X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/13fec9890cf095cc781fdf7b8917cb03bf32dd4c..c0fea4742e91338fffdcf79f86a7c1d5e2b97eb1:/bsd/kern/kern_descrip.c

diff --git a/bsd/kern/kern_descrip.c b/bsd/kern/kern_descrip.c
index 1ec789877..7cff95e66 100644
--- a/bsd/kern/kern_descrip.c
+++ b/bsd/kern/kern_descrip.c
@@ -106,7 +106,6 @@ int fdgetf_noref(struct proc *p, int fd, struct fileproc **resultfp);
 void fg_drop(struct fileproc * fp);
 void fg_free(struct fileglob *fg);
 void fg_ref(struct fileproc * fp);
-int fp_getfpshm(struct proc *p, int fd, struct fileproc **resultfp, struct pshmnode  **resultpshm);
 
 static int closef_finish(struct fileproc *fp, struct fileglob *fg, struct proc *p);
 
@@ -149,13 +148,11 @@ file_lock_init(void)
 
 	/* allocate file lock group attribute and group */
 	file_lck_grp_attr= lck_grp_attr_alloc_init();
-	lck_grp_attr_setstat(file_lck_grp_attr);
 
 	file_lck_grp = lck_grp_alloc_init("file",  file_lck_grp_attr);
 
 	/* Allocate file lock attribute */
 	file_lck_attr = lck_attr_alloc_init();
-	//lck_attr_setdebug(file_lck_attr);
 
 	uipc_lock = lck_mtx_alloc_init(file_lck_grp, file_lck_attr);
 	file_iterate_lcok = lck_mtx_alloc_init(file_lck_grp, file_lck_attr);
@@ -1502,6 +1499,42 @@ fp_getfvp(p, fd, resultfp, resultvp)
 }
 
 
+
+int
+fp_getfvpandvid(p, fd, resultfp, resultvp, vidp)
+	struct proc *p;
+	int fd;
+	struct fileproc **resultfp;
+	struct vnode  **resultvp;
+	uint32_t * vidp;
+{
+	struct filedesc *fdp = p->p_fd;
+	struct fileproc *fp;
+
+	proc_fdlock(p);
+	if (fd < 0 || fd >= fdp->fd_nfiles ||
+			(fp = fdp->fd_ofiles[fd]) == NULL ||
+			(fdp->fd_ofileflags[fd] & UF_RESERVED)) {
+		proc_fdunlock(p);
+		return (EBADF);
+	}
+	if (fp->f_type != DTYPE_VNODE) {
+		proc_fdunlock(p);
+		return(ENOTSUP);
+	}
+	fp->f_iocount++;
+
+	if (resultfp)
+		*resultfp = fp;
+	if (resultvp)
+		*resultvp = (struct vnode *)fp->f_data;
+	if (vidp)
+		*vidp = (uint32_t)vnode_vid((struct vnode *)fp->f_data);
+	proc_fdunlock(p);
+
+	return (0);
+}
+
 /*
  * Returns:	EBADF			The file descriptor is invalid
  *		EOPNOTSUPP		The file descriptor is not a socket
@@ -1640,6 +1673,74 @@ fp_getfpsem(p, fd, resultfp, resultpsem)
 
 	return (0);
 }
+
+
+int
+fp_getfpipe(p, fd, resultfp, resultpipe)
+	struct proc *p;
+	int fd;
+	struct fileproc **resultfp;
+	struct pipe  **resultpipe;
+{
+	struct filedesc *fdp = p->p_fd;
+	struct fileproc *fp;
+
+	proc_fdlock(p);
+	if (fd < 0 || fd >= fdp->fd_nfiles ||
+			(fp = fdp->fd_ofiles[fd]) == NULL ||
+			(fdp->fd_ofileflags[fd] & UF_RESERVED)) {
+		proc_fdunlock(p);
+		return (EBADF);
+	}
+	if (fp->f_type != DTYPE_PIPE) {
+		proc_fdunlock(p);
+		return(EBADF);
+	}
+	fp->f_iocount++;
+
+	if (resultfp)
+		*resultfp = fp;
+	if (resultpipe)
+		*resultpipe = (struct pipe *)fp->f_data;
+	proc_fdunlock(p);
+
+	return (0);
+}
+
+
+#define DTYPE_ATALK -1
+int
+fp_getfatalk(p, fd, resultfp, resultatalk)
+	struct proc *p;
+	int fd;
+	struct fileproc **resultfp;
+	struct atalk  **resultatalk;
+{
+	struct filedesc *fdp = p->p_fd;
+	struct fileproc *fp;
+
+	proc_fdlock(p);
+	if (fd < 0 || fd >= fdp->fd_nfiles ||
+			(fp = fdp->fd_ofiles[fd]) == NULL ||
+			(fdp->fd_ofileflags[fd] & UF_RESERVED)) {
+		proc_fdunlock(p);
+		return (EBADF);
+	}
+	if (fp->f_type != (DTYPE_ATALK+1)) {
+		proc_fdunlock(p);
+		return(EBADF);
+	}
+	fp->f_iocount++;
+
+	if (resultfp)
+		*resultfp = fp;
+	if (resultatalk)
+		*resultatalk = (struct atalk *)fp->f_data;
+	proc_fdunlock(p);
+
+	return (0);
+}
+
 int
 fp_lookup(p, fd, resultfp, locked)
 	struct proc *p;