system_cmds-431.tar.gz

[apple/system_cmds.git] / bootlog.tproj / bootlog.c

diff --git a/bootlog.tproj/bootlog.c b/bootlog.tproj/bootlog.c
new file mode 100644 (file)
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+++ b/bootlog.tproj/bootlog.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License."
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/sysctl.h>
+#include <sys/time.h>
+#include <sys/un.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <utmpx.h>
+
+#define _PATH_ASL_IN "/var/run/asl_input"
+
+#define REPEAT 100
+#define SLEEP  2
+
+static void
+asl_running(void)
+{
+       int sock, i;
+       struct sockaddr_un server;
+       socklen_t len;
+       int status;
+
+       sock = socket(AF_UNIX, SOCK_STREAM, 0); 
+       if (sock < 0)
+               exit(1);
+
+       memset(&server, 0, sizeof(struct sockaddr_un));
+       server.sun_family = AF_UNIX;
+
+       strcpy(server.sun_path, _PATH_ASL_IN);
+       server.sun_len = strlen(server.sun_path) + 1;
+       len = sizeof(server.sun_len) + sizeof(server.sun_family) + server.sun_len;
+
+       i = REPEAT;
+       for(;;) {
+           status = connect(sock, (const struct sockaddr *)&server, len);
+           if (status >= 0)
+               break;
+           if(--i <= 0)
+               exit(1);
+           sleep(SLEEP);
+       }
+
+       close(sock);
+}
+
+int
+main()
+{
+    int mib[2] = {CTL_KERN, KERN_BOOTTIME};
+    struct utmpx utx;
+    size_t len;
+
+    bzero(&utx, sizeof(utx));
+    utx.ut_type = BOOT_TIME;
+    utx.ut_pid = 1; // on behave of launchd
+
+    /* get the boot time */
+    len = sizeof(struct timeval);
+    if(sysctl(mib, 2, &utx.ut_tv, &len, NULL, 0) < 0)
+       gettimeofday(&utx.ut_tv, NULL); /* fallback to now */
+
+    /* wait for asl before logging */
+    asl_running();
+    pututxline(&utx);
+    return 0;
+}