| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| |
| #include <unistd.h> |
| #include <fcntl.h> |
| |
| #include "sd-bus.h" |
| |
| #include "bus-util.h" |
| #include "fd-util.h" |
| #include "macro.h" |
| |
| static int inhibit(sd_bus *bus, const char *what) { |
| _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
| _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
| const char *who = "Test Tool", *reason = "Just because!", *mode = "block"; |
| int fd; |
| int r; |
| |
| r = sd_bus_call_method(bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "Inhibit", |
| &error, |
| &reply, |
| "ssss", what, who, reason, mode); |
| assert_se(r >= 0); |
| |
| r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_UNIX_FD, &fd); |
| assert_se(r >= 0); |
| assert_se(fd >= 0); |
| |
| return fcntl(fd, F_DUPFD_CLOEXEC, 3); |
| } |
| |
| static void print_inhibitors(sd_bus *bus) { |
| _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
| _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
| const char *what, *who, *why, *mode; |
| uint32_t uid, pid; |
| unsigned n = 0; |
| int r; |
| |
| r = sd_bus_call_method(bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "ListInhibitors", |
| &error, |
| &reply, |
| ""); |
| assert_se(r >= 0); |
| |
| r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)"); |
| assert_se(r >= 0); |
| |
| while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) { |
| printf("what=<%s> who=<%s> why=<%s> mode=<%s> uid=<%"PRIu32"> pid=<%"PRIu32">\n", |
| what, who, why, mode, uid, pid); |
| |
| n++; |
| } |
| assert_se(r >= 0); |
| |
| printf("%u inhibitors\n", n); |
| } |
| |
| int main(int argc, char *argv[]) { |
| _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL; |
| int fd1, fd2; |
| int r; |
| |
| r = sd_bus_open_system(&bus); |
| assert_se(r >= 0); |
| |
| print_inhibitors(bus); |
| |
| fd1 = inhibit(bus, "sleep"); |
| assert_se(fd1 >= 0); |
| print_inhibitors(bus); |
| |
| fd2 = inhibit(bus, "idle:shutdown"); |
| assert_se(fd2 >= 0); |
| print_inhibitors(bus); |
| |
| safe_close(fd1); |
| sleep(1); |
| print_inhibitors(bus); |
| |
| safe_close(fd2); |
| sleep(1); |
| print_inhibitors(bus); |
| |
| return 0; |
| } |