From: Colin Walters <walters@verbum.org>
Date: Fri, 7 Dec 2012 14:08:21 +0000 (-0500)
Subject: utils: Add strerror(errno) to error message
X-Git-Tag: 0.9.0~106
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=00ecc7bbb1d8f1700da0f90301090a671d19733d;p=thirdparty%2Fplymouth.git

utils: Add strerror(errno) to error message

So it's easier to debug why it fails.
---

diff --git a/src/libply/ply-utils.c b/src/libply/ply-utils.c
index 5a79bb4d..ed9219c2 100644
--- a/src/libply/ply-utils.c
+++ b/src/libply/ply-utils.c
@@ -795,11 +795,12 @@ ply_create_daemon (void)
 
       if (!ply_read (receiver_fd, &byte, sizeof (uint8_t)))
         {
+          int read_error = errno;
           int status;
 
           if (waitpid (pid, &status, WNOHANG) <= 0)
             {
-              ply_error ("failed to read status from child immediately after starting to daemonize");
+              ply_error ("failed to read status from child immediately after starting to daemonize: %s", strerror (read_error));
             }
           else if (WIFEXITED (status))
             {