help needed in debug please

hi all ,
I am working on a router which is Coded in ansi C ,it uses number of
semaphores,threads
I want to know that how can we know what threads are currently alive
in a program being executed ,I do not have the support of <bold> GDB on
my target board ,not even gdbserver,</bold> my way is very crude by
placing print stmts in between the line and knowing the status.
kindly suggest me a way to know what threads are alive as one of then
throwing a segfault I am not able to determine which one
thanks in advance
PMM

.

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