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Problem: Threads don't have names which complicates debugging.

Browse Source 
Solution:
1. Use optional name parameter in thread_t::start for operating
systems that have thread names.
2. Give start_thread() an optional name parameter for the
thread's name. If this parameter is set, it will be appended to "0MQ:".
If not set, "0MQ" will be used as the thread's name.
3. Give epoll the ability to name its thread. Then use this in
io_thread and reaper to name them.
This commit is contained in:
Kymeta Corp
2019-01-29 12:07:33 +02:00
committed by Luca Boccassi
parent c47b2af90a
commit 484374f2b6
8 changed files with 28 additions and 12 deletions
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8
src/thread.cpp
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@@ -52,7 +52,7 @@ static unsigned int __stdcall thread_routine (void *arg_)
}
}
void zmq::thread_t::start (thread_fn *tfn_, void *arg_)
void zmq::thread_t::start (thread_fn *tfn_, void *arg_, const char *name_)
{
_tfn = tfn_;
_arg = arg_;
@@ -109,7 +109,7 @@ static void *thread_routine (void *arg_)
}
}
void zmq::thread_t::start (thread_fn *tfn_, void *arg_)
void zmq::thread_t::start (thread_fn *tfn_, void *arg_, const char *name_)
{
_tfn = tfn_;
_arg = arg_;
@@ -179,15 +179,17 @@ static void *thread_routine (void *arg_)
#endif
zmq::thread_t *self = (zmq::thread_t *) arg_;
self->applySchedulingParameters ();
pthread_setname_np(pthread_self(), self->_name.c_str());
self->_tfn (self->_arg);
return NULL;
}
}
void zmq::thread_t::start (thread_fn *tfn_, void *arg_)
void zmq::thread_t::start (thread_fn *tfn_, void *arg_, const char *name_)
{
_tfn = tfn_;
_arg = arg_;
_name = name_;
int rc = pthread_create (&_descriptor, NULL, thread_routine, this);
posix_assert (rc);
_started = true;