Review Request 38817: Added a SIGPIPE handler for the libprocess tests.

[Ben Mahler]

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/38817/
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Review request for mesos and Joris Van Remoortere.


Repository: mesos


Description
-------

We're currently experiencing SIGPIPEs on the build, this will give us a stack 
trace.


Diffs
-----

  3rdparty/libprocess/src/tests/main.cpp 
eec0c5f085dfed6dfeb3941528043dbd2eadcb59 

Diff: https://reviews.apache.org/r/38817/diff/


Testing
-------

Tested on CentOS and OS X:

On OS X, before:
```
[ RUN      ] IOTest.Write
make[5]: *** [check-local] Broken pipe: 13
```

After:
```
[ RUN      ] IOTest.Write
W0928 12:16:46.138653 190414848 main.cpp:52] RAW: Received signal SIGPIPE; 
escalating to SIGABRT
*** Aborted at 1443467806 (unix time) try "date -d @1443467806" if you are 
using GNU date ***
PC: @     0x7fff827b5c82 __kill
*** SIGABRT (@0x7fff827b5c82) received by PID 88406 (TID 0x10b598000) stack 
trace: ***
    @     0x7fff8f155f1a _sigtramp
    @     0x7fff650e327c (unknown)
    @     0x7fff8f155f1a _sigtramp
    @        0x10b5960b0 (unknown)
    @     0x7fff8fd3eb6f std::__1::mutex::lock()
    @        0x10a47d439 
_ZZ11synchronizeINSt3__15mutexEE12SynchronizedIT_EPS3_ENKUlPS1_E_clES6_
    @        0x10a47d418 
_ZZ11synchronizeINSt3__15mutexEE12SynchronizedIT_EPS3_ENUlPS1_E_8__invokeES6_
    @        0x10a47d269 Synchronized<>::Synchronized()
    @        0x10a47d1ed Synchronized<>::Synchronized()
    @        0x10a3df30c synchronize<>()
    @        0x10a3f1b8e Gate::open()
    @        0x10a3d3a07 process::ProcessManager::enqueue()
    @        0x10a3cde0a process::ProcessBase::enqueue()
    @        0x10a3cec43 process::SocketManager::exited()
    @        0x10a3d5626 process::ProcessManager::cleanup()
    @        0x10a3d442b process::ProcessManager::resume()
    @        0x10a3dbe3c 
process::ProcessManager::init_threads()::$_1::operator()()
    @        0x10a3dbac2 
_ZNSt3__114__thread_proxyINS_5tupleIJNS_6__bindIZN7process14ProcessManager12init_threadsEvE3$_1JNS_17reference_wrapperIKNS_6atomicIbEEEEEEEEEEEEPvSD_
    @     0x7fff8885105a _pthread_body
    @     0x7fff88850fd7 _pthread_start
    @     0x7fff8884e3ed thread_start
```


Thanks,

Ben Mahler