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Diffstat (limited to 'libudev/libudev-ctrl.c')
-rw-r--r--libudev/libudev-ctrl.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/libudev/libudev-ctrl.c b/libudev/libudev-ctrl.c
index 2d2dd3a0be..7fa2d1d535 100644
--- a/libudev/libudev-ctrl.c
+++ b/libudev/libudev-ctrl.c
@@ -60,6 +60,7 @@ struct udev_ctrl {
int sock;
struct sockaddr_un saddr;
socklen_t addrlen;
+ bool bound;
bool connected;
};
@@ -81,7 +82,7 @@ static struct udev_ctrl *udev_ctrl_new(struct udev *udev)
return uctrl;
}
-struct udev_ctrl *udev_ctrl_new_from_socket(struct udev *udev, const char *socket_path)
+struct udev_ctrl *udev_ctrl_new_from_socket_fd(struct udev *udev, const char *socket_path, int fd)
{
struct udev_ctrl *uctrl;
@@ -89,11 +90,16 @@ struct udev_ctrl *udev_ctrl_new_from_socket(struct udev *udev, const char *socke
if (uctrl == NULL)
return NULL;
- uctrl->sock = socket(AF_LOCAL, SOCK_SEQPACKET, 0);
- if (uctrl->sock < 0) {
- err(udev, "error getting socket: %m\n");
- udev_ctrl_unref(uctrl);
- return NULL;
+ if (fd < 0) {
+ uctrl->sock = socket(AF_LOCAL, SOCK_SEQPACKET|SOCK_CLOEXEC, 0);
+ if (uctrl->sock < 0) {
+ err(udev, "error getting socket: %m\n");
+ udev_ctrl_unref(uctrl);
+ return NULL;
+ }
+ } else {
+ uctrl->bound = true;
+ uctrl->sock = fd;
}
uctrl->saddr.sun_family = AF_LOCAL;
@@ -105,35 +111,31 @@ struct udev_ctrl *udev_ctrl_new_from_socket(struct udev *udev, const char *socke
return uctrl;
}
-struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd)
+struct udev_ctrl *udev_ctrl_new_from_socket(struct udev *udev, const char *socket_path)
{
- struct udev_ctrl *uctrl;
-
- uctrl = udev_ctrl_new(udev);
- if (uctrl == NULL)
- return NULL;
- uctrl->sock = fd;
-
- return uctrl;
+ return udev_ctrl_new_from_socket_fd(udev, socket_path, -1);
}
int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl)
{
int err;
- if (uctrl->addrlen > 0) {
+ if (!uctrl->bound) {
err = bind(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen);
if (err < 0) {
err = -errno;
err(uctrl->udev, "bind failed: %m\n");
return err;
}
+
err = listen(uctrl->sock, 0);
if (err < 0) {
err = -errno;
err(uctrl->udev, "listen failed: %m\n");
return err;
}
+
+ uctrl->bound = true;
}
return 0;
}