X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev.c;h=f2d6f6653c3bc167ffdf3f981798f6d0241e3a84;hp=6a0beda1c247cb67bfdf7d2b455b1d155af35e39;hb=731a7d6d75fa412d676fd536ea282f33296f64cb;hpb=13d11705bf0117365afc3f9210f4d568a2baa69c

diff --git a/udev.c b/udev.c
index 6a0beda1c..f2d6f6653 100644
--- a/udev.c
+++ b/udev.c
@@ -28,12 +28,12 @@
 #include <errno.h>
 #include <signal.h>
 #include <unistd.h>
+#include <syslog.h>
 
 #include "libsysfs/sysfs/libsysfs.h"
 #include "udev_libc_wrapper.h"
 #include "udev.h"
 #include "udev_utils.h"
-#include "udev_sysfs.h"
 #include "udev_version.h"
 #include "udev_rules.h"
 #include "logging.h"
@@ -71,6 +71,7 @@ int main(int argc, char *argv[], char *envp[])
 	const char *devpath;
 	const char *subsystem;
 	struct sigaction act;
+	int devnull;
 	int retval = -EINVAL;
 
 	if (argc == 2 && strcmp(argv[1], "-V") == 0) {
@@ -78,7 +79,22 @@ int main(int argc, char *argv[], char *envp[])
 		exit(0);
 	}
 
+	/* set std fd's to /dev/null, if the kernel forks us, we don't have them at all */
+	devnull = open("/dev/null", O_RDWR);
+	if (devnull >= 0)  {
+		if (devnull != STDIN_FILENO)
+			dup2(devnull, STDIN_FILENO);
+		if (devnull != STDOUT_FILENO)
+			dup2(devnull, STDOUT_FILENO);
+		if (devnull != STDERR_FILENO)
+			dup2(devnull, STDERR_FILENO);
+		if (devnull > STDERR_FILENO)
+			close(devnull);
+	}
+
 	logging_init("udev");
+	if (devnull < 0)
+		err("fatal, could not open /dev/null: %s", strerror(errno));
 	udev_init_config();
 	dbg("version %s", UDEV_VERSION);
 
@@ -127,7 +143,7 @@ int main(int argc, char *argv[], char *envp[])
 			if (strncmp(name_loop->name, "socket:", strlen("socket:")) == 0)
 				pass_env_to_socket(&name_loop->name[strlen("socket:")], devpath, action);
 			else
-				execute_program(name_loop->name, udev.subsystem, NULL, 0, NULL);
+				run_program(name_loop->name, udev.subsystem, NULL, 0, NULL, (udev_log_priority >= LOG_INFO));
 		}
 	}