1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2022 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // fork+exec.cfa -- Check that we can use fork+exec to test parameters. |
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8 | // |
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9 | // Author : Thierry Delisle |
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10 | // Created On : Wed Sep 27 10:44:38 2022 |
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11 | // Last Modified By : |
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12 | // Last Modified On : |
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13 | // Update Count : |
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14 | // |
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15 | |
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16 | #include "fork+exec.hfa" |
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17 | |
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18 | int main(int argc, char * argv[]) { |
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19 | check_main(argv[0]); |
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20 | |
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21 | printf("arguments are:\n"); |
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22 | if(argc == 1) printf(" None\n"); |
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23 | for(int i = 1; i < argc; i++) { |
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24 | printf(" '%s'\n", argv[i]); |
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25 | } |
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26 | |
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27 | printf("Success!\n"); |
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28 | fflush(stdout); |
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29 | return 0; |
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30 | } |
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31 | |
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32 | |
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33 | |
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34 | int true_main(const char * path, const char * env[]) { |
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35 | printf("no arg:\n"); |
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36 | if(pid_t child = strict_fork(); child == 0) { |
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37 | int ret = execle(path, path, (const char*)0p, env); |
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38 | if(ret < 0) { |
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39 | fprintf(stderr, "Execl 1 returned with error: %d '%s'\n", errno, strerror(errno)); |
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40 | exit(1); |
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41 | } |
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42 | } |
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43 | else { |
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44 | int status = do_wait(child); |
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45 | print_status(status); |
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46 | } |
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47 | |
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48 | printf("1 arg:\n"); |
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49 | if(pid_t child = strict_fork(); child == 0) { |
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50 | int ret = execle(path, path, "Hello World!", (const char*)0p, env); |
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51 | if(ret < 0) { |
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52 | fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno)); |
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53 | exit(1); |
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54 | } |
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55 | } |
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56 | else { |
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57 | int status = do_wait(child); |
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58 | print_status(status); |
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59 | } |
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60 | |
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61 | printf("5 arg:\n"); |
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62 | if(pid_t child = strict_fork(); child == 0) { |
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63 | int ret = execle(path, path, "Hi,", "my", "name", "is", "Fred", (const char*)0p, env); |
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64 | if(ret < 0) { |
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65 | fprintf(stderr, "Execl 3 returned with error: %d '%s'\n", errno, strerror(errno)); |
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66 | exit(1); |
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67 | } |
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68 | } |
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69 | else { |
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70 | int status = do_wait(child); |
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71 | print_status(status); |
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72 | } |
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73 | |
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74 | printf("All Done!\n"); |
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75 | |
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76 | return 0; |
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77 | } |
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