build-sys: move source files to subdirectory

1 files changed, 0 insertions, 578 deletions

diff --git a/swap.c b/swap.c
deleted file mode 100644
index bd49e1ea2b..0000000000
--- a/swap.c
+++ /dev/null
@@ -1,578 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8 -*-*/
-
-/***
-  This file is part of systemd.
-
-  Copyright 2010 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <errno.h>
-#include <limits.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/epoll.h>
-#include <sys/stat.h>
-#include <sys/swap.h>
-
-#include "unit.h"
-#include "swap.h"
-#include "load-fragment.h"
-#include "load-dropin.h"
-#include "unit-name.h"
-#include "dbus-swap.h"
-
-static const UnitActiveState state_translation_table[_SWAP_STATE_MAX] = {
-        [SWAP_DEAD] = UNIT_INACTIVE,
-        [SWAP_ACTIVE] = UNIT_ACTIVE,
-        [SWAP_MAINTAINANCE] = UNIT_INACTIVE
-};
-
-static void swap_init(Unit *u) {
-        Swap *s = SWAP(u);
-
-        assert(s);
-        assert(s->meta.load_state == UNIT_STUB);
-
-        s->parameters_etc_fstab.priority = s->parameters_proc_swaps.priority = s->parameters_fragment.priority = -1;
-}
-
-static void swap_done(Unit *u) {
-        Swap *s = SWAP(u);
-
-        assert(s);
-
-        free(s->what);
-        free(s->parameters_etc_fstab.what);
-        free(s->parameters_proc_swaps.what);
-        free(s->parameters_fragment.what);
-}
-
-int swap_add_one_mount_link(Swap *s, Mount *m) {
-         int r;
-
-        assert(s);
-        assert(m);
-
-        if (s->meta.load_state != UNIT_LOADED ||
-            m->meta.load_state != UNIT_LOADED)
-                return 0;
-
-        if (is_device_path(s->what))
-                return 0;
-
-        if (!path_startswith(s->what, m->where))
-                return 0;
-
-        if ((r = unit_add_dependency(UNIT(m), UNIT_BEFORE, UNIT(s), true)) < 0)
-                return r;
-
-        if ((r = unit_add_dependency(UNIT(s), UNIT_REQUIRES, UNIT(m), true)) < 0)
-                return r;
-
-        return 0;
-}
-
-static int swap_add_mount_links(Swap *s) {
-        Meta *other;
-        int r;
-
-        assert(s);
-
-        LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_MOUNT])
-                if ((r = swap_add_one_mount_link(s, (Mount*) other)) < 0)
-                        return r;
-
-        return 0;
-}
-
-static int swap_add_target_links(Swap *s) {
-        Unit *tu;
-        SwapParameters *p;
-        int r;
-
-        assert(s);
-
-        if (s->from_fragment)
-                p = &s->parameters_fragment;
-        else if (s->from_etc_fstab)
-                p = &s->parameters_etc_fstab;
-        else
-                return 0;
-
-        if ((r = manager_load_unit(s->meta.manager, SPECIAL_SWAP_TARGET, NULL, &tu)) < 0)
-                return r;
-
-        if (!p->noauto && p->handle)
-                if ((r = unit_add_dependency(tu, UNIT_WANTS, UNIT(s), true)) < 0)
-                        return r;
-
-        return unit_add_dependency(UNIT(s), UNIT_BEFORE, tu, true);
-}
-
-static int swap_verify(Swap *s) {
-        bool b;
-        char *e;
-
-        if (UNIT(s)->meta.load_state != UNIT_LOADED)
-                  return 0;
-
-        if (!(e = unit_name_from_path(s->what, ".swap")))
-                  return -ENOMEM;
-
-        b = unit_has_name(UNIT(s), e);
-        free(e);
-
-        if (!b) {
-                log_error("%s: Value of \"What\" and unit name do not match, not loading.\n", UNIT(s)->meta.id);
-                return -EINVAL;
-        }
-
-        return 0;
-}
-
-static int swap_load(Unit *u) {
-        int r;
-        Swap *s = SWAP(u);
-
-        assert(s);
-        assert(u->meta.load_state == UNIT_STUB);
-
-        /* Load a .swap file */
-        if ((r = unit_load_fragment_and_dropin_optional(u)) < 0)
-                return r;
-
-        if (u->meta.load_state == UNIT_LOADED) {
-
-                if (s->meta.fragment_path)
-                        s->from_fragment = true;
-
-                if (!s->what) {
-                        if (s->parameters_fragment.what)
-                                s->what = strdup(s->parameters_fragment.what);
-                        else if (s->parameters_etc_fstab.what)
-                                s->what = strdup(s->parameters_etc_fstab.what);
-                        else if (s->parameters_proc_swaps.what)
-                                s->what = strdup(s->parameters_proc_swaps.what);
-                        else
-                                s->what = unit_name_to_path(u->meta.id);
-
-                        if (!s->what)
-                                return -ENOMEM;
-                }
-
-                path_kill_slashes(s->what);
-
-                if (!s->meta.description)
-                        if ((r = unit_set_description(u, s->what)) < 0)
-                                return r;
-
-                if ((r = unit_add_node_link(u, s->what,
-                                            (u->meta.manager->running_as == MANAGER_INIT ||
-                                             u->meta.manager->running_as == MANAGER_SYSTEM))) < 0)
-                        return r;
-
-                if ((r = swap_add_mount_links(s)) < 0)
-                        return r;
-
-                if ((r = swap_add_target_links(s)) < 0)
-                        return r;
-        }
-
-        return swap_verify(s);
-}
-
-static int swap_find(Manager *m, const char *what, Unit **_u) {
-        Unit *u;
-        char *e;
-
-        assert(m);
-        assert(what);
-        assert(_u);
-
-        /* /proc/swaps and /etc/fstab might refer to this device by
-         * different names (e.g. one by uuid, the other by the kernel
-         * name), we hence need to look for all aliases we are aware
-         * of for this device */
-
-        if (!(e = unit_name_from_path(what, ".device")))
-                return -ENOMEM;
-
-        u = manager_get_unit(m, e);
-        free(e);
-
-        if (u) {
-                Iterator i;
-                const char *d;
-
-                SET_FOREACH(d, u->meta.names, i) {
-                        Unit *k;
-
-                        if (!(e = unit_name_change_suffix(d, ".swap")))
-                                return -ENOMEM;
-
-                        k = manager_get_unit(m, e);
-                        free(e);
-
-                        if (k) {
-                                *_u = k;
-                                return 0;
-                        }
-                }
-        }
-
-        *_u = NULL;
-        return 0;
-}
-
-int swap_add_one(
-                Manager *m,
-                const char *what,
-                int priority,
-                bool noauto,
-                bool handle,
-                bool from_proc_swaps) {
-        Unit *u = NULL;
-        char *e = NULL, *w = NULL;
-        bool delete;
-        int r;
-        SwapParameters *p;
-
-        assert(m);
-        assert(what);
-
-        if (!(e = unit_name_from_path(what, ".swap")))
-                return -ENOMEM;
-
-        if (!(u = manager_get_unit(m, e)))
-                if ((r = swap_find(m, what, &u)) < 0)
-                        goto fail;
-
-        if (!u) {
-                delete = true;
-
-                if (!(u = unit_new(m))) {
-                        free(e);
-                        return -ENOMEM;
-                }
-        } else
-                delete = false;
-
-        if ((r = unit_add_name(u, e)) < 0)
-                goto fail;
-
-        if (!(w = strdup(what))) {
-                r = -ENOMEM;
-                goto fail;
-        }
-
-        if (from_proc_swaps) {
-                p = &SWAP(u)->parameters_proc_swaps;
-                SWAP(u)->from_proc_swaps = true;
-        } else {
-                p = &SWAP(u)->parameters_etc_fstab;
-                SWAP(u)->from_etc_fstab = true;
-        }
-
-        free(p->what);
-        p->what = w;
-
-        p->priority = priority;
-        p->noauto = noauto;
-        p->handle = handle;
-
-        if (delete)
-                unit_add_to_load_queue(u);
-
-        unit_add_to_dbus_queue(u);
-
-        free(e);
-
-        return 0;
-
-fail:
-        free(w);
-        free(e);
-
-        if (delete && u)
-                unit_free(u);
-
-        return r;
-}
-
-static void swap_set_state(Swap *s, SwapState state) {
-        SwapState old_state;
-        assert(s);
-
-        old_state = s->state;
-        s->state = state;
-
-        if (state != old_state)
-                log_debug("%s changed %s -> %s",
-                          UNIT(s)->meta.id,
-                          swap_state_to_string(old_state),
-                          swap_state_to_string(state));
-
-        unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
-}
-
-static int swap_coldplug(Unit *u) {
-        Swap *s = SWAP(u);
-        SwapState new_state = SWAP_DEAD;
-
-        assert(s);
-        assert(s->state == SWAP_DEAD);
-
-        if (s->deserialized_state != s->state)
-                new_state = s->deserialized_state;
-        else if (s->from_proc_swaps)
-                new_state = SWAP_ACTIVE;
-
-        if (new_state != s->state)
-                swap_set_state(s, new_state);
-
-        return 0;
-}
-
-static void swap_dump(Unit *u, FILE *f, const char *prefix) {
-        Swap *s = SWAP(u);
-        SwapParameters *p;
-
-        assert(s);
-        assert(f);
-
-        if (s->from_proc_swaps)
-                p = &s->parameters_proc_swaps;
-        else if (s->from_fragment)
-                p = &s->parameters_fragment;
-        else
-                p = &s->parameters_etc_fstab;
-
-        fprintf(f,
-                "%sSwap State: %s\n"
-                "%sWhat: %s\n"
-                "%sPriority: %i\n"
-                "%sNoAuto: %s\n"
-                "%sHandle: %s\n"
-                "%sFrom /etc/fstab: %s\n"
-                "%sFrom /proc/swaps: %s\n"
-                "%sFrom fragment: %s\n",
-                prefix, swap_state_to_string(s->state),
-                prefix, s->what,
-                prefix, p->priority,
-                prefix, yes_no(p->noauto),
-                prefix, yes_no(p->handle),
-                prefix, yes_no(s->from_etc_fstab),
-                prefix, yes_no(s->from_proc_swaps),
-                prefix, yes_no(s->from_fragment));
-}
-
-static void swap_enter_dead(Swap *s, bool success) {
-        assert(s);
-
-        swap_set_state(s, success ? SWAP_MAINTAINANCE : SWAP_DEAD);
-}
-
-static int swap_start(Unit *u) {
-        Swap *s = SWAP(u);
-        int priority = -1;
-        int r;
-
-        assert(s);
-        assert(s->state == SWAP_DEAD || s->state == SWAP_MAINTAINANCE);
-
-        if (s->from_fragment)
-                priority = s->parameters_fragment.priority;
-        else if (s->from_etc_fstab)
-                priority = s->parameters_etc_fstab.priority;
-
-        r = swapon(s->what, (priority << SWAP_FLAG_PRIO_SHIFT) & SWAP_FLAG_PRIO_MASK);
-
-        if (r < 0 && errno != EBUSY) {
-                r = -errno;
-                swap_enter_dead(s, false);
-                return r;
-        }
-
-        swap_set_state(s, SWAP_ACTIVE);
-        return 0;
-}
-
-static int swap_stop(Unit *u) {
-        Swap *s = SWAP(u);
-        int r;
-
-        assert(s);
-
-        assert(s->state == SWAP_ACTIVE);
-
-        r = swapoff(s->what);
-        swap_enter_dead(s, r >= 0 || errno == EINVAL);
-
-        return 0;
-}
-
-static int swap_serialize(Unit *u, FILE *f, FDSet *fds) {
-        Swap *s = SWAP(u);
-
-        assert(s);
-        assert(f);
-        assert(fds);
-
-        unit_serialize_item(u, f, "state", swap_state_to_string(s->state));
-
-        return 0;
-}
-
-static int swap_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
-        Swap *s = SWAP(u);
-
-        assert(s);
-        assert(fds);
-
-        if (streq(key, "state")) {
-                SwapState state;
-
-                if ((state = swap_state_from_string(value)) < 0)
-                        log_debug("Failed to parse state value %s", value);
-                else
-                        s->deserialized_state = state;
-        } else
-                log_debug("Unknown serialization key '%s'", key);
-
-        return 0;
-}
-
-static UnitActiveState swap_active_state(Unit *u) {
-        assert(u);
-
-        return state_translation_table[SWAP(u)->state];
-}
-
-static const char *swap_sub_state_to_string(Unit *u) {
-        assert(u);
-
-        return swap_state_to_string(SWAP(u)->state);
-}
-
-static bool swap_check_gc(Unit *u) {
-        Swap *s = SWAP(u);
-
-        assert(s);
-
-        return s->from_etc_fstab || s->from_proc_swaps;
-}
-
-static int swap_load_proc_swaps(Manager *m) {
-        rewind(m->proc_swaps);
-
-        (void) fscanf(m->proc_swaps, "%*s %*s %*s %*s %*s\n");
-
-        for (;;) {
-                char *dev = NULL, *d;
-                int prio = 0, k;
-
-                if ((k = fscanf(m->proc_swaps,
-                                "%ms " /* device/file */
-                                "%*s " /* type of swap */
-                                "%*s " /* swap size */
-                                "%*s " /* used */
-                                "%i\n", /* priority */
-                                &dev, &prio)) != 2) {
-
-                        if (k == EOF)
-                                break;
-
-                        free(dev);
-                        return -EBADMSG;
-                }
-
-                d = cunescape(dev);
-                free(dev);
-
-                if (!d)
-                        return -ENOMEM;
-
-                k = swap_add_one(m, d, prio, false, false, true);
-                free(d);
-
-                if (k < 0)
-                        return k;
-        }
-
-        return 0;
-}
-
-static void swap_shutdown(Manager *m) {
-        assert(m);
-
-        if (m->proc_swaps) {
-                fclose(m->proc_swaps);
-                m->proc_swaps = NULL;
-        }
-}
-
-static const char* const swap_state_table[_SWAP_STATE_MAX] = {
-        [SWAP_DEAD] = "dead",
-        [SWAP_ACTIVE] = "active",
-        [SWAP_MAINTAINANCE] = "maintainance"
-};
-
-DEFINE_STRING_TABLE_LOOKUP(swap_state, SwapState);
-
-static int swap_enumerate(Manager *m) {
-        int r;
-        assert(m);
-
-        if (!m->proc_swaps)
-                if (!(m->proc_swaps = fopen("/proc/swaps", "re")))
-                        return -errno;
-
-        if ((r = swap_load_proc_swaps(m)) < 0)
-                swap_shutdown(m);
-
-        return r;
-}
-
-const UnitVTable swap_vtable = {
-        .suffix = ".swap",
-
-        .no_instances = true,
-        .no_isolate = true,
-
-        .init = swap_init,
-        .load = swap_load,
-        .done = swap_done,
-
-        .coldplug = swap_coldplug,
-
-        .dump = swap_dump,
-
-        .start = swap_start,
-        .stop = swap_stop,
-
-        .serialize = swap_serialize,
-        .deserialize_item = swap_deserialize_item,
-
-        .active_state = swap_active_state,
-        .sub_state_to_string = swap_sub_state_to_string,
-
-        .check_gc = swap_check_gc,
-
-        .bus_message_handler = bus_swap_message_handler,
-
-        .enumerate = swap_enumerate,
-        .shutdown = swap_shutdown
-};