GH804: Fix unused-result warnings in dasync
authorAlessandro Ghedini <alessandro@ghedini.me>
Mon, 7 Mar 2016 12:27:52 +0000 (12:27 +0000)
committerRich Salz <rsalz@openssl.org>
Mon, 7 Mar 2016 17:21:07 +0000 (12:21 -0500)
Signed-off-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
engines/e_dasync.c

index 0580103..25dd233 100644 (file)
@@ -338,7 +338,8 @@ static void dummy_pause_job(void) {
 #if defined(ASYNC_WIN)
     WriteFile(pipefds[1], &buf, 1, &numwritten, NULL);
 #elif defined(ASYNC_POSIX)
-    write(pipefds[1], &buf, 1);
+    if (write(pipefds[1], &buf, 1) < 0)
+        return;
 #endif
 
     /* Ignore errors - we carry on anyway */
@@ -348,7 +349,8 @@ static void dummy_pause_job(void) {
 #if defined(ASYNC_WIN)
     ReadFile(pipefds[0], &buf, 1, &numread, NULL);
 #elif defined(ASYNC_POSIX)
-    read(pipefds[0], &buf, 1);
+    if (read(pipefds[0], &buf, 1) < 0)
+        return;
 #endif
 }