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

@@ -22,11 +22,11 @@
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 /*
  * Copyright 2012 DEY Storage Systems, Inc.  All rights reserved.
- * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2018, Joyent, Inc. All rights reserved.
  * Copyright (c) 2013 by Delphix. All rights reserved.
  * Copyright 2015 Gary Mills
  */
 
 #include <sys/types.h>

@@ -724,10 +724,36 @@
         dprintf("Pgrab_core: failed to read NT_LWPSINFO\n");
         return (-1);
 }
 
 static int
+note_lwpname(struct ps_prochandle *P, size_t nbytes)
+{
+        prlwpname_t name;
+        lwp_info_t *lwp;
+
+        if (nbytes != sizeof (name) ||
+            read(P->asfd, &name, sizeof (name)) != sizeof (name))
+                goto err;
+
+        if ((lwp = lwpid2info(P, name.pr_lwpid)) == NULL)
+                goto err;
+
+        if (strlcpy(lwp->lwp_name, name.pr_lwpname,
+            sizeof (lwp->lwp_name)) >= sizeof (lwp->lwp_name)) {
+                errno = ENAMETOOLONG;
+                goto err;
+        }
+
+        return (0);
+
+err:
+        dprintf("Pgrab_core: failed to read NT_LWPNAME\n");
+        return (-1);
+}
+
+static int
 note_fdinfo(struct ps_prochandle *P, size_t nbytes)
 {
         prfdinfo_t prfd;
         fd_info_t *fip;
 

@@ -1229,10 +1255,11 @@
         note_content,           /* 20   NT_CONTENT              */
         note_zonename,          /* 21   NT_ZONENAME             */
         note_fdinfo,            /* 22   NT_FDINFO               */
         note_spymaster,         /* 23   NT_SPYMASTER            */
         note_secflags,          /* 24   NT_SECFLAGS             */
+        note_lwpname,           /* 25   NT_LWPNAME              */
 };
 
 static void
 core_report_mapping(struct ps_prochandle *P, GElf_Phdr *php)
 {