Initial OS X support.

mac/cpu_mac.c

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+/* 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 <unistd.h>
+#include <sched.h>
+#include <pthread.h>
+
+#include "cpu.h"
+
+
+struct cpu_info cpu_info = { 0 };
+void cpu_init_common();
+
+
+void cpu_init() {
+#   ifdef XMRIG_NO_LIBCPUID
+    cpu_info.total_logical_cpus = sysconf(_SC_NPROCESSORS_CONF);
+#   endif
+    
+    cpu_init_common();
+}
+
+
+int affine_to_cpu_mask(int id, unsigned long mask)
+{
+    return 0;
+}

mac/memory_mac.c

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+/* 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 <mm_malloc.h>
+#include <sys/mman.h>
+
+#include "persistent_memory.h"
+#include "options.h"
+#include "utils/applog.h"
+
+char *persistent_memory;
+int persistent_memory_flags = 0;
+
+
+const char * persistent_memory_allocate() {
+    const int ratio = (opt_double_hash && opt_algo != ALGO_CRYPTONIGHT_LITE) ? 2 : 1;
+    const int size = MEMORY * (opt_n_threads * ratio + 1);
+    
+    persistent_memory = _mm_malloc(size, 16);
+    return persistent_memory;
+}
+
+
+void persistent_memory_free() {
+    _mm_free(persistent_memory);
+}

mac/xmrig_mac.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);
+}