Database now runs on linux

libthecore/src/signal.cpp

@@ -0,0 +1,91 @@
+/*
+ *    Filename: signal.c
+ * Description: <20>ñ׳<C3B1> <20><><EFBFBD><EFBFBD> <20>Լ<EFBFBD>.
+ *
+ *      Author: <20><><EFBFBD><EFBFBD> aka. Cronan
+ */
+#define __LIBTHECORE__
+#include "stdafx.h"
+
+#if defined(__WIN32__) || defined(__linux__)
+void signal_setup() {}
+void signal_timer_disable() {}
+void signal_timer_enable(int timeout_seconds) {}
+#elif __FreeBSD__
+#define RETSIGTYPE void
+
+RETSIGTYPE reap(int sig)
+{
+    while (waitpid(-1, NULL, WNOHANG) > 0);
+    signal(SIGCHLD, reap);
+}
+
+
+RETSIGTYPE checkpointing(int sig)
+{
+    if (!tics)
+    {
+	sys_err("CHECKPOINT shutdown: tics did not updated.");
+	abort();
+    }
+    else
+	tics = 0;
+}
+
+
+RETSIGTYPE hupsig(int sig)
+{
+    shutdowned = TRUE;
+    sys_err("SIGHUP, SIGINT, SIGTERM signal has been received. shutting down.");
+}
+
+RETSIGTYPE usrsig(int sig)
+{
+    core_dump();
+}
+
+void signal_timer_disable(void)
+{
+    struct itimerval itime;
+    struct timeval interval;
+
+    interval.tv_sec	= 0;
+    interval.tv_usec	= 0;
+
+    itime.it_interval = interval;
+    itime.it_value = interval;
+
+    setitimer(ITIMER_VIRTUAL, &itime, NULL);
+}
+
+void signal_timer_enable(int sec)
+{
+    struct itimerval itime;
+    struct timeval interval;
+
+    interval.tv_sec	= sec;
+    interval.tv_usec	= 0;
+
+    itime.it_interval = interval;
+    itime.it_value = interval;
+
+    setitimer(ITIMER_VIRTUAL, &itime, NULL);
+}
+
+void signal_setup(void)
+{
+    signal_timer_enable(30);
+
+    signal(SIGVTALRM, checkpointing);
+
+    /* just to be on the safe side: */
+    signal(SIGHUP, hupsig);
+    signal(SIGCHLD, reap);
+    signal(SIGINT, hupsig);
+    signal(SIGTERM, hupsig);
+    signal(SIGPIPE, SIG_IGN);
+    signal(SIGALRM, SIG_IGN);
+    signal(SIGUSR1, usrsig);
+}
+
+#endif