From: Mike Brady <mikebrady@eircom.net>
Date: Fri, 7 Apr 2017 17:45:28 +0000 (+0100)
Subject: Improve error reporting in non-blocking write code
X-Git-Tag: 3.1.s5~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5855264eff7c8267bbbc489a8a1160b70446c855;p=thirdparty%2Fshairport-sync.git

Improve error reporting in non-blocking write code
---

diff --git a/common.c b/common.c
index 0776407d..0a60a1af 100644
--- a/common.c
+++ b/common.c
@@ -647,9 +647,10 @@ ssize_t non_blocking_write(int fd, const void *buf, size_t count) {
       // debug(1, "non-blocking write error waiting for pipe to become ready for writing...");
     } else if (rc == 0) {
       // warn("non-blocking write timeout waiting for pipe to become ready for writing");
-      rc = -2;
+      rc = -1;
+      errno = -ETIME;
     } else { // rc > 0, implying it might be ready
-      size_t bytes_written = write(fd, ibuf, bytes_remaining);
+      ssize_t bytes_written = write(fd, ibuf, bytes_remaining);
       if (bytes_written == -1) {
         // debug(1,"Error %d in non_blocking_write: \"%s\".",errno,strerror(errno));
         rc = -1;