| File: | src/usr.sbin/apmd/apmd.c |
| Warning: | line 481, column 3 Value stored to 'doperf' is never read |
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| 1 | /* $OpenBSD: apmd.c,v 1.106 2021/07/12 15:09:20 beck Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1995, 1996 John T. Kohl |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. The name of the author may not be used to endorse or promote products |
| 16 | * derived from this software without specific prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR |
| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| 22 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 26 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 27 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | * |
| 30 | */ |
| 31 | |
| 32 | #include <sys/stat.h> |
| 33 | #include <sys/ioctl.h> |
| 34 | #include <sys/socket.h> |
| 35 | #include <sys/un.h> |
| 36 | #include <sys/wait.h> |
| 37 | #include <sys/event.h> |
| 38 | #include <sys/time.h> |
| 39 | #include <sys/sysctl.h> |
| 40 | #include <assert.h> |
| 41 | #include <stdarg.h> |
| 42 | #include <stdio.h> |
| 43 | #include <syslog.h> |
| 44 | #include <fcntl.h> |
| 45 | #include <unistd.h> |
| 46 | #include <stdlib.h> |
| 47 | #include <string.h> |
| 48 | #include <signal.h> |
| 49 | #include <errno(*__errno()).h> |
| 50 | #include <err.h> |
| 51 | #include <limits.h> |
| 52 | #include <machine/apmvar.h> |
| 53 | |
| 54 | #include "pathnames.h" |
| 55 | #include "apm-proto.h" |
| 56 | |
| 57 | #define AUTO_SUSPEND1 1 |
| 58 | #define AUTO_HIBERNATE2 2 |
| 59 | |
| 60 | int debug = 0; |
| 61 | |
| 62 | extern char *__progname; |
| 63 | |
| 64 | void usage(void); |
| 65 | int power_status(int fd, int force, struct apm_power_info *pinfo); |
| 66 | int bind_socket(const char *sn); |
| 67 | void handle_client(int sock_fd, int ctl_fd); |
| 68 | int suspend(int ctl_fd); |
| 69 | int stand_by(int ctl_fd); |
| 70 | int hibernate(int ctl_fd); |
| 71 | void resumed(int ctl_fd); |
| 72 | void setperfpolicy(char *policy); |
| 73 | void sigexit(int signo); |
| 74 | void do_etc_file(const char *file); |
| 75 | void error(const char *fmt, const char *arg); |
| 76 | void set_driver_messages(int fd, int mode); |
| 77 | |
| 78 | /* ARGSUSED */ |
| 79 | void |
| 80 | sigexit(int signo) |
| 81 | { |
| 82 | _exit(1); |
| 83 | } |
| 84 | |
| 85 | void |
| 86 | logmsg(int prio, const char *msg, ...) |
| 87 | { |
| 88 | va_list ap; |
| 89 | |
| 90 | va_start(ap, msg)__builtin_va_start(ap, msg); |
| 91 | if (debug) { |
| 92 | vfprintf(stderr(&__sF[2]), msg, ap); |
| 93 | fprintf(stderr(&__sF[2]), "\n"); |
| 94 | } else { |
| 95 | vsyslog(prio, msg, ap); |
| 96 | } |
| 97 | va_end(ap)__builtin_va_end(ap); |
| 98 | } |
| 99 | |
| 100 | void |
| 101 | usage(void) |
| 102 | { |
| 103 | fprintf(stderr(&__sF[2]), |
| 104 | "usage: %s [-AadHLs] [-f devname] [-S sockname] [-t seconds] " |
| 105 | "[-Z percent] [-z percent]\n", __progname); |
| 106 | exit(1); |
| 107 | } |
| 108 | |
| 109 | void |
| 110 | error(const char *fmt, const char *arg) |
| 111 | { |
| 112 | char buf[128]; |
| 113 | |
| 114 | if (debug) |
| 115 | err(1, fmt, arg); |
| 116 | else { |
| 117 | strlcpy(buf, fmt, sizeof(buf)); |
| 118 | strlcat(buf, ": %m", sizeof(buf)); |
| 119 | syslog(LOG_ERR3, buf, arg); |
| 120 | exit(1); |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | |
| 125 | /* |
| 126 | * tell the driver if it should display messages or not. |
| 127 | */ |
| 128 | void |
| 129 | set_driver_messages(int fd, int mode) |
| 130 | { |
| 131 | if (ioctl(fd, APM_IOC_PRN_CTL((unsigned long)0x80000000 | ((sizeof(int) & 0x1fff) << 16) | ((('A')) << 8) | ((6))), &mode) == -1) |
| 132 | logmsg(LOG_DEBUG7, "can't disable driver messages, error: %s", |
| 133 | strerror(errno(*__errno()))); |
| 134 | } |
| 135 | |
| 136 | int |
| 137 | power_status(int fd, int force, struct apm_power_info *pinfo) |
| 138 | { |
| 139 | struct apm_power_info bstate; |
| 140 | static struct apm_power_info last; |
| 141 | int acon = 0, priority = LOG_NOTICE5; |
| 142 | |
| 143 | if (fd == -1) { |
| 144 | if (pinfo) { |
| 145 | bstate.battery_state = 255; |
| 146 | bstate.ac_state = 255; |
| 147 | bstate.battery_life = 0; |
| 148 | bstate.minutes_left = -1; |
| 149 | *pinfo = bstate; |
| 150 | } |
| 151 | |
| 152 | return 0; |
| 153 | } |
| 154 | |
| 155 | if (ioctl(fd, APM_IOC_GETPOWER((unsigned long)0x40000000 | ((sizeof(struct apm_power_info) & 0x1fff) << 16) | ((('A')) << 8) | ((3))), &bstate) == 0) { |
| 156 | /* various conditions under which we report status: something changed |
| 157 | * enough since last report, or asked to force a print */ |
| 158 | if (bstate.ac_state == APM_AC_ON0x01) |
| 159 | acon = 1; |
| 160 | if (bstate.battery_state == APM_BATT_CRITICAL0x02 && |
| 161 | bstate.battery_state != last.battery_state) |
| 162 | priority = LOG_EMERG0; |
| 163 | if (force || |
| 164 | bstate.ac_state != last.ac_state || |
| 165 | bstate.battery_state != last.battery_state || |
| 166 | (bstate.minutes_left && bstate.minutes_left < 15) || |
| 167 | abs(bstate.battery_life - last.battery_life) >= 10) { |
| 168 | #ifdef __powerpc__ |
| 169 | /* |
| 170 | * When the battery is charging, the estimated life |
| 171 | * time is in fact the estimated remaining charge time |
| 172 | * on Apple machines, so lie in the stats. |
| 173 | * We still want an useful message if the battery or |
| 174 | * ac status changes, however. |
| 175 | */ |
| 176 | if (bstate.minutes_left != 0 && |
| 177 | bstate.battery_state != APM_BATT_CHARGING0x03) |
| 178 | #else |
| 179 | if ((int)bstate.minutes_left > 0) |
| 180 | #endif |
| 181 | logmsg(priority, "battery status: %s. " |
| 182 | "external power status: %s. " |
| 183 | "estimated battery life %d%% (%u minutes)", |
| 184 | battstate(bstate.battery_state), |
| 185 | ac_state(bstate.ac_state), |
| 186 | bstate.battery_life, |
| 187 | bstate.minutes_left); |
| 188 | else |
| 189 | logmsg(priority, "battery status: %s. " |
| 190 | "external power status: %s. " |
| 191 | "estimated battery life %d%%", |
| 192 | battstate(bstate.battery_state), |
| 193 | ac_state(bstate.ac_state), |
| 194 | bstate.battery_life); |
| 195 | last = bstate; |
| 196 | } |
| 197 | if (pinfo) |
| 198 | *pinfo = bstate; |
| 199 | } else |
| 200 | logmsg(LOG_ERR3, "cannot fetch power status: %s", strerror(errno(*__errno()))); |
| 201 | |
| 202 | return acon; |
| 203 | } |
| 204 | |
| 205 | int |
| 206 | bind_socket(const char *sockname) |
| 207 | { |
| 208 | struct sockaddr_un s_un; |
| 209 | mode_t old_umask; |
| 210 | int sock; |
| 211 | |
| 212 | sock = socket(AF_UNIX1, SOCK_STREAM1 | SOCK_CLOEXEC0x8000, 0); |
| 213 | if (sock == -1) |
| 214 | error("cannot create local socket", NULL((void *)0)); |
| 215 | |
| 216 | s_un.sun_family = AF_UNIX1; |
| 217 | strlcpy(s_un.sun_path, sockname, sizeof(s_un.sun_path)); |
| 218 | |
| 219 | /* remove it if present, we're moving in */ |
| 220 | (void) remove(sockname); |
| 221 | |
| 222 | old_umask = umask(077); |
| 223 | if (bind(sock, (struct sockaddr *)&s_un, sizeof(s_un)) == -1) |
| 224 | error("cannot bind on APM socket", NULL((void *)0)); |
| 225 | umask(old_umask); |
| 226 | if (chmod(sockname, 0660) == -1 || chown(sockname, 0, 0) == -1) |
| 227 | error("cannot set socket mode/owner/group to 660/0/0", NULL((void *)0)); |
| 228 | |
| 229 | listen(sock, 1); |
| 230 | |
| 231 | return sock; |
| 232 | } |
| 233 | |
| 234 | void |
| 235 | handle_client(int sock_fd, int ctl_fd) |
| 236 | { |
| 237 | /* accept a handle from the client, process it, then clean up */ |
| 238 | int cli_fd; |
| 239 | struct sockaddr_un from; |
| 240 | socklen_t fromlen; |
| 241 | struct apm_command cmd; |
| 242 | struct apm_reply reply; |
| 243 | int perfpol_mib[] = { CTL_HW6, HW_PERFPOLICY23 }; |
| 244 | char perfpol[32]; |
| 245 | size_t perfpol_sz = sizeof(perfpol); |
| 246 | int cpuspeed_mib[] = { CTL_HW6, HW_CPUSPEED12 }; |
| 247 | int cpuspeed = 0; |
| 248 | size_t cpuspeed_sz = sizeof(cpuspeed); |
| 249 | |
| 250 | fromlen = sizeof(from); |
| 251 | cli_fd = accept(sock_fd, (struct sockaddr *)&from, &fromlen); |
| 252 | if (cli_fd == -1) { |
| 253 | logmsg(LOG_INFO6, "client accept failure: %s", strerror(errno(*__errno()))); |
| 254 | return; |
| 255 | } |
| 256 | |
| 257 | if (recv(cli_fd, &cmd, sizeof(cmd), 0) != sizeof(cmd)) { |
| 258 | (void) close(cli_fd); |
| 259 | logmsg(LOG_INFO6, "client size botch"); |
| 260 | return; |
| 261 | } |
| 262 | |
| 263 | if (cmd.vno != APMD_VNO4) { |
| 264 | close(cli_fd); /* terminate client */ |
| 265 | /* no error message, just drop it. */ |
| 266 | return; |
| 267 | } |
| 268 | |
| 269 | bzero(&reply, sizeof(reply)); |
| 270 | power_status(ctl_fd, 0, &reply.batterystate); |
| 271 | switch (cmd.action) { |
| 272 | case SUSPEND: |
| 273 | reply.newstate = SUSPENDING; |
| 274 | reply.error = suspend(ctl_fd); |
| 275 | break; |
| 276 | case STANDBY: |
| 277 | reply.newstate = STANDING_BY; |
| 278 | reply.error = stand_by(ctl_fd); |
| 279 | break; |
| 280 | case HIBERNATE: |
| 281 | reply.newstate = HIBERNATING; |
| 282 | reply.error = hibernate(ctl_fd); |
| 283 | break; |
| 284 | case SETPERF_LOW: |
| 285 | reply.newstate = NORMAL; |
| 286 | logmsg(LOG_NOTICE5, "setting hw.perfpolicy to low"); |
| 287 | setperfpolicy("low"); |
| 288 | break; |
| 289 | case SETPERF_HIGH: |
| 290 | reply.newstate = NORMAL; |
| 291 | logmsg(LOG_NOTICE5, "setting hw.perfpolicy to high"); |
| 292 | setperfpolicy("high"); |
| 293 | break; |
| 294 | case SETPERF_AUTO: |
| 295 | reply.newstate = NORMAL; |
| 296 | logmsg(LOG_NOTICE5, "setting hw.perfpolicy to auto"); |
| 297 | setperfpolicy("auto"); |
| 298 | break; |
| 299 | default: |
| 300 | reply.newstate = NORMAL; |
| 301 | break; |
| 302 | } |
| 303 | |
| 304 | reply.perfmode = PERF_NONE; |
| 305 | if (sysctl(perfpol_mib, 2, perfpol, &perfpol_sz, NULL((void *)0), 0) == -1) |
| 306 | logmsg(LOG_INFO6, "cannot read hw.perfpolicy"); |
| 307 | else { |
| 308 | if (strcmp(perfpol, "manual") == 0 || |
| 309 | strcmp(perfpol, "high") == 0) { |
| 310 | reply.perfmode = PERF_MANUAL; |
| 311 | } else if (strcmp(perfpol, "auto") == 0) |
| 312 | reply.perfmode = PERF_AUTO; |
| 313 | } |
| 314 | |
| 315 | if (sysctl(cpuspeed_mib, 2, &cpuspeed, &cpuspeed_sz, NULL((void *)0), 0) == -1) { |
| 316 | logmsg(LOG_INFO6, "cannot read hw.cpuspeed"); |
| 317 | cpuspeed = 0; |
| 318 | } |
| 319 | reply.cpuspeed = cpuspeed; |
| 320 | reply.vno = APMD_VNO4; |
| 321 | if (send(cli_fd, &reply, sizeof(reply), 0) != sizeof(reply)) |
| 322 | logmsg(LOG_INFO6, "reply to client botched"); |
| 323 | close(cli_fd); |
| 324 | } |
| 325 | |
| 326 | int |
| 327 | suspend(int ctl_fd) |
| 328 | { |
| 329 | int error = 0; |
| 330 | |
| 331 | logmsg(LOG_NOTICE5, "system suspending"); |
| 332 | power_status(ctl_fd, 1, NULL((void *)0)); |
| 333 | do_etc_file(_PATH_APM_ETC_SUSPEND"/etc/apm""/suspend"); |
| 334 | sync(); |
| 335 | sleep(1); |
| 336 | |
| 337 | if (ioctl(ctl_fd, APM_IOC_SUSPEND((unsigned long)0x20000000 | ((0 & 0x1fff) << 16) | ((('A')) << 8) | ((2))), 0) == -1) { |
| 338 | error = errno(*__errno()); |
| 339 | logmsg(LOG_WARNING4, "%s: %s", __func__, strerror(errno(*__errno()))); |
| 340 | } |
| 341 | |
| 342 | return error; |
| 343 | } |
| 344 | |
| 345 | int |
| 346 | stand_by(int ctl_fd) |
| 347 | { |
| 348 | int error = 0; |
| 349 | |
| 350 | logmsg(LOG_NOTICE5, "system entering standby"); |
| 351 | power_status(ctl_fd, 1, NULL((void *)0)); |
| 352 | do_etc_file(_PATH_APM_ETC_STANDBY"/etc/apm""/standby"); |
| 353 | sync(); |
| 354 | sleep(1); |
| 355 | |
| 356 | if (ioctl(ctl_fd, APM_IOC_STANDBY((unsigned long)0x20000000 | ((0 & 0x1fff) << 16) | ((('A')) << 8) | ((1))), 0) == -1) { |
| 357 | error = errno(*__errno()); |
| 358 | logmsg(LOG_WARNING4, "%s: %s", __func__, strerror(errno(*__errno()))); |
| 359 | } |
| 360 | |
| 361 | return error; |
| 362 | } |
| 363 | |
| 364 | int |
| 365 | hibernate(int ctl_fd) |
| 366 | { |
| 367 | int error = 0; |
| 368 | |
| 369 | logmsg(LOG_NOTICE5, "system hibernating"); |
| 370 | power_status(ctl_fd, 1, NULL((void *)0)); |
| 371 | do_etc_file(_PATH_APM_ETC_HIBERNATE"/etc/apm""/hibernate"); |
| 372 | sync(); |
| 373 | sleep(1); |
| 374 | |
| 375 | if (ioctl(ctl_fd, APM_IOC_HIBERNATE((unsigned long)0x20000000 | ((0 & 0x1fff) << 16) | ((('A')) << 8) | ((9))), 0) == -1) { |
| 376 | error = errno(*__errno()); |
| 377 | logmsg(LOG_WARNING4, "%s: %s", __func__, strerror(errno(*__errno()))); |
| 378 | } |
| 379 | |
| 380 | return error; |
| 381 | } |
| 382 | |
| 383 | void |
| 384 | resumed(int ctl_fd) |
| 385 | { |
| 386 | do_etc_file(_PATH_APM_ETC_RESUME"/etc/apm""/resume"); |
| 387 | logmsg(LOG_NOTICE5, "system resumed from sleep"); |
| 388 | power_status(ctl_fd, 1, NULL((void *)0)); |
| 389 | } |
| 390 | |
| 391 | #define TIMO(10*60) (10*60) /* 10 minutes */ |
| 392 | #define AUTOACTION_GRACE_PERIOD(60) (60) /* 1mn after resume */ |
| 393 | |
| 394 | int |
| 395 | main(int argc, char *argv[]) |
| 396 | { |
| 397 | const char *fname = _PATH_APM_CTLDEV"/dev/apmctl"; |
| 398 | int ctl_fd, sock_fd, ch, suspends, standbys, hibernates, resumes; |
| 399 | int autoaction = 0, autoaction_inflight = 0; |
| 400 | int autolimit = 0; |
| 401 | int statonly = 0; |
| 402 | int powerstatus = 0, powerbak = 0, powerchange = 0; |
| 403 | int noacsleep = 0; |
| 404 | struct timespec ts = {TIMO(10*60), 0}, sts = {0, 0}; |
| 405 | struct timespec last_resume = { 0, 0 }; |
| 406 | struct apm_power_info pinfo; |
| 407 | const char *sockname = _PATH_APM_SOCKET"/var/run/apmdev"; |
| 408 | const char *errstr; |
| 409 | int kq, nchanges; |
| 410 | struct kevent ev[2]; |
| 411 | int doperf = PERF_NONE; |
| 412 | |
| 413 | while ((ch = getopt(argc, argv, "aACdHLsf:t:S:z:Z:")) != -1) |
| 414 | switch(ch) { |
| 415 | case 'a': |
| 416 | noacsleep = 1; |
| 417 | break; |
| 418 | case 'd': |
| 419 | debug = 1; |
| 420 | break; |
| 421 | case 'f': |
| 422 | fname = optarg; |
| 423 | break; |
| 424 | case 'S': |
| 425 | sockname = optarg; |
| 426 | break; |
| 427 | case 't': |
| 428 | ts.tv_sec = strtonum(optarg, 1, LLONG_MAX9223372036854775807LL, &errstr); |
| 429 | if (errstr != NULL((void *)0)) |
| 430 | errx(1, "number of seconds is %s: %s", errstr, |
| 431 | optarg); |
| 432 | break; |
| 433 | case 's': /* status only */ |
| 434 | statonly = 1; |
| 435 | break; |
| 436 | case 'A': |
| 437 | case 'C': |
| 438 | if (doperf != PERF_NONE) |
| 439 | usage(); |
| 440 | doperf = PERF_AUTO; |
| 441 | setperfpolicy("auto"); |
| 442 | break; |
| 443 | case 'L': |
| 444 | if (doperf != PERF_NONE) |
| 445 | usage(); |
| 446 | doperf = PERF_MANUAL; |
| 447 | setperfpolicy("low"); |
| 448 | break; |
| 449 | case 'H': |
| 450 | if (doperf != PERF_NONE) |
| 451 | usage(); |
| 452 | doperf = PERF_MANUAL; |
| 453 | setperfpolicy("high"); |
| 454 | break; |
| 455 | case 'Z': |
| 456 | autoaction = AUTO_HIBERNATE2; |
| 457 | autolimit = strtonum(optarg, 1, 100, &errstr); |
| 458 | if (errstr != NULL((void *)0)) |
| 459 | errx(1, "battery percentage is %s: %s", errstr, |
| 460 | optarg); |
| 461 | break; |
| 462 | case 'z': |
| 463 | autoaction = AUTO_SUSPEND1; |
| 464 | autolimit = strtonum(optarg, 1, 100, &errstr); |
| 465 | if (errstr != NULL((void *)0)) |
| 466 | errx(1, "battery percentage is %s: %s", errstr, |
| 467 | optarg); |
| 468 | break; |
| 469 | case '?': |
| 470 | default: |
| 471 | usage(); |
| 472 | } |
| 473 | |
| 474 | argc -= optind; |
| 475 | argv += optind; |
| 476 | |
| 477 | if (argc != 0) |
| 478 | usage(); |
| 479 | |
| 480 | if (doperf == PERF_NONE) |
| 481 | doperf = PERF_MANUAL; |
Value stored to 'doperf' is never read | |
| 482 | |
| 483 | if (debug == 0) { |
| 484 | if (daemon(0, 0) == -1) |
| 485 | error("failed to daemonize", NULL((void *)0)); |
| 486 | openlog(__progname, LOG_CONS0x02, LOG_DAEMON(3<<3)); |
| 487 | setlogmask(LOG_UPTO(LOG_NOTICE)((1 << ((5)+1)) - 1)); |
| 488 | } |
| 489 | |
| 490 | (void) signal(SIGTERM15, sigexit); |
| 491 | (void) signal(SIGHUP1, sigexit); |
| 492 | (void) signal(SIGINT2, sigexit); |
| 493 | |
| 494 | if ((ctl_fd = open(fname, O_RDWR0x0002 | O_CLOEXEC0x10000)) == -1) { |
| 495 | if (errno(*__errno()) != ENXIO6 && errno(*__errno()) != ENOENT2) |
| 496 | error("cannot open device file `%s'", fname); |
| 497 | } |
| 498 | |
| 499 | sock_fd = bind_socket(sockname); |
| 500 | |
| 501 | power_status(ctl_fd, 1, &pinfo); |
| 502 | |
| 503 | if (statonly) |
| 504 | exit(0); |
| 505 | |
| 506 | if (unveil(_PATH_APM_ETC_DIR"/etc/apm", "rx") == -1) |
| 507 | err(1, "unveil %s", _PATH_APM_ETC_DIR"/etc/apm"); |
| 508 | if (unveil(NULL((void *)0), NULL((void *)0)) == -1) |
| 509 | err(1, "unveil"); |
| 510 | |
| 511 | set_driver_messages(ctl_fd, APM_PRINT_OFF1); |
| 512 | |
| 513 | kq = kqueue(); |
| 514 | if (kq <= 0) |
| 515 | error("kqueue", NULL((void *)0)); |
| 516 | |
| 517 | EV_SET(&ev[0], sock_fd, EVFILT_READ, EV_ADD | EV_ENABLE | EV_CLEAR,do { struct kevent *__kevp = (&ev[0]); (__kevp)->ident = (sock_fd); (__kevp)->filter = ((-1)); (__kevp)->flags = (0x0001 | 0x0004 | 0x0020); (__kevp)->fflags = (0); (__kevp )->data = (0); (__kevp)->udata = (((void *)0)); } while (0) |
| 518 | 0, 0, NULL)do { struct kevent *__kevp = (&ev[0]); (__kevp)->ident = (sock_fd); (__kevp)->filter = ((-1)); (__kevp)->flags = (0x0001 | 0x0004 | 0x0020); (__kevp)->fflags = (0); (__kevp )->data = (0); (__kevp)->udata = (((void *)0)); } while (0); |
| 519 | if (ctl_fd == -1) |
| 520 | nchanges = 1; |
| 521 | else { |
| 522 | EV_SET(&ev[1], ctl_fd, EVFILT_READ, EV_ADD | EV_ENABLE |do { struct kevent *__kevp = (&ev[1]); (__kevp)->ident = (ctl_fd); (__kevp)->filter = ((-1)); (__kevp)->flags = (0x0001 | 0x0004 | 0x0020); (__kevp)->fflags = (0); (__kevp )->data = (0); (__kevp)->udata = (((void *)0)); } while (0) |
| 523 | EV_CLEAR, 0, 0, NULL)do { struct kevent *__kevp = (&ev[1]); (__kevp)->ident = (ctl_fd); (__kevp)->filter = ((-1)); (__kevp)->flags = (0x0001 | 0x0004 | 0x0020); (__kevp)->fflags = (0); (__kevp )->data = (0); (__kevp)->udata = (((void *)0)); } while (0); |
| 524 | nchanges = 2; |
| 525 | } |
| 526 | if (kevent(kq, ev, nchanges, NULL((void *)0), 0, &sts) == -1) |
| 527 | error("kevent", NULL((void *)0)); |
| 528 | |
| 529 | for (;;) { |
| 530 | int rv, event, index; |
| 531 | |
| 532 | sts = ts; |
| 533 | |
| 534 | if ((rv = kevent(kq, NULL((void *)0), 0, ev, 1, &sts)) == -1) |
| 535 | break; |
| 536 | |
| 537 | if (rv == 1 && ev->ident == sock_fd) { |
| 538 | handle_client(sock_fd, ctl_fd); |
| 539 | continue; |
| 540 | } |
| 541 | |
| 542 | suspends = standbys = hibernates = resumes = 0; |
| 543 | |
| 544 | if (rv == 0 && ctl_fd == -1) { |
| 545 | /* timeout and no way to query status */ |
| 546 | continue; |
| 547 | } else if (rv == 0) { |
| 548 | /* wakeup for timeout: take status */ |
| 549 | event = APM_POWER_CHANGE0x0006; |
| 550 | index = -1; |
| 551 | } else { |
| 552 | assert(rv == 1 && ev->ident == ctl_fd)((rv == 1 && ev->ident == ctl_fd) ? (void)0 : __assert2 ("/usr/src/usr.sbin/apmd/apmd.c", 552, __func__, "rv == 1 && ev->ident == ctl_fd" )); |
| 553 | event = APM_EVENT_TYPE(ev->data)((ev->data) & 0xffff); |
| 554 | index = APM_EVENT_INDEX(ev->data)((ev->data) >> 16); |
| 555 | } |
| 556 | |
| 557 | logmsg(LOG_DEBUG7, "apmevent %04x index %d", event, index); |
| 558 | |
| 559 | switch (event) { |
| 560 | case APM_SUSPEND_REQ0x0002: |
| 561 | case APM_USER_SUSPEND_REQ0x000A: |
| 562 | case APM_CRIT_SUSPEND_REQ0x0008: |
| 563 | case APM_BATTERY_LOW0x0005: |
| 564 | suspends++; |
| 565 | break; |
| 566 | case APM_USER_STANDBY_REQ0x0009: |
| 567 | case APM_STANDBY_REQ0x0001: |
| 568 | standbys++; |
| 569 | break; |
| 570 | case APM_USER_HIBERNATE_REQ0x000D: |
| 571 | hibernates++; |
| 572 | break; |
| 573 | #if 0 |
| 574 | case APM_CANCEL: |
| 575 | suspends = standbys = 0; |
| 576 | break; |
| 577 | #endif |
| 578 | case APM_NORMAL_RESUME0x0003: |
| 579 | case APM_CRIT_RESUME0x0004: |
| 580 | case APM_SYS_STANDBY_RESUME0x000B: |
| 581 | powerbak = power_status(ctl_fd, 0, &pinfo); |
| 582 | if (powerstatus != powerbak) { |
| 583 | powerstatus = powerbak; |
| 584 | powerchange = 1; |
| 585 | } |
| 586 | clock_gettime(CLOCK_MONOTONIC3, &last_resume); |
| 587 | autoaction_inflight = 0; |
| 588 | resumes++; |
| 589 | break; |
| 590 | case APM_POWER_CHANGE0x0006: |
| 591 | powerbak = power_status(ctl_fd, 0, &pinfo); |
| 592 | if (powerstatus != powerbak) { |
| 593 | powerstatus = powerbak; |
| 594 | powerchange = 1; |
| 595 | } |
| 596 | |
| 597 | if (!powerstatus && autoaction && |
| 598 | autolimit > (int)pinfo.battery_life) { |
| 599 | struct timespec graceperiod, now; |
| 600 | |
| 601 | graceperiod = last_resume; |
| 602 | graceperiod.tv_sec += AUTOACTION_GRACE_PERIOD(60); |
| 603 | clock_gettime(CLOCK_MONOTONIC3, &now); |
| 604 | |
| 605 | logmsg(LOG_NOTICE5, |
| 606 | "estimated battery life %d%%" |
| 607 | " below configured limit %d%%%s%s", |
| 608 | pinfo.battery_life, autolimit, |
| 609 | !autoaction_inflight ? "" : ", in flight", |
| 610 | timespeccmp(&now, &graceperiod, >)(((&now)->tv_sec == (&graceperiod)->tv_sec) ? ( (&now)->tv_nsec > (&graceperiod)->tv_nsec) : ((&now)->tv_sec > (&graceperiod)->tv_sec)) ? |
| 611 | "" : ", grace period" |
| 612 | ); |
| 613 | |
| 614 | if (!autoaction_inflight && |
| 615 | timespeccmp(&now, &graceperiod, >)(((&now)->tv_sec == (&graceperiod)->tv_sec) ? ( (&now)->tv_nsec > (&graceperiod)->tv_nsec) : ((&now)->tv_sec > (&graceperiod)->tv_sec))) { |
| 616 | if (autoaction == AUTO_SUSPEND1) |
| 617 | suspends++; |
| 618 | else |
| 619 | hibernates++; |
| 620 | /* Block autoaction until next resume */ |
| 621 | autoaction_inflight = 1; |
| 622 | } |
| 623 | } |
| 624 | break; |
| 625 | default: |
| 626 | ; |
| 627 | } |
| 628 | |
| 629 | if ((standbys || suspends) && noacsleep && |
| 630 | power_status(ctl_fd, 0, &pinfo)) |
| 631 | logmsg(LOG_DEBUG7, "no! sleep! till brooklyn!"); |
| 632 | else if (suspends) |
| 633 | suspend(ctl_fd); |
| 634 | else if (standbys) |
| 635 | stand_by(ctl_fd); |
| 636 | else if (hibernates) |
| 637 | hibernate(ctl_fd); |
| 638 | else if (resumes) { |
| 639 | resumed(ctl_fd); |
| 640 | } |
| 641 | |
| 642 | if (powerchange) { |
| 643 | if (powerstatus) |
| 644 | do_etc_file(_PATH_APM_ETC_POWERUP"/etc/apm""/powerup"); |
| 645 | else |
| 646 | do_etc_file(_PATH_APM_ETC_POWERDOWN"/etc/apm""/powerdown"); |
| 647 | powerchange = 0; |
| 648 | } |
| 649 | } |
| 650 | error("kevent loop", NULL((void *)0)); |
| 651 | |
| 652 | return 1; |
| 653 | } |
| 654 | |
| 655 | void |
| 656 | setperfpolicy(char *policy) |
| 657 | { |
| 658 | int hw_perfpol_mib[] = { CTL_HW6, HW_PERFPOLICY23 }; |
| 659 | int hw_perf_mib[] = { CTL_HW6, HW_SETPERF13 }; |
| 660 | int new_perf = -1; |
| 661 | |
| 662 | if (strcmp(policy, "low") == 0) { |
| 663 | policy = "manual"; |
| 664 | new_perf = 0; |
| 665 | } else if (strcmp(policy, "high") == 0) { |
| 666 | policy = "manual"; |
| 667 | new_perf = 100; |
| 668 | } |
| 669 | |
| 670 | if (sysctl(hw_perfpol_mib, 2, NULL((void *)0), NULL((void *)0), |
| 671 | policy, strlen(policy) + 1) == -1) |
| 672 | logmsg(LOG_INFO6, "cannot set hw.perfpolicy"); |
| 673 | |
| 674 | if (new_perf == -1) |
| 675 | return; |
| 676 | |
| 677 | if (sysctl(hw_perf_mib, 2, NULL((void *)0), NULL((void *)0), |
| 678 | &new_perf, sizeof(new_perf)) == -1) |
| 679 | logmsg(LOG_INFO6, "cannot set hw.setperf"); |
| 680 | } |
| 681 | |
| 682 | void |
| 683 | do_etc_file(const char *file) |
| 684 | { |
| 685 | pid_t pid; |
| 686 | int status; |
| 687 | const char *prog; |
| 688 | |
| 689 | /* If file doesn't exist, do nothing. */ |
| 690 | if (access(file, X_OK0x01|R_OK0x04)) { |
| 691 | logmsg(LOG_DEBUG7, "do_etc_file(): cannot access file %s", file); |
| 692 | return; |
| 693 | } |
| 694 | |
| 695 | prog = strrchr(file, '/'); |
| 696 | if (prog) |
| 697 | prog++; |
| 698 | else |
| 699 | prog = file; |
| 700 | |
| 701 | pid = fork(); |
| 702 | switch (pid) { |
| 703 | case -1: |
| 704 | logmsg(LOG_ERR3, "failed to fork(): %s", strerror(errno(*__errno()))); |
| 705 | return; |
| 706 | case 0: |
| 707 | /* We are the child. */ |
| 708 | execl(file, prog, (char *)NULL((void *)0)); |
| 709 | logmsg(LOG_ERR3, "failed to exec %s: %s", file, strerror(errno(*__errno()))); |
| 710 | _exit(1); |
| 711 | /* NOTREACHED */ |
| 712 | default: |
| 713 | /* We are the parent. */ |
| 714 | wait4(pid, &status, 0, 0); |
| 715 | if (WIFEXITED(status)(((status) & 0177) == 0)) |
| 716 | logmsg(LOG_DEBUG7, "%s exited with status %d", file, |
| 717 | WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff)); |
| 718 | else |
| 719 | logmsg(LOG_ERR3, "%s exited abnormally.", file); |
| 720 | } |
| 721 | } |