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-rw-r--r--src/core/dbus-socket.c1
-rw-r--r--src/core/load-fragment-gperf.gperf.m41
-rw-r--r--src/core/socket.c12
-rw-r--r--src/core/socket.h1
4 files changed, 15 insertions, 0 deletions
diff --git a/src/core/dbus-socket.c b/src/core/dbus-socket.c
index bdf111c9e3..cc55b8d71b 100644
--- a/src/core/dbus-socket.c
+++ b/src/core/dbus-socket.c
@@ -100,6 +100,7 @@ const sd_bus_vtable bus_socket_vtable[] = {
SD_BUS_PROPERTY("KeepAliveTime", "t", bus_property_get_usec, offsetof(Socket, keep_alive_time), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("KeepAliveInterval", "t", bus_property_get_usec, offsetof(Socket, keep_alive_interval), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("KeepAliveProbes", "u", bus_property_get_unsigned, offsetof(Socket, keep_alive_cnt), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("DeferAccept" , "t", bus_property_get_usec, offsetof(Socket, defer_accept), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Priority", "i", bus_property_get_int, offsetof(Socket, priority), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("ReceiveBuffer", "t", bus_property_get_size, offsetof(Socket, receive_buffer), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SendBuffer", "t", bus_property_get_size, offsetof(Socket, send_buffer), SD_BUS_VTABLE_PROPERTY_CONST),
diff --git a/src/core/load-fragment-gperf.gperf.m4 b/src/core/load-fragment-gperf.gperf.m4
index 67bd0e5209..b4e2b25743 100644
--- a/src/core/load-fragment-gperf.gperf.m4
+++ b/src/core/load-fragment-gperf.gperf.m4
@@ -234,6 +234,7 @@ Socket.KeepAlive, config_parse_bool, 0,
Socket.KeepAliveTime, config_parse_sec, 0, offsetof(Socket, keep_alive_time)
Socket.KeepAliveInterval, config_parse_sec, 0, offsetof(Socket, keep_alive_interval)
Socket.KeepAliveProbes, config_parse_unsigned, 0, offsetof(Socket, keep_alive_cnt)
+Socket.DeferAccept, config_parse_sec, 0, offsetof(Socket, defer_accept)
Socket.NoDelay, config_parse_bool, 0, offsetof(Socket, no_delay)
Socket.Priority, config_parse_int, 0, offsetof(Socket, priority)
Socket.ReceiveBuffer, config_parse_iec_size, 0, offsetof(Socket, receive_buffer)
diff --git a/src/core/socket.c b/src/core/socket.c
index d6d9821f57..a16b20d739 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -613,6 +613,12 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
"%sKeepAliveProbes: %u\n",
prefix, s->keep_alive_cnt);
+ if(s->defer_accept)
+ fprintf(f,
+ "%sDeferAccept: %s\n",
+ prefix, format_timespan(time_string, FORMAT_TIMESPAN_MAX,
+ s->defer_accept, USEC_PER_SEC));
+
LIST_FOREACH(port, p, s->ports) {
if (p->type == SOCKET_SOCKET) {
@@ -828,6 +834,12 @@ static void socket_apply_socket_options(Socket *s, int fd) {
log_warning_unit(UNIT(s)->id, "TCP_KEEPCNT failed: %m");
}
+ if (s->defer_accept) {
+ int value = s->defer_accept / USEC_PER_SEC;
+ if (setsockopt(fd, SOL_TCP, TCP_DEFER_ACCEPT, &value, sizeof(value)) < 0)
+ log_warning_unit(UNIT(s)->id, "TCP_DEFER_ACCEPT failed: %m");
+ }
+
if (s->no_delay) {
int b = s->no_delay;
if (setsockopt(fd, SOL_TCP, TCP_NODELAY, &b, sizeof(b)) < 0)
diff --git a/src/core/socket.h b/src/core/socket.h
index 8871eb1ca3..eede70564a 100644
--- a/src/core/socket.h
+++ b/src/core/socket.h
@@ -105,6 +105,7 @@ struct Socket {
usec_t timeout_usec;
usec_t keep_alive_time;
usec_t keep_alive_interval;
+ usec_t defer_accept;
ExecCommand* exec_command[_SOCKET_EXEC_COMMAND_MAX];
ExecContext exec_context;