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Clean up Sustain.h and Sustain.cpp.

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* Bring out magic numbers.
  * Get rid of boost::format.
This commit is contained in:
Tom Ritchford
2015-04-02 20:54:02 -04:00
committed by Nik Bougalis
parent 2b040569e7
commit d575cd50b1
2 changed files with 27 additions and 23 deletions
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44
src/ripple/basics/impl/Sustain.cpp
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@@ -21,7 +21,7 @@
#include <ripple/basics/Sustain.h>
#include <ripple/basics/ThreadName.h>
#include <boost/format.hpp>
// For Sustain Linux variants
// VFALCO TODO Rewrite Sustain to use beast::Process
#ifdef __linux__
@@ -39,6 +39,9 @@ namespace ripple {
#ifdef __unix__
static auto const sleepBeforeWaiting = 10;
static auto const sleepBetweenWaits = 1;
static pid_t pManager = static_cast<pid_t> (0);
static pid_t pChild = static_cast<pid_t> (0);
@@ -61,29 +64,28 @@ bool HaveSustain ()
std::string StopSustain ()
{
if (getppid () != pManager)
return std::string ();
return "";
kill (pManager, SIGHUP);
return "Terminating monitor";
}
std::string DoSustain (std::string logFile)
std::string DoSustain (std::string const& logFile)
{
int childCount = 0;
pManager = getpid ();
signal (SIGINT, stop_manager);
signal (SIGHUP, stop_manager);
signal (SIGUSR1, pass_signal);
signal (SIGUSR2, pass_signal);
while (1)
for (auto childCount = 1;; ++childCount)
{
++childCount;
pChild = fork ();
if (pChild == -1)
_exit (0);
auto cc = std::to_string (childCount);
if (pChild == 0)
{
setCallingThreadName ("main");
@@ -91,26 +93,26 @@ std::string DoSustain (std::string logFile)
signal (SIGHUP, SIG_DFL);
signal (SIGUSR1, SIG_DFL);
signal (SIGUSR2, SIG_DFL);
return str (boost::format ("Launching child %d") % childCount);;
return "Launching child " + cc;
}
setCallingThreadName (boost::str (boost::format ("#%d") % childCount).c_str ());
setCallingThreadName (("#" + cc).c_str());
sleep (9);
do
sleep (sleepBeforeWaiting);
for (;;)
{
int i;
sleep (1);
waitpid (pChild, &i, 0);
if (kill (pChild, 0))
break;
sleep (sleepBetweenWaits);
}
while (kill (pChild, 0) == 0);
rename ("core", boost::str (boost::format ("core.%d") % static_cast<int> (pChild)).c_str ());
auto pc = std::to_string (pChild);
rename ("core", ("core." + pc).c_str ());
if (!logFile.empty()) // FIXME: logFile hasn't been set yet
rename (logFile.c_str(),
boost::str (boost::format ("%s.%d")
% logFile
% static_cast<int> (pChild)).c_str ());
rename (logFile.c_str(), (logFile + "." + pc).c_str ());
}
}
@@ -120,13 +122,15 @@ bool HaveSustain ()
{
return false;
}
std::string DoSustain (std::string)
std::string DoSustain (const std::string&)
{
return std::string ();
return "";
}
std::string StopSustain ()
{
return std::string ();
return "";
}
#endif