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author | Kay Sievers <kay@vrfy.org> | 2012-04-11 12:59:52 +0200 |
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committer | Kay Sievers <kay@vrfy.org> | 2012-04-11 16:03:51 +0200 |
commit | b30e2f4c18ad81b04e4314fd191a5d458553773c (patch) | |
tree | de15b901a08d681a7a1e95c7a2d692b0ec181708 /src/core/path.h | |
parent | main: unset some bash specific environment variables that might get leaked to us (diff) | |
download | systemd-b30e2f4c18ad81b04e4314fd191a5d458553773c.tar.xz systemd-b30e2f4c18ad81b04e4314fd191a5d458553773c.zip |
move libsystemd_core.la sources into core/
Diffstat (limited to 'src/core/path.h')
-rw-r--r-- | src/core/path.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/core/path.h b/src/core/path.h new file mode 100644 index 0000000000..efb6b5eb44 --- /dev/null +++ b/src/core/path.h @@ -0,0 +1,113 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +#ifndef foopathhfoo +#define foopathhfoo + +/*** + 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/>. +***/ + +typedef struct Path Path; + +#include "unit.h" +#include "mount.h" + +typedef enum PathState { + PATH_DEAD, + PATH_WAITING, + PATH_RUNNING, + PATH_FAILED, + _PATH_STATE_MAX, + _PATH_STATE_INVALID = -1 +} PathState; + +typedef enum PathType { + PATH_EXISTS, + PATH_EXISTS_GLOB, + PATH_DIRECTORY_NOT_EMPTY, + PATH_CHANGED, + PATH_MODIFIED, + _PATH_TYPE_MAX, + _PATH_TYPE_INVALID = -1 +} PathType; + +typedef struct PathSpec { + char *path; + + Watch watch; + + LIST_FIELDS(struct PathSpec, spec); + + PathType type; + int inotify_fd; + int primary_wd; + + bool previous_exists; +} PathSpec; + +int path_spec_watch(PathSpec *s, Unit *u); +void path_spec_unwatch(PathSpec *s, Unit *u); +int path_spec_fd_event(PathSpec *s, uint32_t events); +void path_spec_done(PathSpec *s); + +static inline bool path_spec_owns_inotify_fd(PathSpec *s, int fd) { + return s->inotify_fd == fd; +} + +typedef enum PathResult { + PATH_SUCCESS, + PATH_FAILURE_RESOURCES, + _PATH_RESULT_MAX, + _PATH_RESULT_INVALID = -1 +} PathResult; + +struct Path { + Unit meta; + + LIST_HEAD(PathSpec, specs); + + UnitRef unit; + + PathState state, deserialized_state; + + bool inotify_triggered; + + bool make_directory; + mode_t directory_mode; + + PathResult result; +}; + +void path_unit_notify(Unit *u, UnitActiveState new_state); + +/* Called from the mount code figure out if a mount is a dependency of + * any of the paths of this path object */ +int path_add_one_mount_link(Path *p, Mount *m); + +extern const UnitVTable path_vtable; + +const char* path_state_to_string(PathState i); +PathState path_state_from_string(const char *s); + +const char* path_type_to_string(PathType i); +PathType path_type_from_string(const char *s); + +const char* path_result_to_string(PathResult i); +PathResult path_result_from_string(const char *s); + +#endif |