hist.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Src/hist.c b/Src/hist.c index dbdc1e4e5..d3370252d 100644 --- a/Src/hist.c +++ b/Src/hist.c @@ -2933,6 +2933,10 @@ savehistfile(char *fn, int err, int writeflags) lasthist.text = ztrdup(start); } } + if (ret >= 0) + ret = fflush(out); /* need to flush before fsync */ + if (ret >= 0 && fsync(fileno(out)) < 0) + ret = -1; if (fclose(out) < 0 && ret >= 0) ret = -1; if (ret >= 0) { -- 2.19.0