devfs: add anonymous variants to register/remove

The current devfs code requires registered devices to have a name on
creation. This makes temporary/hidden devices like pty master ends
appear for a split second on the devfs tree.

Add a way of registering/removing devfs nodes which do not have a name
on the tree.
This commit is contained in:
Matheus
2026-10-05 14:33:30 -03:00
parent d1765b22b5
commit 1c65a2c891
2 changed files with 52 additions and 2 deletions
+6 -1
View File
@@ -23,6 +23,7 @@
#define DEV_MAJOR_PROF 14
#define DEV_MAJOR_INPUT 15
#define DEV_MAJOR_AUDIO 16
#define DEV_MAJOR_KCOV 17
typedef struct {
int (*open)(int minor, vnode_t **vnode, int flags);
@@ -49,9 +50,13 @@ typedef struct devnode_t {
void devfs_init();
int devfs_getnode(vnode_t *physical, int major, int minor, vnode_t **node);
int devfs_register(devops_t *devops, char *name, int type, int major, int minor, mode_t mode, cred_t *cred);
int devfs_register_anonymous(devops_t *devops, int type, int major, int minor, mode_t mode,
cred_t *cred, vnode_t **out);
int devfs_register(devops_t *devops, char *name, int type, int major, int minor, mode_t mode,
cred_t *cred);
int devfs_getbyname(char *name, vnode_t **ret);
int devfs_createdir(char *name);
void devfs_remove_anonymous(int major, int minor);
void devfs_remove(char *name, int major, int minor);
#endif