[Bug build/12116] AIX 6.1 declares getthrds() in <procinfo.h>

["haubi at gentoo dot org" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=12116

--- Comment #10 from Michael Haubenwallner <haubi at gentoo dot org> 2012-12-05 14:56:31 UTC ---
(In reply to comment #8)
> On AIX 7.1, the 4rth argument is a tid_t *, not a pthdb_tid_t *.

This is true for AIX 6.1 too - and also AIX 5.3, although the declaration in
procinfo.h actually is missing on AIX 5.3:

http://publib.boulder.ibm.com/infocenter/pseries/v5r3/topic/com.ibm.aix.basetechref/doc/basetrf1/getthrds.htm
http://pic.dhe.ibm.com/infocenter/aix/v6r1/topic/com.ibm.aix.basetechref/doc/basetrf1/getthrds.htm
http://pic.dhe.ibm.com/infocenter/aix/v7r1/topic/com.ibm.aix.basetechref/doc/basetrf1/getthrds.htm

The declarations itself are this ones on both 6.1 and 7.1:
extern  int     getthrds( pid_t, void *, int,  tid_t *, int );
extern  int     getthrds64( pid_t, void *, int, tid64_t *, int );

One thing to note eventually:
In procinfo.h on both AIX 6.1 and 7.1 there is a struct thrdentry64_v2 with
this comment:
/*
 * thrdentry64_v2:  Increased size thrdentry64_v2 struct.  
 *
 * thrdentry64_v2 is an increased size version of thrdentry64 that contains
 * the new thread information fields.  The getthrds64() service contains 
 * support for callers passing either a thrdentry64 or a thrdentry64_v2 
 * size structure.  
 *
 * AIX 6100 TL 4 (61H) required additional getthrds64() thread information 
 * fields.  There was not enough unused space in thrdentry64 to contain the
 * additional fields. Increasing the size of thrdentry64 to contain the 
 * additional fields causes a core file compatibility problem because 
 * struct core_dumpxx in core.h includes thrdentry64.  Programs compiled 
 * with previous versions of AIX can not correctly read AIX 6100 TL 4 
 * core files.      
 */

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