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core/device: rename output parameters of device_setup_units() to ret_xyz

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No functional change, just refactoring.
This commit is contained in:
Yu Watanabe 2024-11-25 22:48:37 +09:00
parent 3b9010b170
commit 71ec342d13
1 changed files with 14 additions and 11 deletions
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25
src/core/device.c
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@ -874,14 +874,15 @@ static int device_setup_extra_units(Manager *m, sd_device *dev, Set **ready_unit
return 0;
}
static int device_setup_units(Manager *m, sd_device *dev, Set **ready_units, Set **not_ready_units) {
static int device_setup_units(Manager *m, sd_device *dev, Set **ret_ready_units, Set **ret_not_ready_units) {
_cleanup_set_free_ Set *ready_units = NULL, *not_ready_units = NULL;
const char *syspath, *devname = NULL;
int r;
assert(m);
assert(dev);
assert(ready_units);
assert(not_ready_units);
assert(ret_ready_units);
assert(ret_not_ready_units);
r = sd_device_get_syspath(dev, &syspath);
if (r < 0)
@ -901,13 +902,13 @@ static int device_setup_units(Manager *m, sd_device *dev, Set **ready_units, Set
/* Add the main unit named after the syspath. If this one fails, don't bother with the rest,
* as this one shall be the main device unit the others just follow. (Compare with how
* device_following() is implemented, see below, which looks for the sysfs device.) */
r = device_setup_unit(m, dev, syspath, /* main = */ true, ready_units);
r = device_setup_unit(m, dev, syspath, /* main = */ true, &ready_units);
if (r < 0)
return r;
/* Add an additional unit for the device node */
if (sd_device_get_devname(dev, &devname) >= 0)
(void) device_setup_unit(m, dev, devname, /* main = */ false, ready_units);
(void) device_setup_unit(m, dev, devname, /* main = */ false, &ready_units);
} else {
Unit *u;
@ -915,28 +916,30 @@ static int device_setup_units(Manager *m, sd_device *dev, Set **ready_units, Set
/* If the device exists but not ready, then save the units and unset udev bits later. */
if (device_by_path(m, syspath, &u) >= 0) {
r = set_ensure_put(not_ready_units, NULL, DEVICE(u));
r = set_ensure_put(&not_ready_units, NULL, DEVICE(u));
if (r < 0)
log_unit_debug_errno(u, r, "Failed to store unit, ignoring: %m");
}
if (sd_device_get_devname(dev, &devname) >= 0 &&
device_by_path(m, devname, &u) >= 0) {
r = set_ensure_put(not_ready_units, NULL, DEVICE(u));
r = set_ensure_put(&not_ready_units, NULL, DEVICE(u));
if (r < 0)
log_unit_debug_errno(u, r, "Failed to store unit, ignoring: %m");
}
}
/* Next, add/update additional .device units point to aliases and symlinks. */
(void) device_setup_extra_units(m, dev, ready_units, not_ready_units);
(void) device_setup_extra_units(m, dev, &ready_units, &not_ready_units);
/* Safety check: no unit should be in ready_units and not_ready_units simultaneously. */
Unit *u;
SET_FOREACH(u, *not_ready_units)
if (set_remove(*ready_units, u))
SET_FOREACH(u, not_ready_units)
if (set_remove(ready_units, u))
log_unit_error(u, "Cannot activate and deactivate the unit simultaneously. Deactivating.");
*ret_ready_units = TAKE_PTR(ready_units);
*ret_not_ready_units = TAKE_PTR(not_ready_units);
return 0;
}
@ -1097,7 +1100,6 @@ static void device_remove_old_on_move(Manager *m, sd_device *dev) {
}
static int device_dispatch_io(sd_device_monitor *monitor, sd_device *dev, void *userdata) {
_cleanup_set_free_ Set *ready_units = NULL, *not_ready_units = NULL;
Manager *m = ASSERT_PTR(userdata);
sd_device_action_t action;
const char *sysfs;
@ -1150,6 +1152,7 @@ static int device_dispatch_io(sd_device_monitor *monitor, sd_device *dev, void *
* change events */
ready = device_is_ready(dev);
_cleanup_set_free_ Set *ready_units = NULL, *not_ready_units = NULL;
(void) device_setup_units(m, dev, &ready_units, &not_ready_units);
if (action == SD_DEVICE_REMOVE) {