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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/shared/fdset.h | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/shared/fdset.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/shared/fdset.h b/src/shared/fdset.h new file mode 100644 index 0000000..e8a6b48 --- /dev/null +++ b/src/shared/fdset.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include <stdbool.h> + +#include "hashmap.h" +#include "macro.h" +#include "set.h" + +typedef struct FDSet FDSet; + +FDSet* fdset_new(void); +FDSet* fdset_free(FDSet *s); + +int fdset_put(FDSet *s, int fd); +int fdset_put_dup(FDSet *s, int fd); + +bool fdset_contains(FDSet *s, int fd); +int fdset_remove(FDSet *s, int fd); + +int fdset_new_array(FDSet **ret, const int *fds, size_t n_fds); +int fdset_new_fill(int filter_cloexec, FDSet **ret); +int fdset_new_listen_fds(FDSet **ret, bool unset); + +int fdset_cloexec(FDSet *fds, bool b); + +int fdset_close_others(FDSet *fds); + +unsigned fdset_size(FDSet *fds); +bool fdset_isempty(FDSet *fds); + +int fdset_iterate(FDSet *s, Iterator *i); + +int fdset_steal_first(FDSet *fds); + +void fdset_close(FDSet *fds); + +#define _FDSET_FOREACH(fd, fds, i) \ + for (Iterator i = ITERATOR_FIRST; ((fd) = fdset_iterate((fds), &i)) >= 0; ) +#define FDSET_FOREACH(fd, fds) \ + _FDSET_FOREACH(fd, fds, UNIQ_T(i, UNIQ)) + +DEFINE_TRIVIAL_CLEANUP_FUNC(FDSet*, fdset_free); +#define _cleanup_fdset_free_ _cleanup_(fdset_freep) |