diff options
Diffstat (limited to 'src/bftw.c')
-rw-r--r-- | src/bftw.c | 27 |
1 files changed, 19 insertions, 8 deletions
@@ -253,7 +253,7 @@ struct bftw_file { /** The length of the file's name. */ size_t namelen; /** The file's name. */ - char name[]; + char name[]; // _counted_by(namelen + 1) }; /** @@ -448,7 +448,7 @@ static void bftw_queue_rebalance(struct bftw_queue *queue, bool async) { } } -/** Detatch the next waiting file. */ +/** Detach the next waiting file. */ static void bftw_queue_detach(struct bftw_queue *queue, struct bftw_file *file, bool async) { bfs_assert(!file->ioqueued); @@ -1008,6 +1008,7 @@ static int bftw_ioq_pop(struct bftw_state *state, bool block) { return -1; } + ioq_submit(ioq); struct ioq_ent *ent = ioq_pop(ioq, block); if (!ent) { return -1; @@ -1051,6 +1052,10 @@ static int bftw_ioq_pop(struct bftw_state *state, bool block) { bftw_queue_attach(&state->fileq, file, true); break; + + default: + bfs_bug("Unexpected ioq op %d", (int)op); + break; } ioq_free(ioq, ent); @@ -1162,12 +1167,13 @@ static int bftw_file_open(struct bftw_state *state, struct bftw_file *file, cons struct bftw_list parents; SLIST_INIT(&parents); - struct bftw_file *cur; - for (cur = file; cur != base; cur = cur->parent) { + // Reverse the chain of parents + for (struct bftw_file *cur = file; cur != base; cur = cur->parent) { SLIST_PREPEND(&parents, cur); } - while ((cur = SLIST_POP(&parents))) { + // Open each component relative to its parent + drain_slist (struct bftw_file, cur, &parents) { if (!cur->parent || cur->parent->fd >= 0) { bftw_file_openat(state, cur, cur->parent, cur->name); } @@ -1479,7 +1485,8 @@ fail: /** Check if we should stat() a file asynchronously. */ static bool bftw_should_ioq_stat(struct bftw_state *state, struct bftw_file *file) { - // To avoid surprising users too much, process the roots in order + // POSIX wants the root paths to be processed in order + // See https://www.austingroupbugs.net/view.php?id=1859 if (file->depth == 0) { return false; } @@ -1870,8 +1877,8 @@ static int bftw_gc(struct bftw_state *state, enum bftw_gc_flags flags) { } state->direrror = 0; - while ((file = SLIST_POP(&state->to_close, ready))) { - bftw_unwrapdir(state, file); + drain_slist (struct bftw_file, dead, &state->to_close, ready) { + bftw_unwrapdir(state, dead); } enum bftw_gc_flags visit = BFTW_VISIT_FILE; @@ -1952,6 +1959,10 @@ static void bftw_flush(struct bftw_state *state) { bftw_queue_flush(&state->dirq); bftw_ioq_opendirs(state); + + if (state->ioq) { + ioq_submit(state->ioq); + } } /** Close the current directory. */ |