chiark / gitweb /
udevtrigger: trigger "driver" events
authorKay Sievers <kay.sievers@vrfy.org>
Fri, 27 Jul 2007 01:34:31 +0000 (03:34 +0200)
committerKay Sievers <kay.sievers@vrfy.org>
Fri, 27 Jul 2007 01:34:31 +0000 (03:34 +0200)
udevtrigger.c

index 4ef9612..cf8f209 100644 (file)
@@ -237,11 +237,24 @@ static int attr_filtered(const char *path)
        return 0;
 }
 
-static void scan_subsystem(const char *subsys)
+enum scan_type {
+       SCAN_DEVICES,
+       SCAN_SUBSYSTEM,
+};
+
+static void scan_subsystem(const char *subsys, enum scan_type scan)
 {
        char base[PATH_SIZE];
        DIR *dir;
        struct dirent *dent;
+       const char *subdir;
+
+       if (scan == SCAN_DEVICES)
+               subdir = "/devices";
+       else if (scan == SCAN_SUBSYSTEM)
+               subdir = "/drivers";
+       else
+               return;
 
        strlcpy(base, sysfs_path, sizeof(base));
        strlcat(base, "/", sizeof(base));
@@ -257,15 +270,24 @@ static void scan_subsystem(const char *subsys)
                        if (dent->d_name[0] == '.')
                                continue;
 
-                       if (subsystem_filtered(dent->d_name))
-                               continue;
+                       if (scan == SCAN_DEVICES)
+                               if (subsystem_filtered(dent->d_name))
+                                       continue;
 
                        strlcpy(dirname, base, sizeof(dirname));
                        strlcat(dirname, "/", sizeof(dirname));
                        strlcat(dirname, dent->d_name, sizeof(dirname));
-                       strlcat(dirname, "/devices", sizeof(dirname));
 
-                       /* look for devices */
+                       if (scan == SCAN_SUBSYSTEM) {
+                               if (!subsystem_filtered("subsystem"))
+                                       device_list_insert(dirname);
+                               if (subsystem_filtered("drivers"))
+                                       continue;
+                       }
+
+                       strlcat(dirname, subdir, sizeof(dirname));
+
+                       /* look for devices/drivers */
                        dir2 = opendir(dirname);
                        if (dir2 != NULL) {
                                for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
@@ -494,19 +516,25 @@ int main(int argc, char *argv[], char *envp[])
                }
        }
 
-       if (failed)
+       if (failed) {
                scan_failed();
-       else {
+               exec_list(action);
+       } else {
                char base[PATH_SIZE];
                struct stat statbuf;
 
                /* if we have /sys/subsystem, forget all the old stuff */
                strlcpy(base, sysfs_path, sizeof(base));
                strlcat(base, "/subsystem", sizeof(base));
-               if (stat(base, &statbuf) == 0)
-                       scan_subsystem("subsystem");
-               else {
-                       scan_subsystem("bus");
+               if (stat(base, &statbuf) == 0) {
+                       scan_subsystem("subsystem", SCAN_SUBSYSTEM);
+                       exec_list(action);
+                       scan_subsystem("subsystem", SCAN_DEVICES);
+                       exec_list(action);
+               } else {
+                       scan_subsystem("bus", SCAN_SUBSYSTEM);
+                       exec_list(action);
+                       scan_subsystem("bus", SCAN_DEVICES);
                        scan_class();
 
                        /* scan "block" if it isn't a "class" */
@@ -514,9 +542,9 @@ int main(int argc, char *argv[], char *envp[])
                        strlcat(base, "/class/block", sizeof(base));
                        if (stat(base, &statbuf) != 0)
                                scan_block();
+                       exec_list(action);
                }
        }
-       exec_list(action);
 
 exit:
        name_list_cleanup(&filter_subsystem_match_list);