From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 27 Jan 2012 17:58:02 +0000 (+0100)
Subject: socket: if SO_RCVBUFFORCE fails, fall back to SO_RCVBUF, to have at least a little... 
X-Git-Tag: v40~33
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d9eaa8461da2a4ef5ae840f41a3434c112dae37;p=systemd

socket: if SO_RCVBUFFORCE fails, fall back to SO_RCVBUF, to have at least a little effect
---

diff --git a/src/socket.c b/src/socket.c
index 7409aea5..67cd0cce 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -680,14 +680,19 @@ static void socket_apply_socket_options(Socket *s, int fd) {
 
         if (s->receive_buffer > 0) {
                 int value = (int) s->receive_buffer;
+
+                /* We first try with SO_RCVBUFFORCE, in case we have the perms for that */
+
                 if (setsockopt(fd, SOL_SOCKET, SO_RCVBUFFORCE, &value, sizeof(value)) < 0)
-                        log_warning("SO_RCVBUFFORCE failed: %m");
+                        if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &value, sizeof(value)) < 0)
+                                log_warning("SO_RCVBUF failed: %m");
         }
 
         if (s->send_buffer > 0) {
                 int value = (int) s->send_buffer;
                 if (setsockopt(fd, SOL_SOCKET, SO_SNDBUFFORCE, &value, sizeof(value)) < 0)
-                        log_warning("SO_SNDBUFFORCE failed: %m");
+                        if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &value, sizeof(value)) < 0)
+                                log_warning("SO_SNDBUF failed: %m");
         }
 
         if (s->mark >= 0)