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add builtin load/unload initializers

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This commit is contained in:
Kay Sievers 2011-12-21 23:10:56 +01:00
parent 81dadce58f
commit aa29418a13
6 changed files with 53 additions and 1 deletions
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21
udev/udev-builtin-kmod.c
View File

@ -1,5 +1,5 @@
/*
* probe disks for filesystems and partitions
* load kernel modules
*
* Copyright (C) 2011 Kay Sievers <kay.sievers@vrfy.org>
*
@ -28,15 +28,34 @@
#include "udev.h"
static char *kmod;
static int builtin_kmod(struct udev_device *dev, const char *command, bool test)
{
printf("soon we load a module here: '%s'\n", command);
printf("test: %s\n", kmod);
return EXIT_SUCCESS;
}
static int builtin_kmod_load(struct udev *udev)
{
printf("load module index\n");
asprintf(&kmod, "pid: %u\n", getpid());
return 0;
}
static int builtin_kmod_unload(struct udev *udev)
{
printf("unload module index\n");
free(kmod);
return 0;
}
const struct udev_builtin udev_builtin_kmod = {
.name = "kmod",
.cmd = builtin_kmod,
.load = builtin_kmod_load,
.unload = builtin_kmod_unload,
.help = "kernel module loader",
.run_once = false,
};

20
udev/udev-builtin.c
View File

@ -33,6 +33,26 @@ static const struct udev_builtin *builtins[] = {
[UDEV_BUILTIN_KMOD] = &udev_builtin_kmod,
};
int udev_builtin_load(struct udev *udev)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(builtins); i++)
if (builtins[i]->load)
builtins[i]->load(udev);
return 0;
}
int udev_builtin_unload(struct udev *udev)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(builtins); i++)
if (builtins[i]->unload)
builtins[i]->unload(udev);
return 0;
}
int udev_builtin_list(struct udev *udev)
{
unsigned int i;

4
udev/udev.h
View File

@ -158,6 +158,8 @@ struct udev_builtin {
const char *name;
int (*cmd)(struct udev_device *dev, const char *command, bool test);
const char *help;
int (*load)(struct udev *udev);
int (*unload)(struct udev *udev);
bool run_once;
};
extern const struct udev_builtin udev_builtin_path_id;
@ -165,6 +167,8 @@ extern const struct udev_builtin udev_builtin_usb_id;
extern const struct udev_builtin udev_builtin_input_id;
extern const struct udev_builtin udev_builtin_blkid;
extern const struct udev_builtin udev_builtin_kmod;
int udev_builtin_load(struct udev *udev);
int udev_builtin_unload(struct udev *udev);
enum udev_builtin_cmd udev_builtin_lookup(const char *command);
const char *udev_builtin_name(enum udev_builtin_cmd cmd);
bool udev_builtin_run_once(enum udev_builtin_cmd cmd);

3
udev/udevadm-test-builtin.c
View File

@ -99,6 +99,8 @@ static int adm_builtin(struct udev *udev, int argc, char *argv[])
goto out;
}
udev_builtin_load(udev);
cmd = udev_builtin_lookup(command);
if (cmd >= UDEV_BUILTIN_MAX) {
fprintf(stderr, "unknown command '%s'\n", command);
@ -113,6 +115,7 @@ static int adm_builtin(struct udev *udev, int argc, char *argv[])
}
out:
udev_device_unref(dev);
udev_builtin_unload(udev);
return rc;
}

3
udev/udevadm-test.c
View File

@ -103,6 +103,8 @@ static int adm_test(struct udev *udev, int argc, char *argv[])
sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
udev_builtin_load(udev);
rules = udev_rules_new(udev, resolve_names);
if (rules == NULL) {
fprintf(stderr, "error reading rules\n");
@ -159,6 +161,7 @@ out:
udev_event_unref(event);
udev_device_unref(dev);
udev_rules_unref(rules);
udev_builtin_unload(udev);
return rc;
}

3
udev/udevd.c
View File

@ -1513,6 +1513,8 @@ int main(int argc, char *argv[])
}
fd_worker = worker_watch[READ_END];
udev_builtin_load(udev);
rules = udev_rules_new(udev, resolve_names);
if (rules == NULL) {
err(udev, "error reading rules\n");
@ -1712,6 +1714,7 @@ exit_daemonize:
worker_list_cleanup(udev);
event_queue_cleanup(udev, EVENT_UNDEF);
udev_rules_unref(rules);
udev_builtin_unload(udev);
if (fd_signal >= 0)
close(fd_signal);
if (worker_watch[READ_END] >= 0)