From 843d2643849a1ec63034012c8fe50bfaad23190b Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sat, 15 May 2010 17:25:08 +0200
Subject: log: rework logging logic so that we don't keep /dev/console open

---
 util.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'util.c')

diff --git a/util.c b/util.c
index f8b3f44ad1..5df811d038 100644
--- a/util.c
+++ b/util.c
@@ -1890,6 +1890,24 @@ int parse_usec(const char *t, usec_t *usec) {
         return 0;
 }
 
+int make_stdio(int fd) {
+        int r, s, t;
+
+        assert(fd >= 0);
+
+        r = dup2(fd, STDIN_FILENO);
+        s = dup2(fd, STDOUT_FILENO);
+        t = dup2(fd, STDERR_FILENO);
+
+        if (fd >= 3)
+                close_nointr_nofail(fd);
+
+        if (r < 0 || s < 0 || t < 0)
+                return -errno;
+
+        return 0;
+}
+
 static const char *const ioprio_class_table[] = {
         [IOPRIO_CLASS_NONE] = "none",
         [IOPRIO_CLASS_RT] = "realtime",
-- 
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