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Merge pull request #1107 from jlauenercern/master

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Allow change of pthread priority
This commit is contained in:
Pieter Hintjens 2014-06-25 11:29:07 +02:00
commit 859b43f1eb
1 changed files with 25 additions and 0 deletions
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25
src/thread.cpp
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@ -62,6 +62,7 @@ void zmq::thread_t::stop ()
#else
#include <signal.h>
#include <sstream>
extern "C"
{
@ -83,12 +84,36 @@ extern "C"
}
}
bool getenvi(const char *env_, int &result_)
{
char *str = getenv(env_);
if(str == NULL)
{
return false;
}
std::stringstream ss(str);
return ss >> result_;
}
void zmq::thread_t::start (thread_fn *tfn_, void *arg_)
{
tfn = tfn_;
arg = arg_;
int rc = pthread_create (&descriptor, NULL, thread_routine, this);
posix_assert (rc);
int prio;
if(getenvi("ZMQ_THREAD_PRIO", prio))
{
int policy = SCHED_RR;
getenvi("ZMQ_THREAD_POLICY", policy);
struct sched_param param;
param.sched_priority = prio;
rc = pthread_setschedparam(descriptor, policy, &param);
posix_assert (rc);
}
}
void zmq::thread_t::stop ()