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1 /* |
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2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * T_WAITPID.CPP |
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16 * |
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17 * |
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18 */ |
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19 |
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20 |
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21 |
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22 #include <stdlib.h> |
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23 #include <stdio.h> |
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24 #include <string.h> |
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25 #include <unistd.h> |
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26 #include <sys/errno.h> |
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27 #include <sys/wait.h> |
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28 #include "CTEST.H" |
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29 |
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30 int fids[3]; |
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31 test_Data; |
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32 |
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33 // simple function so the parent can wait for child and test waitpid |
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34 void doafunc() |
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35 { |
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36 sleep(5); |
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37 exit(0); |
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38 } |
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39 /** |
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40 @SYMTestCaseID SYSLIB-STDLIB-UT-1576 |
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41 @SYMTestCaseDesc Testing if POSIX waitpid function conforms to POSIX standard |
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42 @SYMTestPriority High |
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43 @SYMTestActions Starts a new processes and tests the POSIX waitpid function with |
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44 different parameters and checks if it behaves correctly |
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45 @SYMTestExpectedResults The test should not fail. |
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46 @SYMDEF INC073739 |
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47 */ |
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48 |
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49 int test_waitpid() |
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50 { |
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51 test_Data; |
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52 void* proc; |
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53 void* proc2; |
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54 int ret; |
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55 int status=-1; |
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56 test_Title("WAITPID"); |
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57 test_Next("waitpid"); |
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58 proc = create_process(doafunc, "A", "rw", fids); |
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59 if (proc) |
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60 start_process(proc); |
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61 else |
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62 perror("Failed to start process A: "); |
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63 |
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64 // test return values of calls to waitpid with different options and pid's |
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65 |
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66 if (proc) |
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67 { |
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68 // test with option WNOHANG and a correct pid on an active process |
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69 ret = wait_for_process_id(proc,get_proc_id(proc),WNOHANG,&status); |
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70 test(ret==0); |
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71 // test with an invalid pid |
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72 ret = wait_for_process_id(proc,99,0,&status); |
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73 test(errno==ECHILD&&ret==-1); |
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74 // test with invalid options |
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75 ret = wait_for_process_id(proc,99,17,&status); |
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76 test(errno==EINVAL&&ret==-1); |
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77 ret = wait_for_process_id(proc,99,18,&status); |
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78 test(errno==EINVAL&&ret==-1); |
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79 // process is still active keep waiting until it dies |
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80 do |
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81 { |
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82 ret = wait_for_process_id(proc,get_proc_id(proc),WNOHANG,&status); |
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83 } |
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84 while(!WIFEXITED(status)&&ret==0); |
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85 test(ret==get_proc_id(proc)); |
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86 printf("child exited, status=%d\n", WEXITSTATUS(status)); |
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87 } |
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88 |
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89 // create another process and test waitpid with pid -1 and options 0 |
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90 // this is the same as calling wait |
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91 proc2 = create_process(doafunc, "B", "rw", fids); |
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92 if (proc2) |
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93 start_process(proc2); |
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94 else |
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95 perror("Failed to start process B: "); |
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96 if (proc2) |
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97 { |
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98 //wait for proc2 to finish |
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99 do |
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100 { |
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101 ret = wait_for_process_id(proc2,-1,0,&status); |
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102 } |
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103 while (!WIFEXITED(status)); |
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104 test(ret==get_proc_id(proc2)); |
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105 printf("child exited, status=%d\n", WEXITSTATUS(status)); |
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106 } |
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107 |
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108 fflush(stdout); |
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109 fclose(stdout); |
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110 test_Close(); |
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111 return 0; |
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112 } |
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113 |
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114 |
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115 |
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116 int main (int argc, char *argv[]) |
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117 { |
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118 |
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119 start_redirection_server(); |
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120 if(argc>1) |
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121 //do something with child process |
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122 doafunc(); |
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123 else |
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124 test_waitpid(); |
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125 // exit here for the moment crt0 libraries panic |
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126 exit(0); |
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127 return 0; |
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128 } |