X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=client.cpp;h=5d5c179be0e6df019930fb2924cf22be2e7bcab1;hp=f02050b5588901fd31142558134899f59512464b;hb=7c23f706733b12405c0cb8793866b57ba5800c98;hpb=8a89a1e1e9880cc7ddbd76bb26d3e0755becd4b9

diff --git a/client.cpp b/client.cpp
index f02050b..5d5c179 100644
--- a/client.cpp
+++ b/client.cpp
@@ -1,8 +1,10 @@
 #include <stdio.h>
 #include <arpa/inet.h>
+#include <fcntl.h>
 #include <netinet/in.h>
 #include <stdint.h>
 #include <sys/socket.h>
+#include <unistd.h>
 
 #include "client.h"
 #include "log.h"
@@ -68,6 +70,10 @@ Client::Client(const ClientProto &serialized, const vector<shared_ptr<const stri
 	  bytes_lost(serialized.bytes_lost()),
 	  num_loss_events(serialized.num_loss_events())
 {
+	// Set back the close-on-exec flag for the socket.
+	// (This can't leak into a child, since we haven't been started yet.)
+	fcntl(sock, F_SETFD, O_CLOEXEC);
+
 	if (stream != nullptr) {
 		if (setsockopt(sock, SOL_SOCKET, SO_MAX_PACING_RATE, &stream->pacing_rate, sizeof(stream->pacing_rate)) == -1) {
 			if (stream->pacing_rate != ~0U) {
@@ -115,6 +121,10 @@ Client::Client(const ClientProto &serialized, const vector<shared_ptr<const stri
 
 ClientProto Client::serialize(unordered_map<const string *, size_t> *short_response_pool) const
 {
+	// Unset the close-on-exec flag for the socket.
+	// (This can't leak into a child, since there's only one thread left.)
+	fcntl(sock, F_SETFD, 0);
+
 	ClientProto serialized;
 	serialized.set_sock(sock);
 	serialized.set_remote_addr(remote_addr);