int main(int argc, char *argv[])
{
parse_opts(argc, argv);
setup_msr();
setup_drm();
setup_modeset();
setup_vblank_interval();
setup_alarm();
printf("Test name:\t%s\n", opts.test_name);
unset_mode();
set_mode();
setup_idle();
if (opts.do_page_flip)
page_flip_test();
if (opts.do_draw)
draw_test();
if (opts.do_draw_and_flip)
draw_and_flip_test();
teardown_modeset();
teardown_drm();
teardown_msr();
return 0;
}
int
ompi_mtl_portals4_flowctl_add_procs(size_t me,
size_t npeers,
struct ompi_proc_t **procs)
{
int i;
/* if epoch isn't 0, that means setup trees has been called, which
means that this add_procs is a dynamic process, which we don't
support */
if (ompi_mtl_portals4.flowctl.epoch_counter != -1) {
return OMPI_ERR_NOT_SUPPORTED;
}
ompi_mtl_portals4.flowctl.epoch_counter = 0;
ompi_mtl_portals4.flowctl.num_procs = npeers;
if (0 == me) ompi_mtl_portals4.flowctl.i_am_root = true;
else ompi_mtl_portals4.flowctl.i_am_root = false;
if (ompi_mtl_portals4.use_logical) {
ompi_mtl_portals4.flowctl.root.rank = 0;
if (false == ompi_mtl_portals4.flowctl.i_am_root) {
ompi_mtl_portals4.flowctl.parent.rank = (me - 1) / 2;
}
ompi_mtl_portals4.flowctl.me.rank = me;
}
else {
ompi_mtl_portals4.flowctl.root =
*((ptl_process_t*) procs[0]->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_PORTALS4]);
if (false == ompi_mtl_portals4.flowctl.i_am_root) {
ompi_mtl_portals4.flowctl.parent =
*((ptl_process_t*) procs[(me - 1) / 2]->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_PORTALS4]);
}
ompi_mtl_portals4.flowctl.me =
*((ptl_process_t*) procs[me]->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_PORTALS4]);
}
for (i = 0 ; i < 2 ; ++i) {
size_t tmp = (2 * me) + i + 1;
if (tmp < npeers) {
ompi_mtl_portals4.flowctl.num_children++;
if (ompi_mtl_portals4.use_logical)
ompi_mtl_portals4.flowctl.children[i].rank = tmp;
else ompi_mtl_portals4.flowctl.children[i] =
*((ptl_process_t*) procs[tmp]->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_PORTALS4]);
}
}
return setup_alarm(ompi_mtl_portals4.flowctl.epoch_counter);
}
/*!
* @brief This function will be called by the Scheduler. It takes the battery number as input, and returns a binary message as output.
* @param battery_number the battery number
* @return a binary message that contains the battery level, from 0x0 to 0xE
*/
unsigned char get_battery_level(int battery_number) {
/* get the percentage from the battery*/
uint16_t percentage = get_percentage(battery_number);
if (battery_number == FIRST_BATTERY) {
/* send the percentage to the alarm */
setup_alarm(percentage);
/* send the percentage to the leds*/
display_percentage(percentage);
}
/* the new bin msg protocol needs to be negotiated with Scheduler*/
// uint8_t binMsg = make_msg(batteryNumber, percentage);
unsigned char bin_msg = translate_level(percentage);
return bin_msg;
}
static i32 hwt64_create_alarm(cc_hndl hndl, struct u64_val *expires,
enum cc_hw_timer_mode mode)
{ u32 intr_mask;
i32 rv = -1;
struct hw_rtc64 *rtc = (struct hw_rtc64*) hndl;
intr_mask = dsbl_irqc();
if(rtc && (false == rtc->has_alarm)) {
rv = setup_alarm(rtc, expires);
}
enbl_irqc(intr_mask);
return rv;
}
static i32 hwt64_update_alarm(cc_hndl hndl, struct u64_val *expires)
{
u32 intr_mask;
i32 rv = -1;
struct hw_rtc64 *rtc = (struct hw_rtc64*) hndl;
intr_mask = dsbl_irqc();
if(rtc && (true == rtc->has_alarm)) {
rv = setup_alarm(rtc, expires);
}
enbl_irqc(intr_mask);
return rv;
}
static void
run_child(void)
{
struct sockaddr_in sin;
int rc = 0;
listen_socket = socket(PF_INET, SOCK_STREAM, 0);
if (listen_socket < 0) {
printf("# socket: %s\n", strerror(errno));
rc = -1;
}
if (!rc) {
bzero(&sin, sizeof(sin));
sin.sin_len = sizeof(sin);
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
sin.sin_port = htons(TEST_PORT);
if (bind(listen_socket, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
printf("# bind: %s\n", strerror(errno));
rc = -1;
}
}
if (!rc && listen(listen_socket, -1) < 0) {
printf("# listen: %s\n", strerror(errno));
rc = -1;
}
if (!rc) {
accept_socket = accept(listen_socket, NULL, NULL);
setup_alarm(TEST_SECONDS);
if (receive_test() != 0)
rc = -1;
}
cancel_alarm();
if (accept_socket > 0)
close(accept_socket);
if (listen_socket > 0)
close(listen_socket);
_exit(rc);
}
int main(int argc, char **argv)
{
char *devname = DEFAULT_DEVICE;
unsigned seconds = 0;
char *suspend = DEFAULT_MODE;
int t;
int fd;
time_t alarm = 0;
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
progname = basename(argv[0]);
while ((t = getopt_long(argc, argv, "ahd:lm:s:t:uVv",
long_options, NULL)) != EOF) {
switch (t) {
case 'a':
/* CM_AUTO is default */
break;
case 'd':
devname = strdup(optarg);
break;
case 'l':
clock_mode = CM_LOCAL;
break;
/* what system power mode to use? for now handle only
* standardized mode names; eventually when systems
* define their own state names, parse
* /sys/power/state.
*
* "on" is used just to test the RTC alarm mechanism,
* bypassing all the wakeup-from-sleep infrastructure.
*/
case 'm':
if (strcmp(optarg, "standby") == 0
|| strcmp(optarg, "mem") == 0
|| strcmp(optarg, "disk") == 0
|| strcmp(optarg, "on") == 0
|| strcmp(optarg, "no") == 0
) {
suspend = strdup(optarg);
break;
}
fprintf(stderr,
_("%s: unrecognized suspend state '%s'\n"),
progname, optarg);
usage(EXIT_FAILURE);
/* alarm time, seconds-to-sleep (relative) */
case 's':
t = atoi(optarg);
if (t < 0) {
fprintf(stderr,
_("%s: illegal interval %s seconds\n"),
progname, optarg);
usage(EXIT_FAILURE);
}
seconds = t;
break;
/* alarm time, time_t (absolute, seconds since
* 1/1 1970 UTC)
*/
case 't':
t = atoi(optarg);
if (t < 0) {
fprintf(stderr,
_("%s: illegal time_t value %s\n"),
progname, optarg);
usage(EXIT_FAILURE);
}
alarm = t;
break;
case 'u':
clock_mode = CM_UTC;
break;
case 'v':
verbose++;
break;
case 'V':
printf(_("%s: version %s\n"), progname, VERSION_STRING);
exit(EXIT_SUCCESS);
case 'h':
usage(EXIT_SUCCESS);
default:
usage(EXIT_FAILURE);
}
}
if (clock_mode == CM_AUTO) {
if (read_clock_mode() < 0) {
printf(_("%s: assuming RTC uses UTC ...\n"), progname);
clock_mode = CM_UTC;
}
}
if (verbose)
printf(clock_mode == CM_UTC ? _("Using UTC time.\n") :
_("Using local time.\n"));
if (!alarm && !seconds) {
fprintf(stderr, _("%s: must provide wake time\n"), progname);
usage(EXIT_FAILURE);
}
/* when devname doesn't start with /dev, append it */
if (strncmp(devname, "/dev/", strlen("/dev/")) != 0) {
char *new_devname;
new_devname = malloc(strlen(devname) + strlen("/dev/") + 1);
if (!new_devname) {
perror(_("malloc() failed"));
exit(EXIT_FAILURE);
}
strcpy(new_devname, "/dev/");
strcat(new_devname, devname);
free(devname);
devname = new_devname;
}
if (strcmp(suspend, "on") != 0 && strcmp(suspend, "no") != 0
&& !is_wakeup_enabled(devname)) {
fprintf(stderr, _("%s: %s not enabled for wakeup events\n"),
progname, devname);
exit(EXIT_FAILURE);
}
/* this RTC must exist and (if we'll sleep) be wakeup-enabled */
fd = open(devname, O_RDONLY);
if (fd < 0) {
perror(devname);
exit(EXIT_FAILURE);
}
/* relative or absolute alarm time, normalized to time_t */
if (get_basetimes(fd) < 0)
exit(EXIT_FAILURE);
if (verbose)
printf(_("alarm %ld, sys_time %ld, rtc_time %ld, seconds %u\n"),
alarm, sys_time, rtc_time, seconds);
if (alarm) {
if (alarm < sys_time) {
fprintf(stderr,
_("%s: time doesn't go backward to %s\n"),
progname, ctime(&alarm));
exit(EXIT_FAILURE);
}
alarm += sys_time - rtc_time;
} else
alarm = rtc_time + seconds + 1;
if (setup_alarm(fd, &alarm) < 0)
exit(EXIT_FAILURE);
printf(_("%s: wakeup from \"%s\" using %s at %s\n"),
progname, suspend, devname,
ctime(&alarm));
fflush(stdout);
usleep(10 * 1000);
if (strcmp(suspend, "no") == 0)
exit(EXIT_SUCCESS);
else if (strcmp(suspend, "on") != 0) {
sync();
suspend_system(suspend);
} else {
unsigned long data;
do {
t = read(fd, &data, sizeof data);
if (t < 0) {
perror(_("rtc read"));
break;
}
if (verbose)
printf("... %s: %03lx\n", devname, data);
} while (!(data & RTC_AF));
}
if (ioctl(fd, RTC_AIE_OFF, 0) < 0)
perror(_("disable rtc alarm interrupt"));
close(fd);
exit(EXIT_SUCCESS);
}
int rtcwake_main(int argc UNUSED_PARAM, char **argv)
{
time_t rtc_time;
unsigned opt;
const char *rtcname = NULL;
const char *suspend;
const char *opt_seconds;
const char *opt_time;
time_t sys_time;
time_t alarm_time = 0;
unsigned seconds = 0;
int utc = -1;
int fd;
#if ENABLE_LONG_OPTS
static const char rtcwake_longopts[] ALIGN1 =
"auto\0" No_argument "a"
"local\0" No_argument "l"
"utc\0" No_argument "u"
"device\0" Required_argument "d"
"mode\0" Required_argument "m"
"seconds\0" Required_argument "s"
"time\0" Required_argument "t"
;
applet_long_options = rtcwake_longopts;
#endif
opt = getopt32(argv, "alud:m:s:t:", &rtcname, &suspend, &opt_seconds, &opt_time);
/* this is the default
if (opt & RTCWAKE_OPT_AUTO)
utc = -1;
*/
if (opt & (RTCWAKE_OPT_UTC | RTCWAKE_OPT_LOCAL))
utc = opt & RTCWAKE_OPT_UTC;
if (!(opt & RTCWAKE_OPT_SUSPEND_MODE))
suspend = DEFAULT_MODE;
if (opt & RTCWAKE_OPT_SECONDS)
/* alarm time, seconds-to-sleep (relative) */
seconds = xatoi(opt_seconds);
if (opt & RTCWAKE_OPT_TIME)
/* alarm time, time_t (absolute, seconds since 1/1 1970 UTC) */
alarm_time = xatol(opt_time);
if (!alarm_time && !seconds)
bb_error_msg_and_die("must provide wake time");
if (utc == -1)
utc = rtc_adjtime_is_utc();
/* the rtcname is relative to /dev */
xchdir("/dev");
/* this RTC must exist and (if we'll sleep) be wakeup-enabled */
fd = rtc_xopen(&rtcname, O_RDONLY);
if (strcmp(suspend, "on") && !may_wakeup(rtcname))
bb_error_msg_and_die("%s not enabled for wakeup events", rtcname);
/* relative or absolute alarm time, normalized to time_t */
sys_time = time(NULL);
{
struct tm tm_time;
rtc_read_tm(&tm_time, fd);
rtc_time = rtc_tm2time(&tm_time, utc);
}
if (alarm_time) {
if (alarm_time < sys_time)
bb_error_msg_and_die("time doesn't go backward to %s", ctime(&alarm_time));
alarm_time += sys_time - rtc_time;
} else
alarm_time = rtc_time + seconds + 1;
setup_alarm(fd, &alarm_time, rtc_time);
sync();
printf("wakeup from \"%s\" at %s", suspend, ctime(&alarm_time));
fflush_all();
usleep(10 * 1000);
if (strcmp(suspend, "on"))
xopen_xwrite_close(SYS_POWER_PATH, suspend);
else {
/* "fake" suspend ... we'll do the delay ourselves */
unsigned long data;
do {
ssize_t ret = safe_read(fd, &data, sizeof(data));
if (ret < 0) {
bb_perror_msg("rtc read");
break;
}
} while (!(data & RTC_AF));
}
xioctl(fd, RTC_AIE_OFF, 0);
if (ENABLE_FEATURE_CLEAN_UP)
close(fd);
return EXIT_SUCCESS;
}
int rtcwake_main(int argc UNUSED_PARAM, char **argv)
{
unsigned opt;
const char *rtcname = NULL;
const char *suspend = "standby";
const char *opt_seconds;
const char *opt_time;
time_t rtc_time;
time_t sys_time;
time_t alarm_time = alarm_time;
unsigned seconds = seconds; /* for compiler */
int utc = -1;
int fd;
#if ENABLE_LONG_OPTS
static const char rtcwake_longopts[] ALIGN1 =
"auto\0" No_argument "a"
"local\0" No_argument "l"
"utc\0" No_argument "u"
"device\0" Required_argument "d"
"mode\0" Required_argument "m"
"seconds\0" Required_argument "s"
"time\0" Required_argument "t"
;
#endif
opt = getopt32long(argv,
/* Must have -s or -t, exclusive */
"^alud:m:s:t:" "\0" "s:t:s--t:t--s", rtcwake_longopts,
&rtcname, &suspend, &opt_seconds, &opt_time);
/* this is the default
if (opt & RTCWAKE_OPT_AUTO)
utc = -1;
*/
if (opt & (RTCWAKE_OPT_UTC | RTCWAKE_OPT_LOCAL))
utc = opt & RTCWAKE_OPT_UTC;
if (opt & RTCWAKE_OPT_SECONDS) {
/* alarm time, seconds-to-sleep (relative) */
seconds = xatou(opt_seconds);
} else {
/* RTCWAKE_OPT_TIME */
/* alarm time, time_t (absolute, seconds since 1/1 1970 UTC) */
if (sizeof(alarm_time) <= sizeof(long))
alarm_time = xatol(opt_time);
else
alarm_time = xatoll(opt_time);
}
if (utc == -1)
utc = rtc_adjtime_is_utc();
/* the rtcname is relative to /dev */
xchdir("/dev");
/* this RTC must exist and (if we'll sleep) be wakeup-enabled */
fd = rtc_xopen(&rtcname, O_RDONLY);
if (strcmp(suspend, "on") != 0)
if (!may_wakeup(rtcname))
bb_error_msg_and_die("%s not enabled for wakeup events", rtcname);
/* relative or absolute alarm time, normalized to time_t */
sys_time = time(NULL);
{
struct tm tm_time;
rtc_read_tm(&tm_time, fd);
rtc_time = rtc_tm2time(&tm_time, utc);
}
if (opt & RTCWAKE_OPT_TIME) {
/* Correct for RTC<->system clock difference */
alarm_time += rtc_time - sys_time;
if (alarm_time < rtc_time)
/*
* Compat message text.
* I'd say "RTC time is already ahead of ..." instead.
*/
bb_error_msg_and_die("time doesn't go backward to %s", ctime(&alarm_time));
} else
alarm_time = rtc_time + seconds + 1;
setup_alarm(fd, &alarm_time, rtc_time);
sync();
#if 0 /*debug*/
printf("sys_time: %s", ctime(&sys_time));
printf("rtc_time: %s", ctime(&rtc_time));
#endif
printf("wakeup from \"%s\" at %s", suspend, ctime(&alarm_time));
fflush_all();
usleep(10 * 1000);
if (strcmp(suspend, "on") != 0)
xopen_xwrite_close(SYS_POWER_PATH, suspend);
else {
/* "fake" suspend ... we'll do the delay ourselves */
unsigned long data;
do {
ssize_t ret = safe_read(fd, &data, sizeof(data));
if (ret < 0) {
bb_perror_msg("rtc read");
break;
}
} while (!(data & RTC_AF));
}
xioctl(fd, RTC_AIE_OFF, 0);
if (ENABLE_FEATURE_CLEAN_UP)
close(fd);
return EXIT_SUCCESS;
}
int main(int argc, char **argv)
{
struct rtcwake_control ctl = {
.mode_str = "suspend", /* default mode */
.adjfile = _PATH_ADJTIME,
.clock_mode = CM_AUTO
};
char *devname = DEFAULT_RTC_DEVICE;
unsigned seconds = 0;
int suspend = SYSFS_MODE;
int rc = EXIT_SUCCESS;
int t;
int fd;
time_t alarm = 0;
enum {
OPT_DATE = CHAR_MAX + 1,
OPT_LIST
};
static const struct option long_options[] = {
{"adjfile", required_argument, 0, 'A'},
{"auto", no_argument, 0, 'a'},
{"dry-run", no_argument, 0, 'n'},
{"local", no_argument, 0, 'l'},
{"utc", no_argument, 0, 'u'},
{"verbose", no_argument, 0, 'v'},
{"version", no_argument, 0, 'V'},
{"help", no_argument, 0, 'h'},
{"mode", required_argument, 0, 'm'},
{"device", required_argument, 0, 'd'},
{"seconds", required_argument, 0, 's'},
{"time", required_argument, 0, 't'},
{"date", required_argument, 0, OPT_DATE},
{"list-modes", no_argument, 0, OPT_LIST},
{0, 0, 0, 0 }
};
static const ul_excl_t excl[] = {
{ 'a', 'l', 'u' },
{ 's', 't', OPT_DATE },
};
int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT;
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
while ((t = getopt_long(argc, argv, "A:ahd:lm:ns:t:uVv",
long_options, NULL)) != EOF) {
err_exclusive_options(t, long_options, excl, excl_st);
switch (t) {
case 'A':
/* for better compatibility with hwclock */
ctl.adjfile = optarg;
break;
case 'a':
ctl.clock_mode = CM_AUTO;
break;
case 'd':
devname = optarg;
break;
case 'l':
ctl.clock_mode = CM_LOCAL;
break;
case OPT_LIST:
list_modes(&ctl);
return EXIT_SUCCESS;
case 'm':
if ((suspend = get_rtc_mode(&ctl, optarg)) < 0)
errx(EXIT_FAILURE, _("unrecognized suspend state '%s'"), optarg);
ctl.mode_str = optarg;
break;
case 'n':
ctl.dryrun = 1;
break;
case 's':
/* alarm time, seconds-to-sleep (relative) */
seconds = strtou32_or_err(optarg, _("invalid seconds argument"));
break;
case 't':
/* alarm time, time_t (absolute, seconds since epoch) */
alarm = strtou32_or_err(optarg, _("invalid time argument"));
break;
case OPT_DATE:
{ /* alarm time, see timestamp format from manual */
usec_t p;
if (parse_timestamp(optarg, &p) < 0)
errx(EXIT_FAILURE, _("invalid time value \"%s\""), optarg);
alarm = (time_t) (p / 1000000);
break;
}
case 'u':
ctl.clock_mode = CM_UTC;
break;
case 'v':
ctl.verbose = 1;
break;
case 'V':
printf(UTIL_LINUX_VERSION);
exit(EXIT_SUCCESS);
case 'h':
usage(stdout);
default:
usage(stderr);
}
}
if (ctl.clock_mode == CM_AUTO) {
if (read_clock_mode(&ctl) < 0) {
printf(_("%s: assuming RTC uses UTC ...\n"),
program_invocation_short_name);
ctl.clock_mode = CM_UTC;
}
}
if (ctl.verbose)
printf("%s", ctl.clock_mode == CM_UTC ? _("Using UTC time.\n") :
_("Using local time.\n"));
if (!alarm && !seconds && suspend != DISABLE_MODE && suspend != SHOW_MODE)
errx(EXIT_FAILURE, _("must provide wake time (see --seconds, --time and --date options)"));
/* device must exist and (if we'll sleep) be wakeup-enabled */
fd = open_dev_rtc(devname);
if (suspend != ON_MODE && suspend != NO_MODE && !is_wakeup_enabled(devname))
errx(EXIT_FAILURE, _("%s not enabled for wakeup events"), devname);
/* relative or absolute alarm time, normalized to time_t */
if (get_basetimes(&ctl, fd) < 0)
exit(EXIT_FAILURE);
if (ctl.verbose)
printf(_("alarm %ld, sys_time %ld, rtc_time %ld, seconds %u\n"),
alarm, ctl.sys_time, ctl.rtc_time, seconds);
if (suspend != DISABLE_MODE && suspend != SHOW_MODE) {
/* perform alarm setup when the show or disable modes are not set */
if (alarm) {
if (alarm < ctl.sys_time)
errx(EXIT_FAILURE, _("time doesn't go backward to %s"),
ctime(&alarm));
alarm += ctl.sys_time - ctl.rtc_time;
} else
alarm = ctl.rtc_time + seconds + 1;
if (setup_alarm(&ctl, fd, &alarm) < 0)
exit(EXIT_FAILURE);
if (suspend == NO_MODE || suspend == ON_MODE)
printf(_("%s: wakeup using %s at %s"),
program_invocation_short_name, devname,
ctime(&alarm));
else
printf(_("%s: wakeup from \"%s\" using %s at %s"),
program_invocation_short_name, ctl.mode_str, devname,
ctime(&alarm));
fflush(stdout);
xusleep(10 * 1000);
}
switch (suspend) {
case NO_MODE:
if (ctl.verbose)
printf(_("suspend mode: no; leaving\n"));
ctl.dryrun = 1; /* to skip disabling alarm at the end */
break;
case OFF_MODE:
{
char *arg[5];
int i = 0;
if (ctl.verbose)
printf(_("suspend mode: off; executing %s\n"),
_PATH_SHUTDOWN);
arg[i++] = _PATH_SHUTDOWN;
arg[i++] = "-h";
arg[i++] = "-P";
arg[i++] = "now";
arg[i] = NULL;
if (!ctl.dryrun) {
execv(arg[0], arg);
warn(_("failed to execute %s"), _PATH_SHUTDOWN);
rc = EXIT_FAILURE;
}
break;
}
case ON_MODE:
{
unsigned long data;
if (ctl.verbose)
printf(_("suspend mode: on; reading rtc\n"));
if (!ctl.dryrun) {
do {
t = read(fd, &data, sizeof data);
if (t < 0) {
warn(_("rtc read failed"));
break;
}
if (ctl.verbose)
printf("... %s: %03lx\n", devname, data);
} while (!(data & RTC_AF));
}
break;
}
case DISABLE_MODE:
/* just break, alarm gets disabled in the end */
if (ctl.verbose)
printf(_("suspend mode: disable; disabling alarm\n"));
break;
case SHOW_MODE:
if (ctl.verbose)
printf(_("suspend mode: show; printing alarm info\n"));
if (print_alarm(&ctl, fd))
rc = EXIT_FAILURE;
ctl.dryrun = 1; /* don't really disable alarm in the end, just show */
break;
default:
if (ctl.verbose)
printf(_("suspend mode: %s; suspending system\n"), ctl.mode_str);
sync();
suspend_system(&ctl);
}
if (!ctl.dryrun) {
struct rtc_wkalrm wake;
if (ioctl(fd, RTC_WKALM_RD, &wake) < 0) {
warn(_("read rtc alarm failed"));
rc = EXIT_FAILURE;
} else {
wake.enabled = 0;
if (ioctl(fd, RTC_WKALM_SET, &wake) < 0) {
warn(_("disable rtc alarm interrupt failed"));
rc = EXIT_FAILURE;
}
}
}
close(fd);
return rc;
}
static int
start_recover(void)
{
int ret;
int64_t epoch_counter;
ompi_mtl_portals4.flowctl.flowctl_active = true;
epoch_counter = opal_atomic_add_64(&ompi_mtl_portals4.flowctl.epoch_counter, 1);
opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
"Entering flowctl_start_recover %ld",
epoch_counter);
/* re-arm trigger/alarm for next time */
ret = setup_alarm(epoch_counter);
if (OMPI_SUCCESS != ret) {
opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
"%s:%d setup_alarm failed: %d\n",
__FILE__, __LINE__, ret);
return ret;
}
/* setup barrier tree for getting us out of flow control */
ret = setup_barrier(epoch_counter);
if (OMPI_SUCCESS != ret) {
opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
"%s:%d setup_barrier failed: %d\n",
__FILE__, __LINE__, ret);
return ret;
}
/* drain all pending sends */
while (ompi_mtl_portals4.flowctl.send_slots !=
ompi_mtl_portals4.flowctl.max_send_slots) {
opal_progress();
}
/* drain event queue */
while (0 != ompi_mtl_portals4_progress()) { ; }
/* check short block active count */
ret = ompi_mtl_portals4_recv_short_link(1);
if (OMPI_SUCCESS != ret) {
opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
"%s:%d: recv_short_link failed: %d",
__FILE__, __LINE__, ret);
}
/* reorder the pending sends by operation count */
ret = opal_list_sort(&ompi_mtl_portals4.flowctl.pending_sends, seqnum_compare);
if (OMPI_SUCCESS != ret) {
opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
"%s:%d opal_list_sort failed: %d\n",
__FILE__, __LINE__, ret);
return ret;
}
/* drain event queue again, just to make sure */
while (0 != ompi_mtl_portals4_progress()) { ; }
/* send barrier entry message */
ret = PtlPut(ompi_mtl_portals4.zero_md_h,
0,
0,
PTL_NO_ACK_REQ,
ompi_mtl_portals4.flowctl.me,
ompi_mtl_portals4.flowctl_idx,
MTL_PORTALS4_FLOWCTL_FANIN,
0,
NULL,
0);
if (OPAL_UNLIKELY(PTL_OK != ret)) {
opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
"%s:%d: PtlPut failed: %d\n",
__FILE__, __LINE__, ret);
goto error;
}
/* recovery complete when fan-out event arrives, async event, so
we're done now */
ret = OMPI_SUCCESS;
error:
OPAL_OUTPUT_VERBOSE((50, ompi_mtl_base_framework.framework_output,
"Exiting flowctl_start_recover %ld",
epoch_counter));
return ret;
}
