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- Protects against interrupt during critical DB commit and sync operations.
This commit is contained in:
Paul Beckingham 2013-09-07 14:24:35 -04:00
parent ada6e49dab
commit 88abd93e52
3 changed files with 39 additions and 0 deletions
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19
src/commands/CmdSync.cpp
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@ -28,6 +28,7 @@
#include <cmake.h>
#include <sstream>
#include <inttypes.h>
#include <signal.h>
#include <Context.h>
#include <TLSClient.h>
#include <Color.h>
@ -131,6 +132,15 @@ int CmdSync::execute (std::string& output)
out << format (STRING_CMD_SYNC_PROGRESS, connection)
<< "\n";
// Ignore harmful signals.
signal (SIGHUP, SIG_IGN);
signal (SIGINT, SIG_IGN);
signal (SIGKILL, SIG_IGN);
signal (SIGPIPE, SIG_IGN);
signal (SIGTERM, SIG_IGN);
signal (SIGUSR1, SIG_IGN);
signal (SIGUSR2, SIG_IGN);
Msg response;
if (send (connection, certificate, request, response))
{
@ -270,6 +280,15 @@ int CmdSync::execute (std::string& output)
out << "\n";
output = out.str ();
// Restore signal handling.
signal (SIGHUP, SIG_DFL);
signal (SIGINT, SIG_DFL);
signal (SIGKILL, SIG_DFL);
signal (SIGPIPE, SIG_DFL);
signal (SIGTERM, SIG_DFL);
signal (SIGUSR1, SIG_DFL);
signal (SIGUSR2, SIG_DFL);
#else
// Without GnuTLS found at compile time, there is no working sync command.
throw std::string (STRING_CMD_SYNC_NO_TLS);