For systems that cannot support fork() (like no-mmu Linux), use daemon() if
it is available for the daemonizing code.
Signed-off-by: Mike Frysinger <vap...@gentoo.org>
---
configure.ac | 2 +-
src/daemon.c | 24 ++++++++++++++++++------
2 files changed, 19 insertions(+), 7 deletions(-)
diff --git a/configure.ac b/configure.ac
index e828f42..600b51d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -100,7 +100,7 @@ dnl
dnl libc features
dnl
-AC_CHECK_FUNCS(syslog)
+AC_CHECK_FUNCS(daemon fork syslog)
if test $ac_cv_func_syslog = no; then
# syslog is not in the default libraries. See if it's in some other.
for lib in bsd socket inet; do
diff --git a/src/daemon.c b/src/daemon.c
index 5ae79e0..192fa8d 100644
--- a/src/daemon.c
+++ b/src/daemon.c
@@ -17,6 +17,7 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include "config.h"
#include "daemon.h"
#include <glib.h>
@@ -128,21 +129,28 @@ daemonize_set_user(void)
static void
daemonize_detach(void)
{
- pid_t pid;
-
/* flush all file handles before duplicating the buffers */
fflush(NULL);
+#ifdef HAVE_DAEMON
+
+ if (daemon(0, 1))
+ g_error("daemon() failed: %s", g_strerror(errno));
+
+#elif defined(HAVE_FORK)
+
/* detach from parent process */
- pid = fork();
- if (pid < 0)
+ switch (fork()) {
+ case -1:
g_error("fork() failed: %s", g_strerror(errno));
-
- if (pid > 0)
+ case 0:
+ break;
+ default:
/* exit the parent process */
_exit(EXIT_SUCCESS);
+ }
/* release the current working directory */
@@ -153,6 +161,10 @@ daemonize_detach(void)
setsid();
+#else
+ g_error("no support for daemonizing");
+#endif
+
g_debug("daemonized!");
}
--
1.6.3.3
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