1 00:00:00,550 --> 00:00:01,640 Hello, welcome back. 2 00:00:01,660 --> 00:00:09,700 In this lesson, we go going to see how to resume a thread just like we saw in our native free ARTUS 3 00:00:09,700 --> 00:00:10,780 API lessons. 4 00:00:11,080 --> 00:00:12,580 So we suspended a thread. 5 00:00:12,580 --> 00:00:15,620 We created this global variable here called Suspend Monitor. 6 00:00:15,880 --> 00:00:18,220 I'm going to cut this and bring it to the top. 7 00:00:19,330 --> 00:00:23,380 And I'm going to also create two other variables. 8 00:00:23,860 --> 00:00:28,280 We would have one code resume monitor in another one called suspended. 9 00:00:28,330 --> 00:00:31,590 This will be set to true if it's suspended or not. 10 00:00:31,900 --> 00:00:35,620 It starts off as false because we've not suspended a thread yet. 11 00:00:36,370 --> 00:00:42,280 OK, and to use the Boolean, we need to include SDD Booth H, otherwise we'll receive an error. 12 00:00:43,380 --> 00:00:46,710 So I'm going to include that age over here. 13 00:00:48,020 --> 00:00:53,880 OK, so we have these variables, so spend money to resume monitor suspended. 14 00:00:54,240 --> 00:00:58,740 OK, so let's go back to the bit where the task gets suspended. 15 00:00:59,100 --> 00:01:03,070 The red a little controller task is the one doing the suspension. 16 00:01:03,480 --> 00:01:07,440 So what happened is we kept incrementing suspend monitor. 17 00:01:07,440 --> 00:01:19,230 And when it became greater than when it became greater than we call it 49, we we suspended blue. 18 00:01:23,960 --> 00:01:28,670 This is a confusing way of writing it, rather than, say, greater than or equal to, I'll simply say, 19 00:01:28,670 --> 00:01:30,830 if it is equal to 50, suspend. 20 00:01:31,990 --> 00:01:37,250 So equal to, equal to and then 50 here, OK? 21 00:01:38,050 --> 00:01:44,650 So we are familiar with this next one we want to do is we want to set the flag suspend flag. 22 00:01:45,620 --> 00:01:51,770 Before we suspend blue, actually, we want to suspend flights here to try to indicate that, OK, we've 23 00:01:51,770 --> 00:01:55,700 suspended and we want to reset the suspend monitor to zero. 24 00:01:56,760 --> 00:01:57,330 OK. 25 00:02:00,520 --> 00:02:01,120 Like this. 26 00:02:01,490 --> 00:02:11,890 OK, so then we're going to have the Orange Thread Monitor for resumption the orange thread over here, 27 00:02:11,920 --> 00:02:18,900 which is below here, is going to also check if suspend is such a true. 28 00:02:18,940 --> 00:02:29,860 So over here, like we did earlier, we say if unaskable suspend it, we open and close it, suspend 29 00:02:29,860 --> 00:02:34,000 it, then we start counting for the time we ought to resume. 30 00:02:34,450 --> 00:02:41,260 And we do this by increments and the resumption the resume monitor and we can see if resume monitor 31 00:02:42,040 --> 00:02:45,610 equals two hundred, then we want to resume. 32 00:02:45,640 --> 00:02:55,660 So over here, just like we did earlier, I can see if resume monitor equals two hundred, then we want 33 00:02:55,660 --> 00:02:59,770 to call our always threat resume function. 34 00:03:02,090 --> 00:03:06,110 Two, we can call it to resume the blue thread, OK? 35 00:03:07,190 --> 00:03:12,560 And we also have to reset our resume monitor and said suspend back to force. 36 00:03:13,070 --> 00:03:13,570 OK. 37 00:03:16,140 --> 00:03:21,060 And of course, we can use semaphores to achieve this, but we using our own control variables. 38 00:03:21,960 --> 00:03:27,510 OK, so this what we have, let's build and see where we get a click over here to build. 39 00:03:29,100 --> 00:03:29,820 It's building. 40 00:03:32,380 --> 00:03:33,910 It's built successfully. 41 00:03:35,050 --> 00:03:37,030 I'm going to right click over here. 42 00:03:37,920 --> 00:03:39,480 And debuggers. 43 00:03:40,660 --> 00:03:42,310 Estimated to cortex in. 44 00:03:43,310 --> 00:03:45,350 iSelect, 38 Aubagio. 45 00:03:47,440 --> 00:03:48,850 And OK. 46 00:03:53,970 --> 00:03:54,720 It's open in. 47 00:03:56,840 --> 00:03:57,410 Switch. 48 00:04:03,050 --> 00:04:05,120 It's loading, and then I'll click to run. 49 00:04:09,190 --> 00:04:11,670 Something happened, live expressions, see? 50 00:04:17,100 --> 00:04:18,490 OK, something happened. 51 00:04:18,510 --> 00:04:19,650 I'm going to stop this. 52 00:04:19,830 --> 00:04:22,830 Let's go back in our collective book. 53 00:04:31,000 --> 00:04:32,170 Switch over here. 54 00:04:37,970 --> 00:04:44,480 OK, I'm going to click here to run, we see all of them incrementing as soon as we hit fifty one. 55 00:04:47,100 --> 00:04:49,080 Blue task is frozen. 56 00:04:52,510 --> 00:04:58,330 And then let's see, did he ever get resumes so it gets resumed quickly and then it's incremented by 57 00:04:58,330 --> 00:04:58,630 one? 58 00:05:00,520 --> 00:05:04,240 OK, and if we want to observe further, we can. 59 00:05:05,720 --> 00:05:07,610 We can add our suspend monitor. 60 00:05:10,290 --> 00:05:14,050 Also, spend money to and resume monitors, we can add them over here. 61 00:05:15,450 --> 00:05:16,740 This is resume monitor. 62 00:05:17,700 --> 00:05:19,050 This is suspend monitor. 63 00:05:20,340 --> 00:05:21,990 OK, so let's run. 64 00:05:23,050 --> 00:05:26,230 OK, resume monitor as soon as it hits two hundred. 65 00:05:27,560 --> 00:05:35,180 The task resumes, OK, so it's working as expected and of course, we've seen this before, so we expected 66 00:05:35,330 --> 00:05:37,550 nothing apart from this. 67 00:05:38,060 --> 00:05:38,870 That's all there is. 68 00:05:38,910 --> 00:05:39,740 I'll see you later. 69 00:05:39,770 --> 00:05:40,510 Have a nice day.