12046 Provide /proc/<PID>/fdinfo/

@@ -26,10 +26,11 @@
 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
 /*        All Rights Reserved   */
 
 /*
  * Copyright 2018 Joyent, Inc.
+ * Copyright 2019 OmniOS Community Edition (OmniOSce) Association.
  */
 
 #ifndef _SYS_PROC_PRDATA_H
 #define _SYS_PROC_PRDATA_H
 

@@ -129,10 +130,12 @@
         PR_WATCH,               /* /proc/<pid>/watch                    */
         PR_CURDIR,              /* /proc/<pid>/cwd                      */
         PR_ROOTDIR,             /* /proc/<pid>/root                     */
         PR_FDDIR,               /* /proc/<pid>/fd                       */
         PR_FD,                  /* /proc/<pid>/fd/nn                    */
+        PR_FDINFODIR,           /* /proc/<pid>/fdinfo                   */
+        PR_FDINFO,              /* /proc/<pid>/fdinfo/nn                */
         PR_OBJECTDIR,           /* /proc/<pid>/object                   */
         PR_OBJECT,              /* /proc/<pid>/object/xxx               */
         PR_LWPDIR,              /* /proc/<pid>/lwp                      */
         PR_LWPIDDIR,            /* /proc/<pid>/lwp/<lwpid>              */
         PR_LWPCTL,              /* /proc/<pid>/lwp/<lwpid>/lwpctl       */

@@ -286,11 +289,11 @@
  *      list_t  listhead;
  *      struct my *mp;
  *
  *      pr_iol_initlist(&listhead, sizeof (*mp), n);
  *      while (whatever) {
- *              mp = pr_iol_newbuf(&listhead, sizeof (*mp);
+ *              mp = pr_iol_newbuf(&listhead, sizeof (*mp));
  *              ...
  *              error = ...
  *      }
  *
  * When done, depending on whether copyout() or uiomove() is supposed to

@@ -311,10 +314,11 @@
 
 extern  void    pr_iol_initlist(list_t *head, size_t itemsize, int nitems);
 extern  void *  pr_iol_newbuf(list_t *head, size_t itemsize);
 extern  int     pr_iol_copyout_and_free(list_t *head, caddr_t *tgt, int errin);
 extern  int     pr_iol_uiomove_and_free(list_t *head, uio_t *uiop, int errin);
+extern  void    pr_iol_freelist(list_t *);
 
 #if defined(_SYSCALL32_IMPL)
 
 extern  int     prwritectl32(vnode_t *, struct uio *, cred_t *);
 extern  void    prgetaction32(proc_t *, user_t *, uint_t, struct sigaction32 *);

@@ -345,10 +349,12 @@
 extern  int     pr_nice(proc_t *, int, cred_t *);
 extern  void    pr_setentryexit(proc_t *, sysset_t *, int);
 extern  int     pr_set(proc_t *, long);
 extern  int     pr_unset(proc_t *, long);
 extern  void    pr_sethold(prnode_t *, sigset_t *);
+extern  file_t  *pr_getf(proc_t *, uint_t, short *);
+extern  void    pr_releasef(proc_t *, uint_t);
 extern  void    pr_setfault(proc_t *, fltset_t *);
 extern  int     prusrio(proc_t *, enum uio_rw, struct uio *, int);
 extern  int     prwritectl(vnode_t *, struct uio *, cred_t *);
 extern  int     prlock(prnode_t *, int);
 extern  void    prunmark(proc_t *);