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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/libsystemd/sd-bus/bus-kernel.c | |
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/libsystemd/sd-bus/bus-kernel.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/libsystemd/sd-bus/bus-kernel.c b/src/libsystemd/sd-bus/bus-kernel.c new file mode 100644 index 0000000..b553f15 --- /dev/null +++ b/src/libsystemd/sd-bus/bus-kernel.c @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#if HAVE_VALGRIND_MEMCHECK_H +#include <valgrind/memcheck.h> +#endif + +#include <fcntl.h> +#include <malloc.h> +#include <sys/mman.h> +#include <sys/prctl.h> + +#include "alloc-util.h" +#include "bus-internal.h" +#include "bus-kernel.h" +#include "bus-label.h" +#include "bus-message.h" +#include "capability-util.h" +#include "fd-util.h" +#include "fileio.h" +#include "format-util.h" +#include "memfd-util.h" +#include "parse-util.h" +#include "stdio-util.h" +#include "string-util.h" +#include "strv.h" +#include "user-util.h" +#include "memory-util.h" + +void close_and_munmap(int fd, void *address, size_t size) { + if (size > 0) + assert_se(munmap(address, PAGE_ALIGN(size)) >= 0); + + safe_close(fd); +} + +void bus_flush_memfd(sd_bus *b) { + assert(b); + + for (unsigned i = 0; i < b->n_memfd_cache; i++) + close_and_munmap(b->memfd_cache[i].fd, b->memfd_cache[i].address, b->memfd_cache[i].mapped); +} |