1 00:00:00,870 --> 00:00:02,020 Hello, welcome back. 2 00:00:02,040 --> 00:00:07,830 This lesson, we're going to see how to resume a suspended task, I'm going to make a copy of the last 3 00:00:07,830 --> 00:00:12,830 project from the controversy to copy and paste over here. 4 00:00:14,610 --> 00:00:16,260 I've changed this to number nine. 5 00:00:22,360 --> 00:00:23,500 Resuming at task. 6 00:00:28,160 --> 00:00:29,900 OK, I'm going to open this. 7 00:00:35,570 --> 00:00:44,240 OK, so we have three tasks of the same priority level in our previous project where we did this in 8 00:00:45,440 --> 00:00:48,100 in in red task, we suspended blue. 9 00:00:48,620 --> 00:00:51,800 What I'm going to do is now I'm going to make red suspend itself. 10 00:00:52,610 --> 00:00:52,970 Right. 11 00:00:52,990 --> 00:00:56,590 So just to show you how to make a task, a task suspended. 12 00:00:56,600 --> 00:01:03,110 So our personnel here and for those of you who did the assignment, you were able to do this, OK, 13 00:01:03,110 --> 00:01:10,820 so we're going to make Red suspend itself and then we're going to let, let's say, green resume red. 14 00:01:12,340 --> 00:01:18,910 Right, so once read suspense itself, I'm going to I'm going to have a like I'm going to have a flag 15 00:01:18,910 --> 00:01:22,750 that tells us what a task is suspended or resumed. 16 00:01:23,110 --> 00:01:28,300 I'm going to cut this that we have over here and put out a top, OK? 17 00:01:29,590 --> 00:01:34,770 And then I'm also going to create a resume monitor, just like we have suspend monitor. 18 00:01:35,620 --> 00:01:37,360 I'm going to have resume monitor here. 19 00:01:42,160 --> 00:01:47,500 And then I'm also going to have a boolean called suspended. 20 00:01:52,070 --> 00:01:54,170 I call this is suspended. 21 00:01:57,810 --> 00:01:59,160 Initialize this to force. 22 00:01:59,850 --> 00:02:05,910 OK, so what's going to happen is when we come in here, you know what, Red? 23 00:02:07,330 --> 00:02:15,090 No air raid controller task when suspend monitors greater than 50, we're going to see suspended because 24 00:02:15,090 --> 00:02:18,670 the truth was we would suspend over here. 25 00:02:21,770 --> 00:02:22,330 OK. 26 00:02:23,810 --> 00:02:25,190 So this is key, right? 27 00:02:25,640 --> 00:02:31,670 So check this, if we put suspended Ecorse through here, this becomes unreachable because this very 28 00:02:31,670 --> 00:02:36,880 line here would terminate this entire thread function, so this one to run. 29 00:02:37,580 --> 00:02:40,340 So what we have to do is put it. 30 00:02:41,540 --> 00:02:47,420 Before we actually suspend its OK, suspend the costume like this. 31 00:02:49,770 --> 00:02:55,290 And perhaps we would wish to reset this or spend money to so set it to zero here. 32 00:02:57,860 --> 00:02:58,340 OK. 33 00:02:59,400 --> 00:02:59,850 Right. 34 00:03:00,870 --> 00:03:08,730 So then what are we going to do is we're going to come to green this and green threat, al green threat, 35 00:03:08,740 --> 00:03:17,340 it's going to check if the if suspended flying is set to try to come over here and see if it's suspended. 36 00:03:20,090 --> 00:03:24,900 Then we want to increment our our resume monitor. 37 00:03:25,640 --> 00:03:30,360 So let's say we want to wait for a while to resume, right. 38 00:03:30,620 --> 00:03:31,850 So we say resume. 39 00:03:33,760 --> 00:03:34,480 Monitor. 40 00:03:36,740 --> 00:03:39,560 Plus, plus, then we're going to see if. 41 00:03:43,620 --> 00:03:51,450 Resume monitor is greater than, let's say, greater than or equal to 30. 42 00:04:04,300 --> 00:04:06,990 If you wanted to screech, I don't know, you got 30. 43 00:04:08,220 --> 00:04:09,400 Let's make sure our. 44 00:04:12,230 --> 00:04:13,550 We're missing one race. 45 00:04:17,080 --> 00:04:21,220 OK, if this is greater than or equal to 30, what we want to do is. 46 00:04:22,960 --> 00:04:24,490 We want to resume. 47 00:04:25,750 --> 00:04:28,810 Red, which suspended itself, so I'm going to have to ask. 48 00:04:30,980 --> 00:04:33,830 Resume read Hando. 49 00:04:39,050 --> 00:04:41,450 And then resume. 50 00:04:43,230 --> 00:04:45,360 Monita, we're going to set to resume monitor. 51 00:04:48,290 --> 00:04:53,690 Equals zero, and then we're going to set it suspended back to force. 52 00:04:58,600 --> 00:05:04,960 OK, so then you may wonder how come this time where we are assuming we didn't put it as the last line 53 00:05:04,960 --> 00:05:09,100 in the block, but when we were suspended, we made sure we placed this at the last line. 54 00:05:09,550 --> 00:05:16,240 The reason is that when we resumed this, when we resume read, this blog is going to continue running 55 00:05:16,540 --> 00:05:18,790 because Red has the same priority. 56 00:05:20,200 --> 00:05:24,790 I scream, so when we resume read is pull back at the back of the queue. 57 00:05:25,710 --> 00:05:32,700 Ta ta ta run doesn't interrupt this if Fred had a greater priority than green and as soon as we resume 58 00:05:32,700 --> 00:05:35,920 it, it's going to assume the the the running time. 59 00:05:36,560 --> 00:05:38,650 OK, so that's the difference here. 60 00:05:39,960 --> 00:05:42,780 So let's wait and see what we've got a click over here to build. 61 00:05:44,610 --> 00:05:46,980 OK, we've gone through some of it, but as I say. 62 00:05:48,580 --> 00:05:51,370 Multiple markets this point, but as I see. 63 00:05:52,400 --> 00:05:53,390 It's suspended. 64 00:05:57,060 --> 00:05:58,950 Let's see the name of our global frebel. 65 00:06:02,110 --> 00:06:03,410 OK, OK, OK. 66 00:06:08,640 --> 00:06:11,250 So perhaps we may need to include. 67 00:06:17,150 --> 00:06:17,960 Come over here. 68 00:06:21,510 --> 00:06:21,800 The. 69 00:06:24,090 --> 00:06:29,010 They include SDD H. 70 00:06:31,290 --> 00:06:32,520 They're not quick to run. 71 00:06:34,960 --> 00:06:41,440 OK, the arrest disappeared, I'll get onto the boat by clicking here we are at number nine. 72 00:06:43,350 --> 00:06:44,400 OK, over here. 73 00:06:50,300 --> 00:06:51,200 Click here to switch. 74 00:06:52,820 --> 00:06:55,310 And I'm going to suspend monitor. 75 00:06:56,620 --> 00:07:03,490 Or resume monitor, a copy machine monitor added to our live expressions when the hits enter. 76 00:07:03,970 --> 00:07:05,080 So let's observe the. 77 00:07:06,690 --> 00:07:09,630 So what is the what is the configuration here? 78 00:07:10,050 --> 00:07:10,910 Let's go through it. 79 00:07:11,280 --> 00:07:12,510 We said when we start. 80 00:07:15,280 --> 00:07:21,550 Red is going to be suspended, Red will suspend itself after suspend monitor reaches 50. 81 00:07:22,550 --> 00:07:30,310 And then once that happens, resume monitor will start monitoring when the time is right to resume. 82 00:07:30,590 --> 00:07:37,400 So as soon as Red goes into suspension, resume wanted to start counting and then resume when it reaches 83 00:07:37,400 --> 00:07:37,940 30. 84 00:07:38,180 --> 00:07:39,560 Redubbed resume. 85 00:07:39,890 --> 00:07:40,280 Resume. 86 00:07:40,280 --> 00:07:41,060 Wanted to hear. 87 00:07:43,490 --> 00:07:49,810 Would make sure red is resumed and then Red goes back to execute until its reaches 50 again and then 88 00:07:50,540 --> 00:07:54,060 resume when it kicks back in and then it continues like that. 89 00:07:54,400 --> 00:07:59,810 I'm going to click here to run, as you can see, resume Moniteau Zero because Red hasn't suspended 90 00:07:59,810 --> 00:08:00,140 yet. 91 00:08:00,350 --> 00:08:01,370 Everyone is running. 92 00:08:01,370 --> 00:08:02,780 All the tasks are running. 93 00:08:03,290 --> 00:08:08,010 Suspend Monitor is running its race in here, so spend money to hits 50 now. 94 00:08:08,030 --> 00:08:09,710 Resume Monitor is calculating. 95 00:08:09,830 --> 00:08:10,880 The red is frozen. 96 00:08:10,880 --> 00:08:13,310 Red is not running anymore, ok. 97 00:08:13,370 --> 00:08:17,980 Red has woken up because as you monitor just hit 30. 98 00:08:18,820 --> 00:08:20,270 OK, let's see that again. 99 00:08:23,000 --> 00:08:25,520 OK, resume monitor has resumed. 100 00:08:29,830 --> 00:08:30,370 OK. 101 00:08:32,480 --> 00:08:32,950 Right. 102 00:08:33,080 --> 00:08:34,100 So that's all there is. 103 00:08:34,250 --> 00:08:36,660 Do you have any questions with regards to this? 104 00:08:37,340 --> 00:08:41,780 Just let me know in the questions and answers area if you have any feedback. 105 00:08:42,540 --> 00:08:44,630 Um, just let me know as well. 106 00:08:44,640 --> 00:08:49,250 And if you find any course useful, take some time off to leave a review or some feedback. 107 00:08:49,400 --> 00:08:50,210 I'll see you later. 108 00:08:50,240 --> 00:08:50,840 Have a nice day.