diff options
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/dbus-service.c | 3 | ||||
| -rw-r--r-- | src/core/main.c | 41 |
2 files changed, 42 insertions, 2 deletions
diff --git a/src/core/dbus-service.c b/src/core/dbus-service.c index c41b3e1723..24f611a593 100644 --- a/src/core/dbus-service.c +++ b/src/core/dbus-service.c @@ -63,7 +63,8 @@ const sd_bus_vtable bus_service_vtable[] = { SD_BUS_PROPERTY("MainPID", "u", bus_property_get_pid, offsetof(Service, main_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Service, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("BusName", "s", NULL, offsetof(Service, bus_name), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("FileDescriptorStoreMax", "u", NULL, offsetof(Service, n_fd_store_max), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("FileDescriptorStoreMax", "u", bus_property_get_unsigned, offsetof(Service, n_fd_store_max), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("NFileDescriptorStore", "u", bus_property_get_unsigned, offsetof(Service, n_fd_store), 0), SD_BUS_PROPERTY("StatusText", "s", NULL, offsetof(Service, status_text), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("StatusErrno", "i", NULL, offsetof(Service, status_errno), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Service, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), diff --git a/src/core/main.c b/src/core/main.c index 593b974566..dd21b26971 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -1242,12 +1242,50 @@ static int status_welcome(void) { static int write_container_id(void) { const char *c; + int r; c = getenv("container"); if (isempty(c)) return 0; - return write_string_file("/run/systemd/container", c, WRITE_STRING_FILE_CREATE); + r = write_string_file("/run/systemd/container", c, WRITE_STRING_FILE_CREATE); + if (r < 0) + return log_warning_errno(r, "Failed to write /run/systed/container, ignoring: %m"); + + return 1; +} + +static int bump_unix_max_dgram_qlen(void) { + _cleanup_free_ char *qlen = NULL; + unsigned long v; + int r; + + /* Let's bump the net.unix.max_dgram_qlen sysctl. The kernel + * default of 16 is simply too low. We set the value really + * really early during boot, so that it is actually applied to + * all our sockets, including the $NOTIFY_SOCKET one. */ + + r = read_one_line_file("/proc/sys/net/unix/max_dgram_qlen", &qlen); + if (r < 0) + return log_warning_errno(r, "Failed to read AF_UNIX datagram queue length, ignoring: %m"); + + r = safe_atolu(qlen, &v); + if (r < 0) + return log_warning_errno(r, "Failed to parse AF_UNIX datagram queue length, ignoring: %m"); + + if (v >= DEFAULT_UNIX_MAX_DGRAM_QLEN) + return 0; + + qlen = mfree(qlen); + if (asprintf(&qlen, "%lu\n", DEFAULT_UNIX_MAX_DGRAM_QLEN) < 0) + return log_oom(); + + r = write_string_file("/proc/sys/net/unix/max_dgram_qlen", qlen, 0); + if (r < 0) + return log_full_errno(IN_SET(r, -EROFS, -EPERM, -EACCES) ? LOG_DEBUG : LOG_WARNING, r, + "Failed to bump AF_UNIX datagram queue length, ignoring: %m"); + + return 1; } int main(int argc, char *argv[]) { @@ -1613,6 +1651,7 @@ int main(int argc, char *argv[]) { hostname_setup(); machine_id_setup(NULL); loopback_setup(); + bump_unix_max_dgram_qlen(); test_mtab(); test_usr(); |