parent
9236cabf78
commit
ed698d3028
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@ -11,12 +11,12 @@
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#include "sd-messages.h"
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#include "parse-util.h"
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#include "def.h"
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#include "exec-util.h"
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#include "fd-util.h"
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#include "fileio.h"
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#include "log.h"
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#include "parse-util.h"
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#include "sleep-config.h"
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#include "stdio-util.h"
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#include "string-util.h"
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@ -40,21 +40,27 @@ static int write_hibernate_location_info(void) {
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return log_debug_errno(r, "Unable to find hibernation location: %m");
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/* if it's a swap partition, we just write the disk to /sys/power/resume */
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if (streq(type, "partition"))
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return write_string_file("/sys/power/resume", device, 0);
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else if (!streq(type, "file"))
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return log_debug_errno(EINVAL, "Invalid hibernate type %s: %m",
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type);
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if (streq(type, "partition")) {
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r = write_string_file("/sys/power/resume", device, 0);
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if (r < 0)
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return log_debug_errno(r, "Faileed to write partitoin device to /sys/power/resume: %m");
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return r;
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}
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if (!streq(type, "file")) {
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log_debug("Invalid hibernate type: %s", type);
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return -EINVAL;
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}
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/* Only available in 4.17+ */
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if (access("/sys/power/resume_offset", F_OK) < 0) {
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if (errno == ENOENT)
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return 0;
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return log_debug_errno(errno, "/sys/power/resume_offset unavailable: %m");
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}
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r = access("/sys/power/resume_offset", W_OK);
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if (r < 0)
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if (access("/sys/power/resume_offset", W_OK) < 0)
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return log_debug_errno(errno, "/sys/power/resume_offset not writeable: %m");
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fd = open(device, O_RDONLY | O_CLOEXEC | O_NONBLOCK);
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@ -63,26 +69,26 @@ static int write_hibernate_location_info(void) {
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r = fstat(fd, &stb);
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if (r < 0)
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return log_debug_errno(errno, "Unable to stat %s: %m", device);
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r = read_fiemap(fd, &fiemap);
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if (r < 0)
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return log_debug_errno(r, "Unable to read extent map for '%s': %m",
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device);
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return log_debug_errno(r, "Unable to read extent map for '%s': %m", device);
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if (fiemap->fm_mapped_extents == 0) {
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log_debug("No extents found in '%s'", device);
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return -EINVAL;
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}
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offset = fiemap->fm_extents[0].fe_physical / page_size();
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xsprintf(offset_str, "%" PRIu64, offset);
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r = write_string_file("/sys/power/resume_offset", offset_str, 0);
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if (r < 0)
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return log_debug_errno(r, "Failed to write offset '%s': %m",
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offset_str);
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return log_debug_errno(r, "Failed to write offset '%s': %m", offset_str);
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xsprintf(device_str, "%lx", (unsigned long)stb.st_dev);
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r = write_string_file("/sys/power/resume", device_str, 0);
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if (r < 0)
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return log_debug_errno(r, "Failed to write device '%s': %m",
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device_str);
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return log_debug_errno(r, "Failed to write device '%s': %m", device_str);
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return 0;
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}
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@ -94,12 +100,11 @@ static int write_mode(char **modes) {
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int k;
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k = write_string_file("/sys/power/disk", *mode, 0);
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if (k == 0)
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if (k >= 0)
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return 0;
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log_debug_errno(k, "Failed to write '%s' to /sys/power/disk: %m",
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*mode);
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if (r == 0)
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log_debug_errno(k, "Failed to write '%s' to /sys/power/disk: %m", *mode);
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if (r >= 0)
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r = k;
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}
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@ -114,11 +119,10 @@ static int write_state(FILE **f, char **states) {
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int k;
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k = write_string_stream(*f, *state, 0);
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if (k == 0)
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if (k >= 0)
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return 0;
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log_debug_errno(k, "Failed to write '%s' to /sys/power/state: %m",
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*state);
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if (r == 0)
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log_debug_errno(k, "Failed to write '%s' to /sys/power/state: %m", *state);
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if (r >= 0)
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r = k;
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fclose(*f);
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@ -315,10 +319,7 @@ static int parse_argv(int argc, char *argv[]) {
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arg_verb = argv[optind];
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if (!streq(arg_verb, "suspend") &&
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!streq(arg_verb, "hibernate") &&
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!streq(arg_verb, "hybrid-sleep") &&
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!streq(arg_verb, "suspend-then-hibernate")) {
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if (!STR_IN_SET(arg_verb, "suspend", "hibernate", "hybrid-sleep", "suspend-then-hibernate")) {
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log_error("Unknown command '%s'.", arg_verb);
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return -EINVAL;
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}
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@ -347,6 +348,7 @@ int main(int argc, char *argv[]) {
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r = execute_s2h(delay);
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else
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r = execute(modes, states);
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finish:
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return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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