2 files changed, 30 insertions, 1 deletions
diff --git a/src/sys/include/os/filedesc.h b/src/sys/include/os/filedesc.h
index b773de9..95400ed 100644
--- a/src/sys/include/os/filedesc.h
+++ b/src/sys/include/os/filedesc.h
@@ -52,6 +52,18 @@ struct filedesc {
 };
 
 /*
+ * Allocate a file descriptor from a specific process's
+ * file descriptor table
+ *
+ * @procp: Process to allocate fd from
+ * @fd_res: Result pointer is written here
+ *
+ * Returns zero on success, otherwise a less than
+ * zero value upon failure
+ */
+int fd_alloc(struct proc *procp, struct filedesc **fd_res);
+
+/*
  * Duplicate a file descriptor
  *
  * @procp: Process to duplicate from
@@ -63,6 +75,18 @@ struct filedesc {
 struct filedesc *fd_dup(struct proc *procp, int fd);
 
 /*
+ * Look up a file descriptor that belongs to a specific
+ * process by using its fd number
+ *
+ * @procp: Process to look up
+ * @fd: File descriptor number
+ *
+ * Returns the file descriptor pointer on success,
+ * otherwise a less than zero value on failure
+ */
+struct filedesc *fd_get(struct proc *procp, int fd);
+
+/*
  * Initialize a process file descriptor table
  * and set up standard streams
  *
diff --git a/src/sys/include/os/vnode.h b/src/sys/include/os/vnode.h
index 77cadb2..8cdcded 100644
--- a/src/sys/include/os/vnode.h
+++ b/src/sys/include/os/vnode.h
@@ -44,12 +44,14 @@ struct vop;
  * @VTYPE_NONE: Vnode is yet to be assigned a type
  * @VTYPE_FILE: Vnode references a file
  * @VTYPE_DIR:  Vnode references a directory
+ * @VTYPE_SOCK: Vnode references a socket
  * @__N_VTYPE:  Number of valid nodes on the system
  */
 typedef enum {
     VTYPE_NONE,
     VTYPE_FILE,
     VTYPE_DIR,
+    VTYPE_SOCK,
     __N_VTYPE
 } vtype_t;
 
@@ -88,9 +90,11 @@ struct vop_rw_data {
  * filesystem
  *
  * @ndp: Path component to create
+ * @vtype: Vnode type
  */
 struct vop_create_args {
     struct nameidata *ndp;
+    vtype_t vtype;
 };
 
 /*
@@ -204,11 +208,12 @@ int vop_reclaim(struct vnode *vp, int flags);
  *
  * @vp: Vnode of parent directory
  * @ndp: Namei descriptor of path component
+ * @type: Vnode type to create with
  *
  * Returns zero on success, otherwise a less than zero
  * value on failure.
  */
-int vop_create(struct vnode *vp, struct nameidata *ndp);
+int vop_create(struct vnode *vp, struct nameidata *ndp, vtype_t type);
 
 /*
  * Get the attributes of a file