miscfs/devfs/devfs.h Kernel.framework

Argument to clone callback after dev

#define DEVFS_CLONE_ALLOC 1

__printflike(7, 8)
void * devfs_make_node_clone(
	dev_t dev,
	int chrblk,
	uid_t uid,
	gid_t gid,
	int perms,
	int (*clone)(dev_t dev, int action),
	const char *fmt,
	...
)

Function: devfs_make_node_clone Purpose Create a device node with the given pathname in the devfs namespace; before returning a dev_t value for an open instance, the dev_t has it's minor number updated by calling the supplied clone function on the supplied dev.. Parameters: dev - the dev_t value to associate chrblk - block or character device (DEVFS_CHAR or DEVFS_BLOCK) uid, gid - ownership perms - permissions clone - minor number cloning function fmt, ... - print format string and args to format the path name Returns: A handle to a device node if successful, NULL otherwise.

__printflike(6, 7)
void * devfs_make_node(
	dev_t dev,
	int chrblk,
	uid_t uid,
	gid_t gid,
	int perms,
	const char *fmt,
	...
)

Function: devfs_make_node Purpose Create a device node with the given pathname in the devfs namespace. Parameters: dev - the dev_t value to associate chrblk - block or character device (DEVFS_CHAR or DEVFS_BLOCK) uid, gid - ownership perms - permissions fmt, ... - print format string and args to format the path name Returns: A handle to a device node if successful, NULL otherwise.

void devfs_remove(void * handle)

Function: devfs_remove Purpose: Remove the device node returned by devfs_make_node() along with any links created with devfs_make_link().

XXX

#define UID_ROOT 0

XXX

#define GID_WHEEL 0