Hello,
for this test case,
1.#include <stdio.h>
2.#include <omp.h>
3.int
4.main()
5.{
6. omp_set_num_threads (5);
7. #pragma omp parallel
8. {
9. int th = omp_get_thread_num ();
10. printf ("i am thread %d\n", th);
11. }
12. return 0;
13.}
Reading symbols from a.out...
OMPD GDB support loaded
Run 'ompd init' to start debugging
(gdb) ompd init
Temporary breakpoint 1 at 0x40115a: file pro.c, line 6.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Temporary breakpoint 1, main () at pro.c:6
6 omp_set_num_threads (5);
Loaded OMPD lib successfully!
(gdb) b 10
Breakpoint 2 at 0x401198: file pro.c, line 10.
(gdb) c
Continuing.
[New Thread 0x7ffff7d45700 (LWP 116224)]
[New Thread 0x7ffff7544700 (LWP 116225)]
[New Thread 0x7ffff6d43700 (LWP 116226)]
[Switching to Thread 0x7ffff7d45700 (LWP 116224)]
Thread 2 "a.out" hit Breakpoint -14, gomp_thread_start
(xdata=0x7fffffffd950) at ../../../gcc/libgomp/config/linux/sem.h:46
46 *sem = value * SEM_INC;
[New Thread 0x7ffff6542700 (LWP 116227)]
[Switching to Thread 0x7ffff7544700 (LWP 116225)]
Thread 3 "a.out" hit Breakpoint -14, gomp_thread_start
(xdata=0x7fffffffd9d0) at ../../../gcc/libgomp/config/linux/sem.h:46
46 *sem = value * SEM_INC;
[Switching to Thread 0x7ffff6d43700 (LWP 116226)]
Thread 4 "a.out" hit Breakpoint -14, gomp_thread_start
(xdata=0x7fffffffda50) at ../../../gcc/libgomp/config/linux/sem.h:46
46 *sem = value * SEM_INC;
[Switching to Thread 0x7ffff6542700 (LWP 116227)]
Thread 5 "a.out" hit Breakpoint -14, gomp_thread_start
(xdata=0x7fffffffdad0) at ../../../gcc/libgomp/config/linux/sem.h:46
46 *sem = value * SEM_INC;
Thread 5 "a.out" hit Breakpoint 2, main._omp_fn.0 () at pro.c:10
10 printf ("i am thread %d\n", th);
(gdb) bt
#0 main._omp_fn.0 () at pro.c:10
#1 0x00007ffff7f9dd8e in gomp_thread_start (xdata=<optimized out>) at
../../../gcc/libgomp/team.c:131
#2 0x00007ffff7f48609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#3 0x00007ffff7e6d133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
(gdb) ompd icv
Initialized ICV map successfully for checking OMP API values.
ICV Name Scope Value
===============================================================
cancel var address_space 0
max task priority var address_space 0
stack size var address_space 0
debug var address_space 0
OMP_DEBUG address_space enabled
display affinity var address_space 0
affinity format var address_space level %L thread
%i affinity %A
affinity format len var address_space 0
wait policy var address_space 4294967295
num teams var address_space 0
teams thread limit var address_space 0
spin count var address_space 300000
num proc var address_space 8
throttled spin count var address_space 100
managed threads var address_space 5
END
the output of icv is for global icvs and environment variables are set.
The output may be mangled by the mailer.
How is this output?
The thread_handle patch is ready and will be under review today.
