The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* //device/libs/android_runtime/android_server_AlarmManagerService.cpp |
| 2 | ** |
| 3 | ** Copyright 2006, The Android Open Source Project |
| 4 | ** |
Elliott Hughes | dd66bcb | 2011-04-12 11:28:59 -0700 | [diff] [blame] | 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 8 | ** |
Elliott Hughes | dd66bcb | 2011-04-12 11:28:59 -0700 | [diff] [blame] | 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 10 | ** |
Elliott Hughes | dd66bcb | 2011-04-12 11:28:59 -0700 | [diff] [blame] | 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #define LOG_TAG "AlarmManagerService" |
| 19 | |
| 20 | #include "JNIHelp.h" |
| 21 | #include "jni.h" |
Mathias Agopian | 25ba5b6 | 2009-05-18 15:08:03 -0700 | [diff] [blame] | 22 | #include <utils/Log.h> |
| 23 | #include <utils/misc.h> |
Greg Hackmann | 0eb5826 | 2014-02-26 12:22:13 -0800 | [diff] [blame] | 24 | #include <utils/String8.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 25 | |
Greg Hackmann | 0eb5826 | 2014-02-26 12:22:13 -0800 | [diff] [blame] | 26 | #include <dirent.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 27 | #include <fcntl.h> |
| 28 | #include <stdio.h> |
| 29 | #include <string.h> |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 30 | #include <sys/epoll.h> |
| 31 | #include <sys/timerfd.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 32 | #include <sys/types.h> |
| 33 | #include <sys/socket.h> |
| 34 | #include <arpa/inet.h> |
| 35 | #include <netinet/in.h> |
| 36 | #include <stdlib.h> |
| 37 | #include <errno.h> |
| 38 | #include <unistd.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 39 | #include <linux/ioctl.h> |
| 40 | #include <linux/android_alarm.h> |
Greg Hackmann | 38bf514 | 2014-02-19 16:39:36 -0800 | [diff] [blame] | 41 | #include <linux/rtc.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 42 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | namespace android { |
| 44 | |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 45 | static const size_t N_ANDROID_TIMERFDS = ANDROID_ALARM_TYPE_COUNT + 1; |
| 46 | static const clockid_t android_alarm_to_clockid[N_ANDROID_TIMERFDS] = { |
| 47 | CLOCK_REALTIME_ALARM, |
| 48 | CLOCK_REALTIME, |
| 49 | CLOCK_BOOTTIME_ALARM, |
| 50 | CLOCK_BOOTTIME, |
| 51 | CLOCK_MONOTONIC, |
| 52 | CLOCK_REALTIME, |
| 53 | }; |
| 54 | /* to match the legacy alarm driver implementation, we need an extra |
| 55 | CLOCK_REALTIME fd which exists specifically to be canceled on RTC changes */ |
| 56 | |
| 57 | class AlarmImpl |
| 58 | { |
| 59 | public: |
| 60 | AlarmImpl(int *fds, size_t n_fds); |
| 61 | virtual ~AlarmImpl(); |
| 62 | |
| 63 | virtual int set(int type, struct timespec *ts) = 0; |
Greg Hackmann | 38bf514 | 2014-02-19 16:39:36 -0800 | [diff] [blame] | 64 | virtual int setTime(struct timeval *tv) = 0; |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 65 | virtual int waitForAlarm() = 0; |
| 66 | |
| 67 | protected: |
| 68 | int *fds; |
| 69 | size_t n_fds; |
| 70 | }; |
| 71 | |
| 72 | class AlarmImplAlarmDriver : public AlarmImpl |
| 73 | { |
| 74 | public: |
| 75 | AlarmImplAlarmDriver(int fd) : AlarmImpl(&fd, 1) { } |
| 76 | |
| 77 | int set(int type, struct timespec *ts); |
Greg Hackmann | 38bf514 | 2014-02-19 16:39:36 -0800 | [diff] [blame] | 78 | int setTime(struct timeval *tv); |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 79 | int waitForAlarm(); |
| 80 | }; |
| 81 | |
| 82 | class AlarmImplTimerFd : public AlarmImpl |
| 83 | { |
| 84 | public: |
Greg Hackmann | 0eb5826 | 2014-02-26 12:22:13 -0800 | [diff] [blame] | 85 | AlarmImplTimerFd(int fds[N_ANDROID_TIMERFDS], int epollfd, int rtc_id) : |
| 86 | AlarmImpl(fds, N_ANDROID_TIMERFDS), epollfd(epollfd), rtc_id(rtc_id) { } |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 87 | ~AlarmImplTimerFd(); |
| 88 | |
| 89 | int set(int type, struct timespec *ts); |
Greg Hackmann | 38bf514 | 2014-02-19 16:39:36 -0800 | [diff] [blame] | 90 | int setTime(struct timeval *tv); |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 91 | int waitForAlarm(); |
| 92 | |
| 93 | private: |
| 94 | int epollfd; |
Greg Hackmann | 0eb5826 | 2014-02-26 12:22:13 -0800 | [diff] [blame] | 95 | int rtc_id; |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 96 | }; |
| 97 | |
| 98 | AlarmImpl::AlarmImpl(int *fds_, size_t n_fds) : fds(new int[n_fds]), |
| 99 | n_fds(n_fds) |
| 100 | { |
| 101 | memcpy(fds, fds_, n_fds * sizeof(fds[0])); |
| 102 | } |
| 103 | |
| 104 | AlarmImpl::~AlarmImpl() |
| 105 | { |
| 106 | for (size_t i = 0; i < n_fds; i++) { |
| 107 | close(fds[i]); |
| 108 | } |
| 109 | delete [] fds; |
| 110 | } |
| 111 | |
| 112 | int AlarmImplAlarmDriver::set(int type, struct timespec *ts) |
| 113 | { |
| 114 | return ioctl(fds[0], ANDROID_ALARM_SET(type), ts); |
| 115 | } |
| 116 | |
Greg Hackmann | 38bf514 | 2014-02-19 16:39:36 -0800 | [diff] [blame] | 117 | int AlarmImplAlarmDriver::setTime(struct timeval *tv) |
| 118 | { |
| 119 | struct timespec ts; |
| 120 | int res; |
| 121 | |
| 122 | ts.tv_sec = tv->tv_sec; |
| 123 | ts.tv_nsec = tv->tv_usec * 1000; |
| 124 | res = ioctl(fds[0], ANDROID_ALARM_SET_RTC, &ts); |
| 125 | if (res < 0) |
| 126 | ALOGV("ANDROID_ALARM_SET_RTC ioctl failed: %s\n", strerror(errno)); |
| 127 | return res; |
| 128 | } |
| 129 | |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 130 | int AlarmImplAlarmDriver::waitForAlarm() |
| 131 | { |
| 132 | return ioctl(fds[0], ANDROID_ALARM_WAIT); |
| 133 | } |
| 134 | |
| 135 | AlarmImplTimerFd::~AlarmImplTimerFd() |
| 136 | { |
| 137 | for (size_t i = 0; i < N_ANDROID_TIMERFDS; i++) { |
| 138 | epoll_ctl(epollfd, EPOLL_CTL_DEL, fds[i], NULL); |
| 139 | } |
| 140 | close(epollfd); |
| 141 | } |
| 142 | |
| 143 | int AlarmImplTimerFd::set(int type, struct timespec *ts) |
| 144 | { |
| 145 | if (type > ANDROID_ALARM_TYPE_COUNT) { |
| 146 | errno = EINVAL; |
| 147 | return -1; |
| 148 | } |
| 149 | |
| 150 | if (!ts->tv_nsec && !ts->tv_sec) { |
| 151 | ts->tv_nsec = 1; |
| 152 | } |
| 153 | /* timerfd interprets 0 = disarm, so replace with a practically |
| 154 | equivalent deadline of 1 ns */ |
| 155 | |
| 156 | struct itimerspec spec; |
| 157 | memset(&spec, 0, sizeof(spec)); |
| 158 | memcpy(&spec.it_value, ts, sizeof(spec.it_value)); |
| 159 | |
| 160 | return timerfd_settime(fds[type], TFD_TIMER_ABSTIME, &spec, NULL); |
| 161 | } |
| 162 | |
Greg Hackmann | 38bf514 | 2014-02-19 16:39:36 -0800 | [diff] [blame] | 163 | int AlarmImplTimerFd::setTime(struct timeval *tv) |
| 164 | { |
| 165 | struct rtc_time rtc; |
| 166 | struct tm tm, *gmtime_res; |
| 167 | int fd; |
| 168 | int res; |
| 169 | |
Greg Hackmann | 38bf514 | 2014-02-19 16:39:36 -0800 | [diff] [blame] | 170 | res = settimeofday(tv, NULL); |
| 171 | if (res < 0) { |
| 172 | ALOGV("settimeofday() failed: %s\n", strerror(errno)); |
Greg Hackmann | c924472 | 2014-01-27 16:30:09 -0800 | [diff] [blame] | 173 | return -1; |
| 174 | } |
| 175 | |
Greg Hackmann | 0eb5826 | 2014-02-26 12:22:13 -0800 | [diff] [blame] | 176 | if (rtc_id < 0) { |
| 177 | ALOGV("Not setting RTC because wall clock RTC was not found"); |
| 178 | errno = ENODEV; |
| 179 | return -1; |
| 180 | } |
| 181 | |
| 182 | android::String8 rtc_dev = String8::format("/dev/rtc%d", rtc_id); |
| 183 | fd = open(rtc_dev.string(), O_RDWR); |
Greg Hackmann | c924472 | 2014-01-27 16:30:09 -0800 | [diff] [blame] | 184 | if (fd < 0) { |
Greg Hackmann | 0eb5826 | 2014-02-26 12:22:13 -0800 | [diff] [blame] | 185 | ALOGV("Unable to open %s: %s\n", rtc_dev.string(), strerror(errno)); |
Greg Hackmann | c924472 | 2014-01-27 16:30:09 -0800 | [diff] [blame] | 186 | return res; |
Greg Hackmann | 38bf514 | 2014-02-19 16:39:36 -0800 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | gmtime_res = gmtime_r(&tv->tv_sec, &tm); |
| 190 | if (!gmtime_res) { |
| 191 | ALOGV("gmtime_r() failed: %s\n", strerror(errno)); |
| 192 | res = -1; |
| 193 | goto done; |
| 194 | } |
| 195 | |
| 196 | memset(&rtc, 0, sizeof(rtc)); |
| 197 | rtc.tm_sec = tm.tm_sec; |
| 198 | rtc.tm_min = tm.tm_min; |
| 199 | rtc.tm_hour = tm.tm_hour; |
| 200 | rtc.tm_mday = tm.tm_mday; |
| 201 | rtc.tm_mon = tm.tm_mon; |
| 202 | rtc.tm_year = tm.tm_year; |
| 203 | rtc.tm_wday = tm.tm_wday; |
| 204 | rtc.tm_yday = tm.tm_yday; |
| 205 | rtc.tm_isdst = tm.tm_isdst; |
| 206 | res = ioctl(fd, RTC_SET_TIME, &rtc); |
| 207 | if (res < 0) |
| 208 | ALOGV("RTC_SET_TIME ioctl failed: %s\n", strerror(errno)); |
| 209 | done: |
| 210 | close(fd); |
| 211 | return res; |
| 212 | } |
| 213 | |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 214 | int AlarmImplTimerFd::waitForAlarm() |
| 215 | { |
| 216 | epoll_event events[N_ANDROID_TIMERFDS]; |
| 217 | |
| 218 | int nevents = epoll_wait(epollfd, events, N_ANDROID_TIMERFDS, -1); |
| 219 | if (nevents < 0) { |
| 220 | return nevents; |
| 221 | } |
| 222 | |
| 223 | int result = 0; |
| 224 | for (int i = 0; i < nevents; i++) { |
| 225 | uint32_t alarm_idx = events[i].data.u32; |
| 226 | uint64_t unused; |
| 227 | ssize_t err = read(fds[alarm_idx], &unused, sizeof(unused)); |
| 228 | if (err < 0) { |
| 229 | if (alarm_idx == ANDROID_ALARM_TYPE_COUNT && errno == ECANCELED) { |
| 230 | result |= ANDROID_ALARM_TIME_CHANGE_MASK; |
| 231 | } else { |
| 232 | return err; |
| 233 | } |
| 234 | } else { |
| 235 | result |= (1 << alarm_idx); |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | return result; |
| 240 | } |
| 241 | |
Greg Hackmann | 38bf514 | 2014-02-19 16:39:36 -0800 | [diff] [blame] | 242 | static jint android_server_AlarmManagerService_setKernelTime(JNIEnv*, jobject, jlong nativeData, jlong millis) |
| 243 | { |
| 244 | AlarmImpl *impl = reinterpret_cast<AlarmImpl *>(nativeData); |
| 245 | struct timeval tv; |
| 246 | int ret; |
| 247 | |
| 248 | if (millis <= 0 || millis / 1000LL >= INT_MAX) { |
| 249 | return -1; |
| 250 | } |
| 251 | |
| 252 | tv.tv_sec = (time_t) (millis / 1000LL); |
| 253 | tv.tv_usec = (suseconds_t) ((millis % 1000LL) * 1000LL); |
| 254 | |
| 255 | ALOGD("Setting time of day to sec=%d\n", (int) tv.tv_sec); |
| 256 | |
| 257 | ret = impl->setTime(&tv); |
| 258 | |
| 259 | if(ret < 0) { |
| 260 | ALOGW("Unable to set rtc to %ld: %s\n", tv.tv_sec, strerror(errno)); |
| 261 | ret = -1; |
| 262 | } |
| 263 | return ret; |
| 264 | } |
| 265 | |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 266 | static jint android_server_AlarmManagerService_setKernelTimezone(JNIEnv*, jobject, jlong, jint minswest) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 267 | { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 268 | struct timezone tz; |
| 269 | |
| 270 | tz.tz_minuteswest = minswest; |
| 271 | tz.tz_dsttime = 0; |
| 272 | |
| 273 | int result = settimeofday(NULL, &tz); |
| 274 | if (result < 0) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 275 | ALOGE("Unable to set kernel timezone to %d: %s\n", minswest, strerror(errno)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 276 | return -1; |
| 277 | } else { |
Steve Block | 5baa3a6 | 2011-12-20 16:23:08 +0000 | [diff] [blame] | 278 | ALOGD("Kernel timezone updated to %d minutes west of GMT\n", minswest); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 279 | } |
| 280 | |
| 281 | return 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 282 | } |
| 283 | |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 284 | static jlong init_alarm_driver() |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 285 | { |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 286 | int fd = open("/dev/alarm", O_RDWR); |
| 287 | if (fd < 0) { |
| 288 | ALOGV("opening alarm driver failed: %s", strerror(errno)); |
| 289 | return 0; |
| 290 | } |
| 291 | |
| 292 | AlarmImpl *ret = new AlarmImplAlarmDriver(fd); |
| 293 | return reinterpret_cast<jlong>(ret); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 294 | } |
| 295 | |
Greg Hackmann | 0eb5826 | 2014-02-26 12:22:13 -0800 | [diff] [blame] | 296 | static const char rtc_sysfs[] = "/sys/class/rtc"; |
| 297 | |
| 298 | static bool rtc_is_hctosys(unsigned int rtc_id) |
| 299 | { |
| 300 | android::String8 hctosys_path = String8::format("%s/rtc%u/hctosys", |
| 301 | rtc_sysfs, rtc_id); |
| 302 | |
| 303 | FILE *file = fopen(hctosys_path.string(), "re"); |
| 304 | if (!file) { |
| 305 | ALOGE("failed to open %s: %s", hctosys_path.string(), strerror(errno)); |
| 306 | return false; |
| 307 | } |
| 308 | |
| 309 | unsigned int hctosys; |
| 310 | bool ret = false; |
| 311 | int err = fscanf(file, "%u", &hctosys); |
| 312 | if (err == EOF) |
| 313 | ALOGE("failed to read from %s: %s", hctosys_path.string(), |
| 314 | strerror(errno)); |
| 315 | else if (err == 0) |
| 316 | ALOGE("%s did not have expected contents", hctosys_path.string()); |
| 317 | else |
| 318 | ret = hctosys; |
| 319 | |
| 320 | fclose(file); |
| 321 | return ret; |
| 322 | } |
| 323 | |
| 324 | static int wall_clock_rtc() |
| 325 | { |
| 326 | DIR *dir = opendir(rtc_sysfs); |
| 327 | if (!dir) { |
| 328 | ALOGE("failed to open %s: %s", rtc_sysfs, strerror(errno)); |
| 329 | return -1; |
| 330 | } |
| 331 | |
| 332 | struct dirent *dirent; |
| 333 | while (errno = 0, dirent = readdir(dir)) { |
| 334 | unsigned int rtc_id; |
| 335 | int matched = sscanf(dirent->d_name, "rtc%u", &rtc_id); |
| 336 | |
| 337 | if (matched < 0) |
| 338 | break; |
| 339 | else if (matched != 1) |
| 340 | continue; |
| 341 | |
| 342 | if (rtc_is_hctosys(rtc_id)) { |
| 343 | ALOGV("found wall clock RTC %u", rtc_id); |
| 344 | return rtc_id; |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | if (errno == 0) |
| 349 | ALOGW("no wall clock RTC found"); |
| 350 | else |
| 351 | ALOGE("failed to enumerate RTCs: %s", strerror(errno)); |
| 352 | |
| 353 | return -1; |
| 354 | } |
| 355 | |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 356 | static jlong init_timerfd() |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 357 | { |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 358 | int epollfd; |
| 359 | int fds[N_ANDROID_TIMERFDS]; |
| 360 | |
| 361 | epollfd = epoll_create(N_ANDROID_TIMERFDS); |
| 362 | if (epollfd < 0) { |
Bernhard Rosenkränzer | 46c82b4 | 2014-11-30 11:04:10 +0100 | [diff] [blame] | 363 | ALOGV("epoll_create(%zu) failed: %s", N_ANDROID_TIMERFDS, |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 364 | strerror(errno)); |
| 365 | return 0; |
| 366 | } |
| 367 | |
| 368 | for (size_t i = 0; i < N_ANDROID_TIMERFDS; i++) { |
| 369 | fds[i] = timerfd_create(android_alarm_to_clockid[i], 0); |
| 370 | if (fds[i] < 0) { |
| 371 | ALOGV("timerfd_create(%u) failed: %s", android_alarm_to_clockid[i], |
| 372 | strerror(errno)); |
| 373 | close(epollfd); |
| 374 | for (size_t j = 0; j < i; j++) { |
| 375 | close(fds[j]); |
| 376 | } |
| 377 | return 0; |
| 378 | } |
| 379 | } |
| 380 | |
Greg Hackmann | 0eb5826 | 2014-02-26 12:22:13 -0800 | [diff] [blame] | 381 | AlarmImpl *ret = new AlarmImplTimerFd(fds, epollfd, wall_clock_rtc()); |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 382 | |
| 383 | for (size_t i = 0; i < N_ANDROID_TIMERFDS; i++) { |
| 384 | epoll_event event; |
| 385 | event.events = EPOLLIN | EPOLLWAKEUP; |
| 386 | event.data.u32 = i; |
| 387 | |
| 388 | int err = epoll_ctl(epollfd, EPOLL_CTL_ADD, fds[i], &event); |
| 389 | if (err < 0) { |
| 390 | ALOGV("epoll_ctl(EPOLL_CTL_ADD) failed: %s", strerror(errno)); |
| 391 | delete ret; |
| 392 | return 0; |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | struct itimerspec spec; |
| 397 | memset(&spec, 0, sizeof(spec)); |
| 398 | /* 0 = disarmed; the timerfd doesn't need to be armed to get |
| 399 | RTC change notifications, just set up as cancelable */ |
| 400 | |
| 401 | int err = timerfd_settime(fds[ANDROID_ALARM_TYPE_COUNT], |
| 402 | TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET, &spec, NULL); |
| 403 | if (err < 0) { |
| 404 | ALOGV("timerfd_settime() failed: %s", strerror(errno)); |
| 405 | delete ret; |
| 406 | return 0; |
| 407 | } |
| 408 | |
| 409 | return reinterpret_cast<jlong>(ret); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 410 | } |
| 411 | |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 412 | static jlong android_server_AlarmManagerService_init(JNIEnv*, jobject) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 413 | { |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 414 | jlong ret = init_alarm_driver(); |
| 415 | if (ret) { |
| 416 | return ret; |
| 417 | } |
| 418 | |
| 419 | return init_timerfd(); |
| 420 | } |
| 421 | |
| 422 | static void android_server_AlarmManagerService_close(JNIEnv*, jobject, jlong nativeData) |
| 423 | { |
| 424 | AlarmImpl *impl = reinterpret_cast<AlarmImpl *>(nativeData); |
| 425 | delete impl; |
| 426 | } |
| 427 | |
| 428 | static void android_server_AlarmManagerService_set(JNIEnv*, jobject, jlong nativeData, jint type, jlong seconds, jlong nanoseconds) |
| 429 | { |
| 430 | AlarmImpl *impl = reinterpret_cast<AlarmImpl *>(nativeData); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 431 | struct timespec ts; |
Jeff Brown | 11c5f1a | 2010-03-31 15:29:40 -0700 | [diff] [blame] | 432 | ts.tv_sec = seconds; |
| 433 | ts.tv_nsec = nanoseconds; |
Elliott Hughes | dd66bcb | 2011-04-12 11:28:59 -0700 | [diff] [blame] | 434 | |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 435 | int result = impl->set(type, &ts); |
Greg Hackmann | 32b4c07 | 2013-12-06 10:52:09 -0800 | [diff] [blame] | 436 | if (result < 0) |
| 437 | { |
Ashok Bhat | f5df700 | 2014-03-25 20:51:35 +0000 | [diff] [blame] | 438 | ALOGE("Unable to set alarm to %lld.%09lld: %s\n", |
| 439 | static_cast<long long>(seconds), |
| 440 | static_cast<long long>(nanoseconds), strerror(errno)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 441 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 442 | } |
| 443 | |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 444 | static jint android_server_AlarmManagerService_waitForAlarm(JNIEnv*, jobject, jlong nativeData) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 445 | { |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 446 | AlarmImpl *impl = reinterpret_cast<AlarmImpl *>(nativeData); |
Greg Hackmann | 32b4c07 | 2013-12-06 10:52:09 -0800 | [diff] [blame] | 447 | int result = 0; |
Elliott Hughes | dd66bcb | 2011-04-12 11:28:59 -0700 | [diff] [blame] | 448 | |
Greg Hackmann | 32b4c07 | 2013-12-06 10:52:09 -0800 | [diff] [blame] | 449 | do |
| 450 | { |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 451 | result = impl->waitForAlarm(); |
Greg Hackmann | 32b4c07 | 2013-12-06 10:52:09 -0800 | [diff] [blame] | 452 | } while (result < 0 && errno == EINTR); |
Elliott Hughes | dd66bcb | 2011-04-12 11:28:59 -0700 | [diff] [blame] | 453 | |
Greg Hackmann | 32b4c07 | 2013-12-06 10:52:09 -0800 | [diff] [blame] | 454 | if (result < 0) |
| 455 | { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 456 | ALOGE("Unable to wait on alarm: %s\n", strerror(errno)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 457 | return 0; |
| 458 | } |
Elliott Hughes | dd66bcb | 2011-04-12 11:28:59 -0700 | [diff] [blame] | 459 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 460 | return result; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 461 | } |
| 462 | |
| 463 | static JNINativeMethod sMethods[] = { |
| 464 | /* name, signature, funcPtr */ |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 465 | {"init", "()J", (void*)android_server_AlarmManagerService_init}, |
| 466 | {"close", "(J)V", (void*)android_server_AlarmManagerService_close}, |
| 467 | {"set", "(JIJJ)V", (void*)android_server_AlarmManagerService_set}, |
| 468 | {"waitForAlarm", "(J)I", (void*)android_server_AlarmManagerService_waitForAlarm}, |
Greg Hackmann | 38bf514 | 2014-02-19 16:39:36 -0800 | [diff] [blame] | 469 | {"setKernelTime", "(JJ)I", (void*)android_server_AlarmManagerService_setKernelTime}, |
Greg Hackmann | a1d6f92 | 2013-12-09 16:56:53 -0800 | [diff] [blame] | 470 | {"setKernelTimezone", "(JI)I", (void*)android_server_AlarmManagerService_setKernelTimezone}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 471 | }; |
| 472 | |
| 473 | int register_android_server_AlarmManagerService(JNIEnv* env) |
| 474 | { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 475 | return jniRegisterNativeMethods(env, "com/android/server/AlarmManagerService", |
| 476 | sMethods, NELEM(sMethods)); |
| 477 | } |
| 478 | |
| 479 | } /* namespace android */ |