X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev.c;h=926c4b526ab5a82dd0107af833f5cfaf8569e98b;hp=4096b8b3485bdf53dd439bc80e5f0fa506c36160;hb=79bd4f222954a331aafcd7d0164742a60b570294;hpb=e8d569b4145a358775e87058829133fa725b32fd

diff --git a/udev.c b/udev.c
index 4096b8b34..926c4b526 100644
--- a/udev.c
+++ b/udev.c
@@ -28,6 +28,7 @@
 #include <errno.h>
 #include <signal.h>
 #include <unistd.h>
+#include <syslog.h>
 
 #include "libsysfs/sysfs/libsysfs.h"
 #include "udev_libc_wrapper.h"
@@ -71,6 +72,7 @@ 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 +80,22 @@ 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");
 	udev_init_config();
 	dbg("version %s", UDEV_VERSION);
 
@@ -115,7 +132,7 @@ int main(int argc, char *argv[], char *envp[])
 	}
 
 	udev_init_device(&udev, devpath, subsystem, action);
-	udev_rules_init(&rules, 0);
+	udev_rules_init(&rules, 1, 0);
 
 	retval = udev_process_event(&rules, &udev);
 
@@ -123,10 +140,15 @@ int main(int argc, char *argv[], char *envp[])
 		struct name_entry *name_loop;
 
 		dbg("executing run list");
-		list_for_each_entry(name_loop, &udev.run_list, node)
-			execute_program(name_loop->name, udev.subsystem, NULL, 0, NULL);
+		list_for_each_entry(name_loop, &udev.run_list, node) {
+			if (strncmp(name_loop->name, "socket:", strlen("socket:")) == 0)
+				pass_env_to_socket(&name_loop->name[strlen("socket:")], devpath, action);
+			else
+				run_program(name_loop->name, udev.subsystem, NULL, 0, NULL, (udev_log_priority >= LOG_INFO));
+		}
 	}
 
+	udev_rules_close(&rules);
 	udev_cleanup_device(&udev);
 
 exit: