c:\test>perl1
Starting LetsRock()
WaitForThreads() started
waiting for 1
Use of uninitialized value in print at perl_module1.pm line 43.
Use of uninitialized value in print at perl_module1.pm line 43.
waiting for 2
waiting for 3
Use of uninitialized value in print at perl_module1.pm line 43.
waiting for 4
Use of uninitialized value in print at perl_module1.pm line 43.
waiting for 5
Use of uninitialized value in print at perl_module1.pm line 43.
WaitForThreads() finished
Scalars leaked: 1
Scalars leaked: 1
Scalars leaked: 1
Scalars leaked: 1
Scalars leaked: 1
LetsRock() ended

c:\test>perl1
Starting LetsRock()
WaitForThreads() started
waiting for 1
Use of uninitialized value in print at perl_module1.pm line 43.
Use of uninitialized value in print at perl_module1.pm line 43.
Use of uninitialized value in print at perl_module1.pm line 43.
waiting for 2
waiting for 3
waiting for 4
Use of uninitialized value in print at perl_module1.pm line 43.
waiting for 5
Use of uninitialized value in print at perl_module1.pm line 43.
waiting for 6
Use of uninitialized value in print at perl_module1.pm line 43.
waiting for 7
Use of uninitialized value in print at perl_module1.pm line 43.
Use of uninitialized value in print at perl_module1.pm line 43.
waiting for 8
waiting for 9
Use of uninitialized value in print at perl_module1.pm line 43.
waiting for 10
Use of uninitialized value in print at perl_module1.pm line 43.
WaitForThreads() finished
Scalars leaked: 1
Scalars leaked: 1
Scalars leaked: 1
Scalars leaked: 1
Scalars leaked: 1
Scalars leaked: 1
Scalars leaked: 1
Scalars leaked: 1
Scalars leaked: 1
Scalars leaked: 1
LetsRock() ended