8158 Want named threads API
9857 proc manpages should have LIBRARY section

*** 24,34 ****
   * Use is subject to license terms.
   */
  
  /*
   * Copyright 2012 DEY Storage Systems, Inc.  All rights reserved.
!  * Copyright (c) 2014, Joyent, Inc. All rights reserved.
   */
  
  #include <sys/types.h>
  #include <sys/param.h>
  #include <sys/thread.h>
--- 24,34 ----
   * Use is subject to license terms.
   */
  
  /*
   * Copyright 2012 DEY Storage Systems, Inc.  All rights reserved.
!  * Copyright 2018 Joyent, Inc.
   */
  
  #include <sys/types.h>
  #include <sys/param.h>
  #include <sys/thread.h>
*** 92,102 ****
          }
          mutex_exit(&fip->fi_lock);
  
          v[0].p_type = PT_NOTE;
          v[0].p_flags = PF_R;
!         v[0].p_filesz = (sizeof (Note) * (10 + 2 * nlwp + nzomb + nfd))
              + roundup(sizeof (psinfo_t), sizeof (Word))
              + roundup(sizeof (pstatus_t), sizeof (Word))
              + roundup(prgetprivsize(), sizeof (Word))
              + roundup(priv_get_implinfo_size(), sizeof (Word))
              + roundup(strlen(platform) + 1, sizeof (Word))
--- 92,102 ----
          }
          mutex_exit(&fip->fi_lock);
  
          v[0].p_type = PT_NOTE;
          v[0].p_flags = PF_R;
!         v[0].p_filesz = (sizeof (Note) * (10 + 3 * nlwp + nzomb + nfd))
              + roundup(sizeof (psinfo_t), sizeof (Word))
              + roundup(sizeof (pstatus_t), sizeof (Word))
              + roundup(prgetprivsize(), sizeof (Word))
              + roundup(priv_get_implinfo_size(), sizeof (Word))
              + roundup(strlen(platform) + 1, sizeof (Word))
*** 105,114 ****
--- 105,115 ----
              + roundup(sizeof (utsname), sizeof (Word))
              + roundup(sizeof (core_content_t), sizeof (Word))
              + roundup(sizeof (prsecflags_t), sizeof (Word))
              + (nlwp + nzomb) * roundup(sizeof (lwpsinfo_t), sizeof (Word))
              + nlwp * roundup(sizeof (lwpstatus_t), sizeof (Word))
+             + nlwp * roundup(sizeof (prlwpname_t), sizeof (Word))
              + nfd * roundup(sizeof (prfdinfo_t), sizeof (Word));
  
          if (curproc->p_agenttp != NULL) {
                  v[0].p_filesz += sizeof (Note) +
                      roundup(sizeof (psinfo_t), sizeof (Word));
*** 454,463 ****
--- 455,465 ----
  
          nlwp = p->p_lwpcnt;
          nzomb = p->p_zombcnt;
          /* for each entry in the lwp directory ... */
          for (ldp = p->p_lwpdir; nlwp + nzomb != 0; ldp++) {
+                 prlwpname_t name = { 0, };
  
                  if ((lep = ldp->ld_entry) == NULL)      /* empty slot */
                          continue;
  
                  if ((t = lep->le_thread) != NULL) {     /* active lwp */
*** 464,473 ****
--- 466,479 ----
                          ASSERT(nlwp != 0);
                          nlwp--;
                          lwp = ttolwp(t);
                          mutex_enter(&p->p_lock);
                          prgetlwpsinfo(t, &bigwad->lwpsinfo);
+                         if (t->t_name != NULL) {
+                                 (void) strlcpy(name.pr_lwpname, t->t_name,
+                                     sizeof (name.pr_lwpname));
+                         }
                          mutex_exit(&p->p_lock);
                  } else {                                /* zombie lwp */
                          ASSERT(nzomb != 0);
                          nzomb--;
                          bzero(&bigwad->lwpsinfo, sizeof (bigwad->lwpsinfo));
*** 474,488 ****
--- 480,498 ----
                          bigwad->lwpsinfo.pr_lwpid = lep->le_lwpid;
                          bigwad->lwpsinfo.pr_state = SZOMB;
                          bigwad->lwpsinfo.pr_sname = 'Z';
                          bigwad->lwpsinfo.pr_start.tv_sec = lep->le_start;
                  }
+ 
+                 name.pr_lwpid = bigwad->lwpsinfo.pr_lwpid;
+ 
                  error = elfnote(vp, &offset, NT_LWPSINFO,
                      sizeof (bigwad->lwpsinfo), (caddr_t)&bigwad->lwpsinfo,
                      rlimit, credp);
                  if (error)
                          goto done;
+ 
                  if (t == NULL)          /* nothing more to do for a zombie */
                          continue;
  
                  mutex_enter(&p->p_lock);
                  if (t == curthread) {
*** 512,521 ****
--- 522,536 ----
                      sizeof (bigwad->lwpstatus), (caddr_t)&bigwad->lwpstatus,
                      rlimit, credp);
                  if (error)
                          goto done;
  
+                 if ((error = elfnote(vp, &offset, NT_LWPNAME, sizeof (name),
+                     (caddr_t)&name, rlimit, credp)) != 0)
+                         goto done;
+ 
+ 
  #if defined(__sparc)
                  /*
                   * Unspilled SPARC register windows.
                   */
                  {