Add A3, almost done
This commit is contained in:
		
							
								
								
									
										8
									
								
								Assignment3/.idea/.gitignore
									
									
									
										generated
									
									
										vendored
									
									
										Normal file
									
								
							
							
						
						
									
										8
									
								
								Assignment3/.idea/.gitignore
									
									
									
										generated
									
									
										vendored
									
									
										Normal file
									
								
							| @@ -0,0 +1,8 @@ | ||||
| # Default ignored files | ||||
| /shelf/ | ||||
| /workspace.xml | ||||
| # Editor-based HTTP Client requests | ||||
| /httpRequests/ | ||||
| # Datasource local storage ignored files | ||||
| /dataSources/ | ||||
| /dataSources.local.xml | ||||
							
								
								
									
										2
									
								
								Assignment3/.idea/Assignment3.iml
									
									
									
										generated
									
									
									
										Normal file
									
								
							
							
						
						
									
										2
									
								
								Assignment3/.idea/Assignment3.iml
									
									
									
										generated
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,2 @@ | ||||
| <?xml version="1.0" encoding="UTF-8"?> | ||||
| <module classpath="CMake" type="CPP_MODULE" version="4" /> | ||||
							
								
								
									
										4
									
								
								Assignment3/.idea/misc.xml
									
									
									
										generated
									
									
									
										Normal file
									
								
							
							
						
						
									
										4
									
								
								Assignment3/.idea/misc.xml
									
									
									
										generated
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,4 @@ | ||||
| <?xml version="1.0" encoding="UTF-8"?> | ||||
| <project version="4"> | ||||
|   <component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" /> | ||||
| </project> | ||||
							
								
								
									
										8
									
								
								Assignment3/.idea/modules.xml
									
									
									
										generated
									
									
									
										Normal file
									
								
							
							
						
						
									
										8
									
								
								Assignment3/.idea/modules.xml
									
									
									
										generated
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,8 @@ | ||||
| <?xml version="1.0" encoding="UTF-8"?> | ||||
| <project version="4"> | ||||
|   <component name="ProjectModuleManager"> | ||||
|     <modules> | ||||
|       <module fileurl="file://$PROJECT_DIR$/.idea/Assignment3.iml" filepath="$PROJECT_DIR$/.idea/Assignment3.iml" /> | ||||
|     </modules> | ||||
|   </component> | ||||
| </project> | ||||
							
								
								
									
										6
									
								
								Assignment3/.idea/vcs.xml
									
									
									
										generated
									
									
									
										Normal file
									
								
							
							
						
						
									
										6
									
								
								Assignment3/.idea/vcs.xml
									
									
									
										generated
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,6 @@ | ||||
| <?xml version="1.0" encoding="UTF-8"?> | ||||
| <project version="4"> | ||||
|   <component name="VcsDirectoryMappings"> | ||||
|     <mapping directory="$PROJECT_DIR$/.." vcs="Git" /> | ||||
|   </component> | ||||
| </project> | ||||
							
								
								
									
										6
									
								
								Assignment3/CMakeLists.txt
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										6
									
								
								Assignment3/CMakeLists.txt
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,6 @@ | ||||
| cmake_minimum_required(VERSION 3.20) | ||||
| project(Assignment3 C) | ||||
|  | ||||
| set(CMAKE_C_STANDARD 99) | ||||
|  | ||||
| add_executable(Assignment3 main.c) | ||||
							
								
								
									
										
											BIN
										
									
								
								Assignment3/documentation/Assignment 3.pdf
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										
											BIN
										
									
								
								Assignment3/documentation/Assignment 3.pdf
									
									
									
									
									
										Normal file
									
								
							
										
											Binary file not shown.
										
									
								
							
							
								
								
									
										35
									
								
								Assignment3/documentation/sample_code.txt
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										35
									
								
								Assignment3/documentation/sample_code.txt
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,35 @@ | ||||
| #include <pthread.h> // for pthread_create(), pthread_join(), etc. | ||||
| #include <stdio.h> // for scanf(), printf(), etc. | ||||
| #include <stdlib.h> // for malloc() | ||||
| #include <unistd.h> // for sleep() | ||||
|  | ||||
| #define NUMBER_OF_BOXES_PER_DWELLER 5 | ||||
| #define ROOM_IN_TRUCK 10 | ||||
| #define MIN_BOX_WEIGHT 5 | ||||
| #define MAX_BOX_WEIGHT 50 | ||||
| #define MAX_TIME_FOR_HOUSE_DWELLER 7 | ||||
| #define MIN_TIME_FOR_HOUSE_DWELLER 1 | ||||
| #define MAX_TIME_FOR_MOVER 3 | ||||
| #define MIN_TIME_FOR_MOVER 1 | ||||
| #define MIN_TIME_FOR_TRUCKER 1 | ||||
| #define MAX_TIME_FOR_TRUCKER 3 | ||||
| #define MIN_TRIP_TIME 5 | ||||
| #define MAX_TRIP_TIME 10 | ||||
| #define RANDOM_WITHIN_RANGE(a,b,seed) (a+rand_r(&seed)%(b-a)) | ||||
| // For pipes | ||||
| #define READ_END 0 | ||||
| #define WRITE_END 1 | ||||
|  | ||||
| // Pipe between house dwellers and movers | ||||
| int houseFloor[2]; | ||||
| // Pipe between movers and truckers | ||||
| int nextToTrucks[2]; | ||||
|  | ||||
| // some function definitions follow | ||||
|  | ||||
| int main(int argc, char** argv){ | ||||
|     srand(time(NULL)); | ||||
|  | ||||
| // rest of the program follows | ||||
|     return 0; | ||||
| } | ||||
							
								
								
									
										62
									
								
								Assignment3/documentation/sample_execution.txt
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										62
									
								
								Assignment3/documentation/sample_execution.txt
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,62 @@ | ||||
| Please input number of people living in the house, number of movers and number of truck drivers | ||||
| 3 2 1 | ||||
| Hello from house dweller 0 | ||||
| Hello from house dweller 1 | ||||
| Hello from house dweller 2 | ||||
| Hello from mover 1 | ||||
| Hello from mover 0 | ||||
| Hello from truck driver 0 | ||||
| House dweller 1 created a box that weighs 17 in 5 units of time | ||||
| House dweller 0 created a box that weighs 19 in 6 units of time | ||||
| House dweller 2 created a box that weighs 13 in 6 units of time | ||||
| House dweller 1 created a box that weighs 30 in 1 units of time | ||||
| Mover 0 brought down a box that weighs 17 in 1 units of time | ||||
| Mover 0 brought down a box that weighs 13 in 1 units of time | ||||
| Mover 1 brought down a box that weighs 19 in 2 units of time | ||||
| Trucker 0  loaded up a box that weighs 17 to the truck, took 2 units of time, room left:9 | ||||
| Mover 0 brought down a box that weighs 30 in 1 units of time | ||||
| Trucker 0  loaded up a box that weighs 13 to the truck, took 1 units of time, room left:8 | ||||
| House dweller 1 created a box that weighs 6 in 4 units of time | ||||
| House dweller 0 created a box that weighs 20 in 4 units of time | ||||
| Trucker 0  loaded up a box that weighs 19 to the truck, took 2 units of time, room left:7 | ||||
| House dweller 2 created a box that weighs 44 in 6 units of time | ||||
| Mover 0 brought down a box that weighs 20 in 2 units of time | ||||
| House dweller 0 created a box that weighs 17 in 2 units of time | ||||
| Mover 1 brought down a box that weighs 6 in 2 units of time | ||||
| House dweller 1 created a box that weighs 26 in 2 units of time | ||||
| Mover 0 brought down a box that weighs 44 in 1 units of time | ||||
| Trucker 0  loaded up a box that weighs 30 to the truck, took 2 units of time, room left:6 | ||||
| Mover 1 brought down a box that weighs 26 in 2 units of time | ||||
| Trucker 0  loaded up a box that weighs 20 to the truck, took 1 units of time, room left:5 | ||||
| Mover 0 brought down a box that weighs 17 in 2 units of time | ||||
| Trucker 0  loaded up a box that weighs 6 to the truck, took 1 units of time, room left:4 | ||||
| House dweller 0 created a box that weighs 25 in 4 units of time | ||||
| Trucker 0  loaded up a box that weighs 44 to the truck, took 1 units of time, room left:3 | ||||
| House dweller 1 created a box that weighs 40 in 5 units of time | ||||
| House dweller 1 is done packing | ||||
| Trucker 0  loaded up a box that weighs 26 to the truck, took 1 units of time, room left:2 | ||||
| House dweller 2 created a box that weighs 49 in 6 units of time | ||||
| Mover 0 brought down a box that weighs 25 in 2 units of time | ||||
| Mover 1 brought down a box that weighs 40 in 2 units of time | ||||
| Trucker 0  loaded up a box that weighs 17 to the truck, took 2 units of time, room left:1 | ||||
| Mover 0 brought down a box that weighs 49 in 2 units of time | ||||
| Trucker 0  loaded up a box that weighs 25 to the truck, took 1 units of time, room left:0 | ||||
| Full truck 0 with load of 217 units of mass departed, round-trip will take 6 | ||||
| House dweller 0 created a box that weighs 14 in 6 units of time | ||||
| House dweller 0 is done packing | ||||
| House dweller 2 created a box that weighs 35 in 6 units of time | ||||
| Mover 0 brought down a box that weighs 14 in 2 units of time | ||||
| Mover 1 brought down a box that weighs 35 in 1 units of time | ||||
| Trucker 0  loaded up a box that weighs 40 to the truck, took 2 units of time, room left:9 | ||||
| Trucker 0  loaded up a box that weighs 49 to the truck, took 1 units of time, room left:8 | ||||
| House dweller 2 created a box that weighs 11 in 6 units of time | ||||
| House dweller 2 is done packing | ||||
| Mover 0 is done moving boxes downstairs | ||||
| Trucker 0  loaded up a box that weighs 14 to the truck, took 2 units of time, room left:7 | ||||
| Mover 1 brought down a box that weighs 11 in 2 units of time | ||||
| Mover 1 is done moving boxes downstairs | ||||
| Trucker 0  loaded up a box that weighs 35 to the truck, took 2 units of time, room left:6 | ||||
| Trucker 0  loaded up a box that weighs 11 to the truck, took 2 units of time, room left:5 | ||||
| Not full truck with load of 149 units of mass departed, one way trip will take 5 | ||||
| Trucker 0 is finished | ||||
| Moving is finished! | ||||
							
								
								
									
										100
									
								
								Assignment3/documentation/sample_execution_2.txt
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										100
									
								
								Assignment3/documentation/sample_execution_2.txt
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,100 @@ | ||||
| Please input number of people living in the house, number of movers and number of truck drivers | ||||
| 5 2 2 | ||||
| Hello from house dweller 0 | ||||
| Hello from house dweller 1 | ||||
| Hello from house dweller 2 | ||||
| Hello from house dweller 3 | ||||
| Hello from mover 1 | ||||
| Hello from house dweller 4 | ||||
| Hello from truck driver 0 | ||||
| Hello from mover 0 | ||||
| Hello from truck driver 1 | ||||
| House dweller 0 created a box that weighs 11 in 1 units of time | ||||
| House dweller 4 created a box that weighs 37 in 1 units of time | ||||
| Mover 1 brought down a box that weighs 37 in 1 units of time | ||||
| Mover 0 brought down a box that weighs 11 in 1 units of time | ||||
| House dweller 3 created a box that weighs 40 in 3 units of time | ||||
| Trucker 0  loaded up a box that weighs 37 to the truck, took 1 units of time, room left:9 | ||||
| House dweller 2 created a box that weighs 49 in 4 units of time | ||||
| House dweller 4 created a box that weighs 22 in 3 units of time | ||||
| House dweller 3 created a box that weighs 24 in 1 units of time | ||||
| Trucker 1  loaded up a box that weighs 11 to the truck, took 2 units of time, room left:9 | ||||
| House dweller 0 created a box that weighs 24 in 4 units of time | ||||
| Mover 0 brought down a box that weighs 40 in 2 units of time | ||||
| House dweller 1 created a box that weighs 38 in 6 units of time | ||||
| Mover 1 brought down a box that weighs 49 in 2 units of time | ||||
| House dweller 4 created a box that weighs 44 in 2 units of time | ||||
| Trucker 1  loaded up a box that weighs 40 to the truck, took 2 units of time, room left:8 | ||||
| House dweller 3 created a box that weighs 33 in 3 units of time | ||||
| Mover 0 brought down a box that weighs 22 in 2 units of time | ||||
| Trucker 0  loaded up a box that weighs 49 to the truck, took 2 units of time, room left:8 | ||||
| Mover 1 brought down a box that weighs 24 in 2 units of time | ||||
| House dweller 2 created a box that weighs 6 in 4 units of time | ||||
| House dweller 4 created a box that weighs 19 in 2 units of time | ||||
| Mover 0 brought down a box that weighs 24 in 1 units of time | ||||
| Trucker 0  loaded up a box that weighs 24 to the truck, took 1 units of time, room left:7 | ||||
| House dweller 0 created a box that weighs 19 in 4 units of time | ||||
| Trucker 1  loaded up a box that weighs 22 to the truck, took 2 units of time, room left:7 | ||||
| Mover 0 brought down a box that weighs 44 in 1 units of time | ||||
| House dweller 4 created a box that weighs 38 in 2 units of time | ||||
| House dweller 4 is done packing | ||||
| Mover 1 brought down a box that weighs 38 in 2 units of time | ||||
| Trucker 0  loaded up a box that weighs 24 to the truck, took 1 units of time, room left:6 | ||||
| Mover 0 brought down a box that weighs 33 in 1 units of time | ||||
| Mover 1 brought down a box that weighs 6 in 1 units of time | ||||
| Trucker 1  loaded up a box that weighs 44 to the truck, took 2 units of time, room left:6 | ||||
| House dweller 1 created a box that weighs 26 in 6 units of time | ||||
| House dweller 2 created a box that weighs 29 in 4 units of time | ||||
| House dweller 3 created a box that weighs 8 in 5 units of time | ||||
| Trucker 0  loaded up a box that weighs 38 to the truck, took 2 units of time, room left:5 | ||||
| Trucker 1  loaded up a box that weighs 33 to the truck, took 1 units of time, room left:5 | ||||
| Mover 0 brought down a box that weighs 19 in 2 units of time | ||||
| Trucker 0  loaded up a box that weighs 6 to the truck, took 1 units of time, room left:4 | ||||
| House dweller 3 created a box that weighs 39 in 1 units of time | ||||
| House dweller 3 is done packing | ||||
| Mover 1 brought down a box that weighs 19 in 2 units of time | ||||
| House dweller 0 created a box that weighs 44 in 5 units of time | ||||
| Mover 1 brought down a box that weighs 26 in 1 units of time | ||||
| Trucker 1  loaded up a box that weighs 19 to the truck, took 2 units of time, room left:4 | ||||
| Mover 0 brought down a box that weighs 38 in 2 units of time | ||||
| Trucker 0  loaded up a box that weighs 19 to the truck, took 2 units of time, room left:3 | ||||
| Mover 1 brought down a box that weighs 29 in 1 units of time | ||||
| Mover 0 brought down a box that weighs 8 in 1 units of time | ||||
| House dweller 2 created a box that weighs 33 in 4 units of time | ||||
| Trucker 1  loaded up a box that weighs 26 to the truck, took 2 units of time, room left:3 | ||||
| Mover 1 brought down a box that weighs 39 in 1 units of time | ||||
| Trucker 0  loaded up a box that weighs 38 to the truck, took 2 units of time, room left:2 | ||||
| Mover 0 brought down a box that weighs 44 in 2 units of time | ||||
| House dweller 1 created a box that weighs 17 in 6 units of time | ||||
| Trucker 1  loaded up a box that weighs 29 to the truck, took 2 units of time, room left:2 | ||||
| Mover 1 brought down a box that weighs 33 in 2 units of time | ||||
| Trucker 0  loaded up a box that weighs 8 to the truck, took 1 units of time, room left:1 | ||||
| House dweller 2 created a box that weighs 13 in 3 units of time | ||||
| House dweller 2 is done packing | ||||
| Trucker 1  loaded up a box that weighs 39 to the truck, took 1 units of time, room left:1 | ||||
| Trucker 0  loaded up a box that weighs 44 to the truck, took 1 units of time, room left:0 | ||||
| Full truck 0 with load of 287 units of mass departed, round-trip will take 8 | ||||
| Mover 0 brought down a box that weighs 17 in 2 units of time | ||||
| House dweller 0 created a box that weighs 42 in 6 units of time | ||||
| House dweller 0 is done packing | ||||
| Mover 1 brought down a box that weighs 13 in 1 units of time | ||||
| Trucker 1  loaded up a box that weighs 33 to the truck, took 1 units of time, room left:0 | ||||
| Full truck 1 with load of 296 units of mass departed, round-trip will take 8 | ||||
| House dweller 1 created a box that weighs 39 in 4 units of time | ||||
| Mover 0 brought down a box that weighs 42 in 2 units of time | ||||
| Mover 1 brought down a box that weighs 39 in 2 units of time | ||||
| House dweller 1 created a box that weighs 5 in 5 units of time | ||||
| House dweller 1 is done packing | ||||
| Mover 0 is done moving boxes downstairs | ||||
| Mover 1 brought down a box that weighs 5 in 2 units of time | ||||
| Mover 1 is done moving boxes downstairs | ||||
| Trucker 0  loaded up a box that weighs 17 to the truck, took 2 units of time, room left:9 | ||||
| Trucker 1  loaded up a box that weighs 13 to the truck, took 2 units of time, room left:9 | ||||
| Trucker 0  loaded up a box that weighs 42 to the truck, took 1 units of time, room left:8 | ||||
| Trucker 1  loaded up a box that weighs 39 to the truck, took 1 units of time, room left:8 | ||||
| Not full truck with load of 52 units of mass departed, one way trip will take 9 | ||||
| Trucker 0  loaded up a box that weighs 5 to the truck, took 1 units of time, room left:7 | ||||
| Not full truck with load of 64 units of mass departed, one way trip will take 8 | ||||
| Trucker 0 is finished | ||||
| Trucker 1 is finished | ||||
| Moving is finished! | ||||
							
								
								
									
										17
									
								
								Assignment3/examples/1-no_join-fixed.c
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										17
									
								
								Assignment3/examples/1-no_join-fixed.c
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,17 @@ | ||||
| /**To compile, don't forget to add -lpthread. Might not work without that */ | ||||
| #include<pthread.h> | ||||
| #include<stdio.h> | ||||
|  | ||||
| void* run (void* arg){ | ||||
|     printf("Hello from run\n"); | ||||
|     return NULL; | ||||
| } | ||||
|  | ||||
| int main(){ | ||||
|     pthread_t thread; // variable to store the reference to the thread | ||||
|     pthread_create(&thread, NULL, &run, NULL); | ||||
|     printf("In main"); // This section will be executed in parallel | ||||
|     pthread_join(thread,NULL); // necessary for waiting for the thread to finish | ||||
|     printf("In main 2"); | ||||
|     return 0; | ||||
| } | ||||
							
								
								
									
										23
									
								
								Assignment3/examples/2-sleep no_join-fixed.c
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										23
									
								
								Assignment3/examples/2-sleep no_join-fixed.c
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,23 @@ | ||||
| #include<pthread.h> | ||||
| #include<stdio.h> | ||||
| #include<stdlib.h> | ||||
| #include<unistd.h> | ||||
| #include<time.h> | ||||
| #include<sys/time.h> | ||||
|  | ||||
| void* run (void* arg){ | ||||
|     printf("Hello from run\n"); | ||||
|     return NULL; | ||||
| } | ||||
|  | ||||
| int main(){ | ||||
|     pthread_t thread; | ||||
|     pthread_create(&thread, NULL, &run, NULL); | ||||
|     // While the sleep() function will appear to provide synchronization, | ||||
|     // it is incorrect, and if used for this purposes instead of join | ||||
|     // or synchronization mechanism - the grade for the assignment will be | ||||
|     // reduced | ||||
|     sleep(2); | ||||
|     printf("Back in main"); | ||||
|     return 0; | ||||
| } | ||||
							
								
								
									
										24
									
								
								Assignment3/examples/3-losing_track_of_threads-fixed.c
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										24
									
								
								Assignment3/examples/3-losing_track_of_threads-fixed.c
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,24 @@ | ||||
| #include<pthread.h> | ||||
| #include<stdio.h> | ||||
| #include<stdlib.h> | ||||
| #include<unistd.h> | ||||
| #include<time.h> | ||||
| #include<sys/time.h> | ||||
|  | ||||
| void* run (void* arg){ | ||||
|     sleep(10-(int)arg); | ||||
|     printf("Hello from run\n"); | ||||
| } | ||||
|  | ||||
| int main(){ | ||||
|     pthread_t thread[10]; | ||||
|     int i = 0; | ||||
|     for (i = 0 ; i < 10; ++i) | ||||
|         pthread_create(&thread[i], NULL, &run,(void*)i); | ||||
|  | ||||
|     // If you plan to use the results of all the threads, consider | ||||
|     // using join for all of the threads | ||||
|     for (i = 0 ; i < 10; ++i) | ||||
|         pthread_join(thread[i],NULL); | ||||
|     printf("In main"); | ||||
| } | ||||
							
								
								
									
										21
									
								
								Assignment3/examples/4-passing_data_wrongly.c
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										21
									
								
								Assignment3/examples/4-passing_data_wrongly.c
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,21 @@ | ||||
| #include<pthread.h> | ||||
| #include<stdio.h> | ||||
|  | ||||
| void* run (void* arg){ | ||||
|     int i = (int) arg; | ||||
|     printf("Hello from run, arg is %i\n",i); | ||||
| } | ||||
|  | ||||
| int main(){ | ||||
|     pthread_t thread[10]; | ||||
|     int i = 0; | ||||
|     for (i = 0 ; i < 10; ++i) | ||||
|         pthread_create(&thread, NULL, &run,(void*)i); | ||||
|     // Notice how warnings are generated. This can be resolved by properly | ||||
|     // allocating space for the thread parameters. | ||||
|     // Note, that if you are using stack variable, the values might be corrupted | ||||
|     for (i = 0 ; i < 10; i++){ | ||||
|         pthread_join(thread[i],NULL); | ||||
|     } | ||||
|     printf("In main"); | ||||
| } | ||||
							
								
								
									
										31
									
								
								Assignment3/examples/4-passing_data_wrongly_fixed.c
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										31
									
								
								Assignment3/examples/4-passing_data_wrongly_fixed.c
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,31 @@ | ||||
| #include<pthread.h> | ||||
| #include<stdio.h> | ||||
| #include <stdlib.h> | ||||
|  | ||||
| typedef struct thread_args{ | ||||
|     char letter; | ||||
|     int id; | ||||
| }Args; | ||||
| void* run (void* arg){ | ||||
|     Args* argg = (Args*) arg; | ||||
|     int i = argg->id; | ||||
|     printf("Hello from run %d\n", i); | ||||
|     return NULL; | ||||
| } | ||||
|  | ||||
| int main(int argc, char** argv){ | ||||
|     pthread_t thread[10]; | ||||
|     int i = 0; | ||||
|     for (i = 0 ; i < 10; i++){ | ||||
|         Args* argg = (Args*) (malloc(sizeof(Args))); | ||||
|         argg->letter = 'q'; | ||||
|         argg->id = i; | ||||
|         pthread_create(&(thread[i]), NULL, &run,(void*)argg); | ||||
|     } | ||||
|     for (i = 0 ; i < 10; i++){ | ||||
|         pthread_join(thread[i],NULL); | ||||
|     } | ||||
|     // Free the resources somewhere, for long running program. Or let the OS handle that | ||||
|     printf("In main"); | ||||
|     return 0; | ||||
| } | ||||
							
								
								
									
										19
									
								
								Assignment3/examples/5-pthread_detach.c
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										19
									
								
								Assignment3/examples/5-pthread_detach.c
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,19 @@ | ||||
| #include<pthread.h> | ||||
| #include<stdio.h> | ||||
|  | ||||
| void* run (void* arg){ | ||||
|     printf("Hello from run\n"); | ||||
|     return NULL; | ||||
| } | ||||
|  | ||||
| int main(){ | ||||
|     pthread_t thread; | ||||
|     pthread_create(&thread, NULL, &run, NULL); | ||||
|     pthread_detach(thread); | ||||
|     // This command will make thread detached. This means the resources will be released  | ||||
|     // upon the thread's completion - calling return | ||||
|     // However, detached threads cannot be joined, which means if you care about the result | ||||
|     // of the thread execution - you should not be using pthread_detach | ||||
|     printf("In main"); | ||||
|     return 0; | ||||
| } | ||||
							
								
								
									
										151
									
								
								Assignment3/main.c
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										151
									
								
								Assignment3/main.c
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,151 @@ | ||||
| #include <pthread.h> // for pthread_create(), pthread_join(), etc. | ||||
| #include <stdio.h> // for scanf(), printf(), etc. | ||||
| #include <stdlib.h> // for malloc() | ||||
| #include <unistd.h> // for sleep() | ||||
|  | ||||
| #define NUMBER_OF_BOXES_PER_DWELLER 5 | ||||
| #define ROOM_IN_TRUCK 10 | ||||
| #define MIN_BOX_WEIGHT 5 | ||||
| #define MAX_BOX_WEIGHT 50 | ||||
| #define MAX_TIME_FOR_HOUSE_DWELLER 7 | ||||
| #define MIN_TIME_FOR_HOUSE_DWELLER 1 | ||||
| #define MAX_TIME_FOR_MOVER 3 | ||||
| #define MIN_TIME_FOR_MOVER 1 | ||||
| #define MIN_TIME_FOR_TRUCKER 1 | ||||
| #define MAX_TIME_FOR_TRUCKER 3 | ||||
| #define MIN_TRIP_TIME 5 | ||||
| #define MAX_TRIP_TIME 10 | ||||
| #define RANDOM_WITHIN_RANGE(a,b,seed) (a+rand_r(&seed)%(b-a)) | ||||
| // For pipes | ||||
| #define READ_END 0 | ||||
| #define WRITE_END 1 | ||||
|  | ||||
| // Pipe between house dwellers and movers | ||||
| int houseFloor[2]; | ||||
| // Pipe between movers and truckers | ||||
| int nextToTrucks[2]; | ||||
|  | ||||
| typedef struct args { | ||||
|     int id; | ||||
|     unsigned int seed; | ||||
| } Args; | ||||
|  | ||||
| void* dweller(void* arg) { | ||||
|     Args *args = (Args*) arg; | ||||
|     int id = args->id; | ||||
|     unsigned int seed = args->seed; | ||||
|     printf("Hello from house dweller %d\n", id); | ||||
|  | ||||
|     for(int i = 0; i < NUMBER_OF_BOXES_PER_DWELLER; i++) { | ||||
|         int weight = RANDOM_WITHIN_RANGE(MIN_BOX_WEIGHT, MAX_BOX_WEIGHT, seed); | ||||
|         int time = RANDOM_WITHIN_RANGE(MIN_TIME_FOR_HOUSE_DWELLER, MAX_TIME_FOR_HOUSE_DWELLER, seed); | ||||
|         sleep(time); | ||||
|         write(houseFloor[WRITE_END], &weight, sizeof(int)); | ||||
|         printf("House dweller %d produced a box that weights %d in %d units of time\n", id, weight, time); | ||||
|     } | ||||
|     printf("House dweller %d is done packing\n", id); | ||||
|     free(args); | ||||
|     return NULL; | ||||
| } | ||||
|  | ||||
| void* mover(void* arg) { | ||||
|     Args *args = (Args*) arg; | ||||
|     int id = args->id; | ||||
|     unsigned int seed = args->seed; | ||||
|     int weight; | ||||
|  | ||||
|     printf("Hello from mover %d\n", id); | ||||
|     while (read(houseFloor[READ_END], &weight, sizeof(int)) > 0) { | ||||
|         int time = RANDOM_WITHIN_RANGE(MIN_TIME_FOR_MOVER, MAX_TIME_FOR_MOVER, seed); | ||||
|         sleep(time); | ||||
|         printf("Mover %d brought down a box of weight %d in %d units of time\n", id, weight, time); | ||||
|         write(nextToTrucks[WRITE_END], &weight, sizeof(int)); | ||||
|     } | ||||
|     printf("Mover %d is done moving\n", id); | ||||
|     free(args); | ||||
|     return NULL; | ||||
| } | ||||
|  | ||||
| void* trucker(void* arg) { | ||||
|     Args *args = (Args*) arg; | ||||
|     int id = args->id; | ||||
|     unsigned int seed = args->seed; | ||||
|     int capacity = ROOM_IN_TRUCK; | ||||
|     int truckWeight = 0; | ||||
|     int weight; | ||||
|  | ||||
|     printf("Hello from trucker %d\n", id); | ||||
|     while (read(nextToTrucks[READ_END], &weight, sizeof(int)) > 0) { | ||||
|         capacity--; | ||||
|         truckWeight += weight; | ||||
|         int time = RANDOM_WITHIN_RANGE(MIN_TIME_FOR_TRUCKER, MAX_TIME_FOR_TRUCKER, seed); | ||||
|         sleep(time); | ||||
|         printf("Trucker %d loaded up box of weight %d in %d units of time, room left: %d\n", id, weight, time, capacity); | ||||
|  | ||||
|         if (capacity == 0) { | ||||
|             time = RANDOM_WITHIN_RANGE(MIN_TRIP_TIME, MAX_TRIP_TIME, seed); | ||||
|             printf("Full truck %d with load of %d units of mass departed. Round trip will take %d units of time\n", id, truckWeight, time); | ||||
|             sleep(time); | ||||
|             capacity = ROOM_IN_TRUCK; | ||||
|             truckWeight = 0; | ||||
|         } | ||||
|     } | ||||
|     printf("Truck %d is not full\n", id); | ||||
|     int time = RANDOM_WITHIN_RANGE(MIN_TRIP_TIME/2, MAX_TRIP_TIME/2, seed); // One way trip, so half the time | ||||
|     sleep(time); | ||||
|     printf("Not full truck %d with load of %d units of mass departed. One way will take %d units of time\n", id, truckWeight, time); | ||||
|     printf("Truck %d is finished\n", id); | ||||
|     free(args); | ||||
|     return NULL; | ||||
| } | ||||
|  | ||||
|  | ||||
| int main(int argc, char **argv) { | ||||
|     srand(time(NULL)); | ||||
|  | ||||
|     pipe(houseFloor); | ||||
|     pipe(nextToTrucks); | ||||
|  | ||||
|     int numberOfHouseDwellers, numberOfMovers, numberOfTruckers; | ||||
|     printf("Please input number of people living in the house, number of movers and number of truck drivers\n"); | ||||
|     scanf("%d %d %d", &numberOfHouseDwellers, &numberOfMovers, &numberOfTruckers); | ||||
|  | ||||
|     pthread_t dwellerThreads[numberOfHouseDwellers]; | ||||
|     pthread_t moverThreads[numberOfMovers]; | ||||
|     pthread_t truckerThreads[numberOfTruckers]; | ||||
|  | ||||
|     for(int i = 0; i < numberOfHouseDwellers; i++) { | ||||
|         Args *args = (Args*) malloc(sizeof(Args)); | ||||
|         args->id = i; | ||||
|         args->seed = rand(); | ||||
|         pthread_create(&dwellerThreads[i], NULL, &dweller, (void*) args); | ||||
|     } | ||||
|     for(int i = 0; i < numberOfMovers; i++) { | ||||
|         Args *args = (Args*) malloc(sizeof(Args)); | ||||
|         args->id = i; | ||||
|         args->seed = rand(); | ||||
|         pthread_create(&moverThreads[i], NULL, &mover, (void*) args); | ||||
|     } | ||||
|     for(int i = 0; i < numberOfTruckers; i++) { | ||||
|         Args *args = (Args*) malloc(sizeof(Args)); | ||||
|         args->id = i; | ||||
|         args->seed = rand(); | ||||
|         pthread_create(&truckerThreads[i], NULL, &trucker, (void*) args); | ||||
|     } | ||||
|     for (int i = 0; i < numberOfHouseDwellers; i++) { | ||||
|         pthread_join(dwellerThreads[i], NULL); | ||||
|     } | ||||
|     close(houseFloor[WRITE_END]); | ||||
|     for (int i = 0; i < numberOfMovers; i++) { | ||||
|         pthread_join(moverThreads[i], NULL); | ||||
|     } | ||||
|     close(houseFloor[READ_END]); | ||||
|     close(nextToTrucks[WRITE_END]); | ||||
|     for (int i = 0; i < numberOfTruckers; i++) { | ||||
|         pthread_join(truckerThreads[i], NULL); | ||||
|     } | ||||
|     close(nextToTrucks[READ_END]); | ||||
|  | ||||
|     printf("Moving is finished!\n"); | ||||
|     return 0; | ||||
| } | ||||
							
								
								
									
										63
									
								
								Assignment3/outputs/3 2 1.txt
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										63
									
								
								Assignment3/outputs/3 2 1.txt
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,63 @@ | ||||
| Please input number of people living in the house, number of movers and number of truck drivers | ||||
| 3 2 1 | ||||
| Hello from house dweller 0 | ||||
| Hello from house dweller 1 | ||||
| Hello from house dweller 2 | ||||
| Hello from mover 0 | ||||
| Hello from mover 1 | ||||
| Hello from trucker 0 | ||||
| House dweller 0 produced a box that weights 22 in 1 units of time | ||||
| House dweller 2 produced a box that weights 24 in 2 units of time | ||||
| House dweller 0 produced a box that weights 42 in 1 units of time | ||||
| Mover 0 picked up a box of weight 22 in 2 units of time | ||||
| Mover 1 picked up a box of weight 24 in 1 units of time | ||||
| House dweller 1 produced a box that weights 42 in 4 units of time | ||||
| House dweller 2 produced a box that weights 47 in 2 units of time | ||||
| Mover 0 picked up a box of weight 42 in 1 units of time | ||||
| Trucker 0 loaded a box of weight 22 in 2 units of time, room left: 9 | ||||
| Mover 0 picked up a box of weight 47 in 1 units of time | ||||
| Mover 1 picked up a box of weight 42 in 2 units of time | ||||
| House dweller 0 produced a box that weights 26 in 5 units of time | ||||
| Trucker 0 loaded a box of weight 24 in 2 units of time, room left: 8 | ||||
| Mover 0 picked up a box of weight 26 in 1 units of time | ||||
| Trucker 0 loaded a box of weight 42 in 1 units of time, room left: 7 | ||||
| House dweller 2 produced a box that weights 19 in 5 units of time | ||||
| House dweller 0 produced a box that weights 45 in 2 units of time | ||||
| House dweller 1 produced a box that weights 40 in 6 units of time | ||||
| Mover 1 picked up a box of weight 19 in 1 units of time | ||||
| Trucker 0 loaded a box of weight 47 in 2 units of time, room left: 6 | ||||
| Mover 0 picked up a box of weight 45 in 2 units of time | ||||
| Mover 1 picked up a box of weight 40 in 1 units of time | ||||
| Trucker 0 loaded a box of weight 42 in 1 units of time, room left: 5 | ||||
| House dweller 0 produced a box that weights 37 in 3 units of time | ||||
| House dweller 0 is done packing | ||||
| Mover 0 picked up a box of weight 37 in 1 units of time | ||||
| Trucker 0 loaded a box of weight 26 in 2 units of time, room left: 4 | ||||
| House dweller 1 produced a box that weights 31 in 4 units of time | ||||
| Trucker 0 loaded a box of weight 19 in 1 units of time, room left: 3 | ||||
| Mover 1 picked up a box of weight 31 in 1 units of time | ||||
| House dweller 1 produced a box that weights 17 in 1 units of time | ||||
| House dweller 2 produced a box that weights 27 in 6 units of time | ||||
| Trucker 0 loaded a box of weight 40 in 2 units of time, room left: 2 | ||||
| Mover 0 picked up a box of weight 27 in 2 units of time | ||||
| Mover 1 picked up a box of weight 17 in 2 units of time | ||||
| Trucker 0 loaded a box of weight 45 in 2 units of time, room left: 1 | ||||
| House dweller 2 produced a box that weights 33 in 4 units of time | ||||
| House dweller 2 is done packing | ||||
| Trucker 0 loaded a box of weight 37 in 1 units of time, room left: 0 | ||||
| Full truck 0 with load of 344 units of mass departed. Round trip will take 7 units of time | ||||
| House dweller 1 produced a box that weights 14 in 5 units of time | ||||
| House dweller 1 is done packing | ||||
| Mover 0 picked up a box of weight 33 in 1 units of time | ||||
| Mover 0 is done moving | ||||
| Mover 1 picked up a box of weight 14 in 1 units of time | ||||
| Mover 1 is done moving | ||||
| Trucker 0 loaded a box of weight 31 in 2 units of time, room left: 9 | ||||
| Trucker 0 loaded a box of weight 27 in 2 units of time, room left: 8 | ||||
| Trucker 0 loaded a box of weight 17 in 2 units of time, room left: 7 | ||||
| Trucker 0 loaded a box of weight 33 in 2 units of time, room left: 6 | ||||
| Trucker 0 loaded a box of weight 14 in 2 units of time, room left: 5 | ||||
| Truck 0 is not full | ||||
| Not full truck 0 with load of 122 units of mass departed. One way will take 3 units of time | ||||
| Truck 0 is finished | ||||
| Moving is finished! | ||||
		Reference in New Issue
	
	Block a user