From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/cgroups-agent/cgroups-agent.c | 54 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 src/cgroups-agent/cgroups-agent.c (limited to 'src/cgroups-agent/cgroups-agent.c') diff --git a/src/cgroups-agent/cgroups-agent.c b/src/cgroups-agent/cgroups-agent.c new file mode 100644 index 0000000..9126736 --- /dev/null +++ b/src/cgroups-agent/cgroups-agent.c @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include + +#include "fd-util.h" +#include "log.h" +#include "socket-util.h" + +int main(int argc, char *argv[]) { + + static const union sockaddr_union sa = { + .un.sun_family = AF_UNIX, + .un.sun_path = "/run/systemd/cgroups-agent", + }; + + _cleanup_close_ int fd = -1; + ssize_t n; + size_t l; + int r; + + r = rearrange_stdio(-1, -1, -1); + if (r < 0) { + log_error_errno(r, "Failed to connect stdin/stdout/stderr with /dev/null: %m"); + return EXIT_FAILURE; + } + + if (argc != 2) { + log_error("Incorrect number of arguments."); + return EXIT_FAILURE; + } + + log_setup(); + + fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0); + if (fd < 0) { + log_debug_errno(errno, "Failed to allocate socket: %m"); + return EXIT_FAILURE; + } + + l = strlen(argv[1]); + + n = sendto(fd, argv[1], l, 0, &sa.sa, SOCKADDR_UN_LEN(sa.un)); + if (n < 0) { + log_debug_errno(errno, "Failed to send cgroups agent message: %m"); + return EXIT_FAILURE; + } + + if ((size_t) n != l) { + log_debug("Datagram size mismatch"); + return EXIT_FAILURE; + } + + return EXIT_SUCCESS; +} -- cgit v1.2.3