diff options
| -rw-r--r-- | src/basic/fs-util.c | 15 | ||||
| -rw-r--r-- | src/basic/fs-util.h | 2 | ||||
| -rw-r--r-- | src/journal/sd-journal.c | 10 |
3 files changed, 22 insertions, 5 deletions
diff --git a/src/basic/fs-util.c b/src/basic/fs-util.c index 51268828af..e24e7036f7 100644 --- a/src/basic/fs-util.c +++ b/src/basic/fs-util.c @@ -38,6 +38,7 @@ #include "mkdir.h" #include "parse-util.h" #include "path-util.h" +#include "stdio-util.h" #include "string-util.h" #include "strv.h" #include "time-util.h" @@ -493,3 +494,17 @@ int get_files_in_directory(const char *path, char ***list) { return n; } + +int inotify_add_watch_fd(int fd, int what, uint32_t mask) { + char path[strlen("/proc/self/fd/") + DECIMAL_STR_MAX(int) + 1]; + int r; + + /* This is like inotify_add_watch(), except that the file to watch is not referenced by a path, but by an fd */ + xsprintf(path, "/proc/self/fd/%i", what); + + r = inotify_add_watch(fd, path, mask); + if (r < 0) + return -errno; + + return r; +} diff --git a/src/basic/fs-util.h b/src/basic/fs-util.h index 0d23f8635f..517b599d6f 100644 --- a/src/basic/fs-util.h +++ b/src/basic/fs-util.h @@ -72,3 +72,5 @@ union inotify_event_buffer { struct inotify_event ev; uint8_t raw[INOTIFY_EVENT_MAX]; }; + +int inotify_add_watch_fd(int fd, int what, uint32_t mask); diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c index 3c21d4129e..7ae8941a5e 100644 --- a/src/journal/sd-journal.c +++ b/src/journal/sd-journal.c @@ -1420,10 +1420,10 @@ static int add_directory(sd_journal *j, const char *prefix, const char *dirname) if (m->wd <= 0 && j->inotify_fd >= 0) { - m->wd = inotify_add_watch(j->inotify_fd, m->path, - IN_CREATE|IN_MOVED_TO|IN_MODIFY|IN_ATTRIB|IN_DELETE| - IN_DELETE_SELF|IN_MOVE_SELF|IN_UNMOUNT|IN_MOVED_FROM| - IN_ONLYDIR); + m->wd = inotify_add_watch_fd(j->inotify_fd, dirfd(d), + IN_CREATE|IN_MOVED_TO|IN_MODIFY|IN_ATTRIB|IN_DELETE| + IN_DELETE_SELF|IN_MOVE_SELF|IN_UNMOUNT|IN_MOVED_FROM| + IN_ONLYDIR); if (m->wd > 0 && hashmap_put(j->directories_by_wd, INT_TO_PTR(m->wd), m) < 0) inotify_rm_watch(j->inotify_fd, m->wd); @@ -1505,7 +1505,7 @@ static int add_root_directory(sd_journal *j, const char *p, bool missing_ok) { if (m->wd <= 0 && j->inotify_fd >= 0) { - m->wd = inotify_add_watch(j->inotify_fd, m->path, + m->wd = inotify_add_watch_fd(j->inotify_fd, dirfd(d), IN_CREATE|IN_MOVED_TO|IN_MODIFY|IN_ATTRIB|IN_DELETE| IN_ONLYDIR); |