/*
* 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 "udevdb.h"
#include "logging.h"
#define DEVD_DIR "/etc/dev.d/"
static int run_program(char *name)
{
pid_t pid;
+ int fd;
+ char *argv[3];
dbg("running %s", name);
switch (pid) {
case 0:
/* child */
- execv(name, main_argv);
+ udevdb_exit(); /* close udevdb */
+ fd = open("/dev/null", O_RDWR);
+ if ( fd >= 0) {
+ dup2(fd, STDOUT_FILENO);
+ dup2(fd, STDIN_FILENO);
+ dup2(fd, STDERR_FILENO);
+ }
+ close(fd);
+
+ argv[0] = name;
+ argv[1] = main_argv[1];
+ argv[2] = NULL;
+
+ execv(name, argv);
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)
{
- char dirname[256];
+ char dirname[PATH_MAX];
char devname[NAME_SIZE];
+ char *temp;
+ /* skip if UDEV_NO_DEVD is set */
if (udev_dev_d == 0)
return;
- if (dev->type == 'b' || dev->type == 'c') {
- strfieldcpy(devname, udev_root);
- strfieldcat(devname, dev->name);
- } else if (dev->type == 'n') {
- strfieldcpy(devname, dev->name);
+ /* skip if udev did nothing, like unchanged netif or no "dev" file */
+ if (udev->devname[0] == '\0')
+ return;
+
+ /* add the node name or the netif name to the environment */
+ setenv("DEVNAME", udev->devname, 1);
+ dbg("DEVNAME='%s'", udev->devname);
+
+ strfieldcpy(devname, udev->name);
+
+ /* Chop the device name up into pieces based on '/' */
+ temp = strchr(devname, '/');
+ while (temp != NULL) {
+ temp[0] = '\0';
+ strcpy(dirname, DEVD_DIR);
+ strfieldcat(dirname, devname);
+ call_foreach_file(run_program, dirname, DEVD_SUFFIX);
+
+ temp[0] = '/';
+ ++temp;
+ temp = strchr(temp, '/');
}
- setenv("DEVNODE", devname, 1); /* FIXME: bad name for netif */
- setenv("DEVNAME", devname, 1);
- dbg("DEVNAME='%s'", devname);
strcpy(dirname, DEVD_DIR);
- strfieldcat(dirname, dev->name);
+ strfieldcat(dirname, udev->name);
call_foreach_file(run_program, dirname, DEVD_SUFFIX);
strcpy(dirname, DEVD_DIR);
- strfieldcat(dirname, subsystem);
+ strfieldcat(dirname, udev->subsystem);
call_foreach_file(run_program, dirname, DEVD_SUFFIX);
strcpy(dirname, DEVD_DIR "default");