[PATCH] Create os_daemon for OS X, as it's now deprecated.

[Alan T. DeKok]

Using it results in an error at build time.  So we replace it.
---
 src/utils/os_unix.c |   34 +++++++++++++++++++++++++++++++++-
 1 files changed, 33 insertions(+), 1 deletions(-)

diff --git a/src/utils/os_unix.c b/src/utils/os_unix.c
index a428195..b239295 100644
--- a/src/utils/os_unix.c
+++ b/src/utils/os_unix.c
@@ -75,13 +75,45 @@ int os_mktime(int year, int month, int day, int hour, int min, int sec,
 	return 0;
 }
 
+#ifdef __APPLE__
+#include <fcntl.h>
+static int os_daemon(int nochdir, int noclose)
+{
+	int devnull;
+
+	if (chdir("/") < 0)
+		return -1;
+
+	if ((devnull = open("/dev/null", O_RDWR)) < 0) 
+		return -1;
+
+	if (dup2(devnull, STDIN_FILENO) < 0) {
+		close(devnull);
+		return -1;
+	}
+
+	if (dup2(devnull, STDOUT_FILENO) < 0) {
+		close(devnull);
+		return -1;
+	}
+
+	if (dup2(devnull, STDOUT_FILENO) < 0) {
+		close(devnull);
+		return -1;
+	}
+
+	return 0;
+}
+#else
+#define os_daemon daemon
+#endif
 
 int os_daemonize(const char *pid_file)
 {
 #ifdef __unclinux
 	return -1;
 #else /* __uclinux */
-	if (daemon(0, 0)) {
+	if (os_daemon(0, 0)) {
 		perror("daemon");
 		return -1;
 	}
-- 
1.6.0.2


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