Initial import.

unix/xmrig_unix.c

@@ -0,0 +1,91 @@
+/* XMRig
+ * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
+ * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
+ * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
+ * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
+ * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
+ * Copyright 2016-2017 XMRig       <support@xmrig.com>
+ *
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <signal.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include "options.h"
+#include "cpu.h"
+#include "utils/applog.h"
+
+
+static void signal_handler(int sig)
+{
+    switch (sig) {
+    case SIGHUP:
+        applog(LOG_WARNING, "SIGHUP received");
+        break;
+
+    case SIGINT:
+        applog(LOG_WARNING, "SIGINT received, exiting");
+        proper_exit(0);
+        break;
+
+    case SIGTERM:
+        applog(LOG_WARNING, "SIGTERM received, exiting");
+        proper_exit(0);
+        break;
+    }
+}
+
+
+void proper_exit(int reason) {
+    exit(reason);
+}
+
+
+void os_specific_init()
+{
+    if (opt_affinity != -1) {
+        affine_to_cpu_mask(-1, opt_affinity);
+    }
+
+    if (opt_background) {
+        int i = fork();
+        if (i < 0) {
+            exit(1);
+        }
+
+        if (i > 0) {
+            exit(0);
+        }
+
+        i = setsid();
+
+        if (i < 0) {
+            applog(LOG_ERR, "setsid() failed (errno = %d)", errno);
+        }
+
+        i = chdir("/");
+        if (i < 0) {
+            applog(LOG_ERR, "chdir() failed (errno = %d)", errno);
+        }
+
+        signal(SIGHUP, signal_handler);
+        signal(SIGTERM, signal_handler);
+    }
+
+    signal(SIGINT, signal_handler);
+}