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