- Avoid warnings when the result of TEMP_FAILURE_RETRY is unused.

runtime/bin/socket_macos.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
 #include <unistd.h>
@@ skipping 19 matching lines @@
   if (fd < 0) {
     Log::PrintErr("Error CreateConnect: %s\n", strerror(errno));
     return -1;
   }
 
   FDUtils::SetCloseOnExec(fd);
   FDUtils::SetNonBlocking(fd);
 
   server = gethostbyname(host);
   if (server == NULL) {
-    TEMP_FAILURE_RETRY(close(fd));
+    VOID_TEMP_FAILURE_RETRY(close(fd));
     Log::PrintErr("Error CreateConnect: %s\n", strerror(errno));
     return -1;
   }
 
   server_address.sin_family = AF_INET;
   server_address.sin_port = htons(port);
   bcopy(server->h_addr, &server_address.sin_addr.s_addr, server->h_length);
   memset(&server_address.sin_zero, 0, sizeof(server_address.sin_zero));
   intptr_t result = TEMP_FAILURE_RETRY(
       connect(fd,
@@ skipping 147 matching lines @@
 
   fd = TEMP_FAILURE_RETRY(socket(AF_INET, SOCK_STREAM, 0));
   if (fd < 0) {
     Log::PrintErr("Error CreateBind: %s\n", strerror(errno));
     return -1;
   }
 
   FDUtils::SetCloseOnExec(fd);
 
   int optval = 1;
-  TEMP_FAILURE_RETRY(
+  VOID_TEMP_FAILURE_RETRY(
       setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)));
 
   server_address.sin_family = AF_INET;
   server_address.sin_port = htons(port);
   server_address.sin_addr.s_addr = s_addr;
   memset(&server_address.sin_zero, 0, sizeof(server_address.sin_zero));
 
   if (TEMP_FAILURE_RETRY(
           bind(fd,
                reinterpret_cast<struct sockaddr *>(&server_address),
                sizeof(server_address))) < 0) {
-    TEMP_FAILURE_RETRY(close(fd));
+    VOID_TEMP_FAILURE_RETRY(close(fd));
     Log::PrintErr("Error Bind: %s\n", strerror(errno));
     return -1;
   }
 
   if (TEMP_FAILURE_RETRY(listen(fd, backlog)) != 0) {
     Log::PrintErr("Error Listen: %s\n", strerror(errno));
     return -1;
   }
 
   FDUtils::SetNonBlocking(fd);
@@ skipping 24 matching lines @@
 void Socket::Close(intptr_t fd) {
   ASSERT(fd >= 0);
   int err = TEMP_FAILURE_RETRY(close(fd));
   if (err != 0) {
     const int kBufferSize = 1024;
     char error_message[kBufferSize];
     strerror_r(errno, error_message, kBufferSize);
     Log::PrintErr("%s\n", error_message);
   }
 }