threads/76821: Add access to gdb unique thread id

Niall Douglas s_sourceforge at
Sat Jan 29 10:50:17 PST 2005

The following reply was made to PR threads/76821; it has been noted by GNATS.

From: "Niall Douglas" <s_sourceforge at>
To: Daniel Eischen <deischen at>
Cc: freebsd-gnats-submit at, freebsd-threads at
Subject: Re: threads/76821: Add access to gdb unique thread id
Date: Sat, 29 Jan 2005 18:47:11 -0000

 On 29 Jan 2005 at 13:28, Daniel Eischen wrote:
 > > It would be really handy if a unique integer could be obtained from
 > > struct
 > pthread_t so that one can print debug information to stdout like so:
 > You can use pthread_getspecific() or TLS.
 Doesn't help from the point of view of seeing which threads in GDB 
 match which debug output statements. On Linux this is easy as 
 pthread_t is a uint printed by gdb.
 How about getting gdb to print the pthread_t pointer address instead? 
 I don't care what the number is, so long as I can compare the thread 
 listing in gdb to the debug output and it makes sense!

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