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Move Sustain to ripple_basics and clean up includes

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This commit is contained in:
Vinnie Falco
2013-05-27 10:19:42 -07:00
parent 0548f161d3
commit c09a4d7148
8 changed files with 137 additions and 82 deletions
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90
modules/ripple_basics/utility/ripple_Sustain.cpp Normal file
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//------------------------------------------------------------------------------
/*
Copyright (c) 2011-2013, OpenCoin, Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#ifdef __unix__
static pid_t pManager = static_cast<pid_t>(0);
static pid_t pChild = static_cast<pid_t>(0);
static void pass_signal(int a)
{
kill(pChild, a);
}
static void stop_manager(int)
{
kill(pChild, SIGINT);
_exit(0);
}
bool HaveSustain()
{
return true;
}
std::string StopSustain()
{
if (getppid() != pManager)
return std::string();
kill(pManager, SIGHUP);
return "Terminating monitor";
}
std::string DoSustain()
{
int childCount = 0;
pManager = getpid();
signal(SIGINT, stop_manager);
signal(SIGHUP, stop_manager);
signal(SIGUSR1, pass_signal);
signal(SIGUSR2, pass_signal);
while (1)
{
++childCount;
pChild = fork();
if (pChild == -1)
_exit(0);
if (pChild == 0)
{
setCallingThreadName("main");
signal(SIGINT, SIG_DFL);
signal(SIGHUP, SIG_DFL);
signal(SIGUSR1, SIG_DFL);
signal(SIGUSR2, SIG_DFL);
return str(boost::format("Launching child %d") % childCount);;
}
setCallingThreadName(boost::str(boost::format("#%d") % childCount).c_str());
do
{
int i;
sleep(10);
waitpid(-1, &i, 0);
}
while (kill(pChild, 0) == 0);
rename("core", boost::str(boost::format("core.%d") % static_cast<int>(pChild)).c_str());
rename("debug.log", boost::str(boost::format("debug.log.%d") % static_cast<int>(pChild)).c_str());
}
}
#else
bool HaveSustain() { return false; }
std::string DoSustain() { return std::string(); }
std::string StopSustain() { return std::string(); }
#endif