/*
* This essentially emulates the following shell script logic in C:
* DIR="/etc/dev.d"
- * export DEVNODE="whatever_dev_name_udev_just_gave"
- * for I in "${DIR}/$DEVNODE/"*.dev "${DIR}/$1/"*.dev "${DIR}/default/"*.dev ; do
+ * export DEVNAME="whatever_dev_name_udev_just_gave"
+ * for I in "${DIR}/$DEVNAME/"*.dev "${DIR}/$1/"*.dev "${DIR}/default/"*.dev ; do
* if [ -f $I ]; then $I $1 ; fi
* done
* exit 1;
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
+#include <sys/stat.h>
#include <unistd.h>
+#include <fcntl.h>
+
#include "udev.h"
#include "udev_lib.h"
#include "logging.h"
-#define DEVD_DIR "/etc/dev.d/"
-#define DEVD_SUFFIX ".dev"
-
-static int run_program(char *name)
+static int run_program(const char *filename, void *data)
{
pid_t pid;
+ int fd;
+ struct udevice *udev = data;
- dbg("running %s", name);
+ dbg("running %s", filename);
pid = fork();
switch (pid) {
case 0:
/* child */
- execv(name, main_argv);
+ fd = open("/dev/null", O_RDWR);
+ if ( fd >= 0) {
+ dup2(fd, STDOUT_FILENO);
+ dup2(fd, STDIN_FILENO);
+ dup2(fd, STDERR_FILENO);
+ }
+ close(fd);
+
+ execl(filename, filename, udev->subsystem, NULL);
dbg("exec of child failed");
- exit(1);
+ _exit(1);
case -1:
dbg("fork of child failed");
break;
return -1;
default:
- wait(NULL);
+ waitpid(pid, NULL, 0);
}
return 0;
* subsystem/
* default/
*/
-void dev_d_send(struct udevice *dev, char *subsystem)
+void dev_d_execute(struct udevice *udev, const char *basedir, const char *suffix)
{
- char dirname[256];
- char devnode[NAME_SIZE];
+ char dirname[PATH_MAX];
+ char devname[NAME_SIZE];
+ char *temp;
- strfieldcpy(devnode, udev_root);
- strfieldcat(devnode, dev->name);
- setenv("DEVNODE", devnode, 1);
+ /* skip if UDEV_NO_DEVD is set */
+ if (udev_dev_d == 0)
+ return;
- strcpy(dirname, DEVD_DIR);
- strfieldcat(dirname, dev->name);
- call_foreach_file(run_program, dirname, DEVD_SUFFIX);
+ strfieldcpy(devname, udev->name);
- strcpy(dirname, DEVD_DIR);
- strfieldcat(dirname, subsystem);
- call_foreach_file(run_program, dirname, DEVD_SUFFIX);
+ /* chop the device name up into pieces based on '/' */
+ temp = strchr(devname, '/');
+ while (temp != NULL) {
+ temp[0] = '\0';
+ snprintf(dirname, PATH_MAX, "%s/%s", basedir, devname);
+ dirname[PATH_MAX-1] = '\0';
+ call_foreach_file(run_program, dirname, suffix, udev);
- strcpy(dirname, DEVD_DIR "default");
- call_foreach_file(run_program, dirname, DEVD_SUFFIX);
-}
+ temp[0] = '/';
+ ++temp;
+ temp = strchr(temp, '/');
+ }
+
+ snprintf(dirname, PATH_MAX, "%s/%s", basedir, udev->name);
+ dirname[PATH_MAX-1] = '\0';
+ call_foreach_file(run_program, dirname, suffix, udev);
+ snprintf(dirname, PATH_MAX, "%s/%s", basedir, udev->subsystem);
+ dirname[PATH_MAX-1] = '\0';
+ call_foreach_file(run_program, dirname, suffix, udev);
+
+ snprintf(dirname, PATH_MAX, "%s/default", basedir);
+ dirname[PATH_MAX-1] = '\0';
+ call_foreach_file(run_program, dirname, suffix, udev);
+}