1 | /* test 2 */
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2 |
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3 | #include <sys/types.h>
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4 | #include <sys/times.h>
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5 | #include <sys/wait.h>
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6 | #include <errno.h>
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7 | #include <signal.h>
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8 | #include <stdlib.h>
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9 | #include <unistd.h>
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10 | #include <time.h>
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11 | #include <stdio.h>
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12 |
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13 | #define ITERATIONS 5
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14 | #define MAX_ERROR 4
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15 |
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16 | int is, array[4], parsigs, parcum, sigct, cumsig, errct, subtest;
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17 | int iteration, kk = 0, errct = 0;
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18 | char buf[2048];
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19 |
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20 | _PROTOTYPE(int main, (int argc, char *argv []));
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21 | _PROTOTYPE(void test2a, (void));
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22 | _PROTOTYPE(void test2b, (void));
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23 | _PROTOTYPE(void test2c, (void));
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24 | _PROTOTYPE(void test2d, (void));
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25 | _PROTOTYPE(void test2e, (void));
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26 | _PROTOTYPE(void test2f, (void));
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27 | _PROTOTYPE(void test2g, (void));
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28 | _PROTOTYPE(void test2h, (void));
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29 | _PROTOTYPE(void sigpip, (int s));
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30 | _PROTOTYPE(void quit, (void));
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31 | _PROTOTYPE(void e, (int n));
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32 |
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33 | int main(argc, argv)
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34 | int argc;
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35 | char *argv[];
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36 | {
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37 | int i, m = 0xFFFF;
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38 |
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39 | sync();
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40 |
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41 | if (argc == 2) m = atoi(argv[1]);
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42 |
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43 | printf("Test 2 ");
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44 | fflush(stdout); /* have to flush for child's benefit */
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45 |
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46 | system("rm -rf DIR_02; mkdir DIR_02");
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47 | chdir("DIR_02");
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48 |
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49 | for (i = 0; i < ITERATIONS; i++) {
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50 | iteration = i;
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51 | if (m & 0001) test2a();
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52 | if (m & 0002) test2b();
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53 | if (m & 0004) test2c();
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54 | if (m & 0010) test2d();
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55 | if (m & 0020) test2e();
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56 | if (m & 0040) test2f();
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57 | if (m & 0100) test2g();
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58 | if (m & 0200) test2h();
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59 | }
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60 | subtest = 100;
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61 | if (cumsig != ITERATIONS) e(101);
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62 | quit();
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63 | return(-1); /* impossible */
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64 | }
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65 |
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66 | void test2a()
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67 | {
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68 | /* Test pipes */
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69 |
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70 | int fd[2];
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71 | int n, i, j, q = 0;
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72 |
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73 | subtest = 1;
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74 | if (pipe(fd) < 0) {
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75 | printf("pipe error. errno= %d\n", errno);
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76 | errct++;
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77 | quit();
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78 | }
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79 | i = fork();
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80 | if (i < 0) {
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81 | printf("fork failed\n");
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82 | errct++;
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83 | quit();
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84 | }
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85 | if (i != 0) {
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86 | /* Parent code */
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87 | close(fd[0]);
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88 | for (i = 0; i < 2048; i++) buf[i] = i & 0377;
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89 | for (q = 0; q < 8; q++) {
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90 | if (write(fd[1], buf, 2048) < 0) {
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91 | printf("write pipe err. errno=%d\n", errno);
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92 | errct++;
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93 | quit();
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94 | }
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95 | }
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96 | close(fd[1]);
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97 | wait(&q);
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98 | if (q != 256 * 58) {
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99 | printf("wrong exit code %d\n", q);
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100 | errct++;
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101 | quit();
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102 | }
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103 | } else {
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104 | /* Child code */
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105 | close(fd[1]);
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106 | for (q = 0; q < 32; q++) {
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107 | n = read(fd[0], buf, 512);
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108 | if (n != 512) {
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109 | printf("read yielded %d bytes, not 512\n", n);
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110 | errct++;
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111 | quit();
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112 | }
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113 | for (j = 0; j < n; j++)
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114 | if ((buf[j] & 0377) != (kk & 0377)) {
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115 | printf("wrong data: %d %d %d \n ",
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116 | j, buf[j] & 0377, kk & 0377);
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117 | } else {
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118 | kk++;
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119 | }
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120 | }
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121 | exit(58);
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122 | }
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123 | }
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124 |
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125 | void test2b()
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126 | {
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127 | int fd[2], n;
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128 | char buf[4];
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129 |
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130 | subtest = 2;
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131 | sigct = 0;
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132 | signal(SIGPIPE, sigpip);
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133 | pipe(fd);
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134 | if (fork()) {
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135 | /* Parent */
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136 | close(fd[0]);
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137 | while (sigct == 0) {
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138 | write(fd[1], buf, 1);
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139 | }
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140 | wait(&n);
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141 | } else {
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142 | /* Child */
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143 | close(fd[0]);
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144 | close(fd[1]);
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145 | exit(0);
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146 | }
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147 | }
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148 |
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149 | void test2c()
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150 | {
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151 | int n;
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152 |
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153 | subtest = 3;
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154 | signal(SIGINT, SIG_DFL);
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155 | is = 0;
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156 | if ((array[is++] = fork()) > 0) {
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157 | if ((array[is++] = fork()) > 0) {
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158 | if ((array[is++] = fork()) > 0) {
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159 | if ((array[is++] = fork()) > 0) {
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160 | signal(SIGINT, SIG_IGN);
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161 | kill(array[0], SIGINT);
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162 | kill(array[1], SIGINT);
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163 | kill(array[2], SIGINT);
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164 | kill(array[3], SIGINT);
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165 | wait(&n);
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166 | wait(&n);
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167 | wait(&n);
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168 | wait(&n);
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169 | } else {
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170 | pause();
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171 | }
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172 | } else {
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173 | pause();
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174 | }
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175 | } else {
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176 | pause();
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177 | }
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178 | } else {
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179 | pause();
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180 | }
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181 | }
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182 |
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183 | void test2d()
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184 | {
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185 |
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186 | int pid, stat_loc, s;
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187 |
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188 | /* Test waitpid. */
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189 | subtest = 4;
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190 |
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191 | /* Test waitpid(pid, arg2, 0) */
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192 | pid = fork();
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193 | if (pid < 0) e(1);
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194 | if (pid > 0) {
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195 | /* Parent. */
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196 | s = waitpid(pid, &stat_loc, 0);
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197 | if (s != pid) e(2);
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198 | if (WIFEXITED(stat_loc) == 0) e(3);
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199 | if (WIFSIGNALED(stat_loc) != 0) e(4);
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200 | if (WEXITSTATUS(stat_loc) != 22) e(5);
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201 | } else {
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202 | /* Child */
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203 | exit(22);
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204 | }
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205 |
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206 | /* Test waitpid(-1, arg2, 0) */
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207 | pid = fork();
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208 | if (pid < 0) e(6);
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209 | if (pid > 0) {
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210 | /* Parent. */
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211 | s = waitpid(-1, &stat_loc, 0);
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212 | if (s != pid) e(7);
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213 | if (WIFEXITED(stat_loc) == 0) e(8);
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214 | if (WIFSIGNALED(stat_loc) != 0) e(9);
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215 | if (WEXITSTATUS(stat_loc) != 33) e(10);
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216 | } else {
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217 | /* Child */
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218 | exit(33);
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219 | }
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220 |
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221 | /* Test waitpid(0, arg2, 0) */
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222 | pid = fork();
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223 | if (pid < 0) e(11);
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224 | if (pid > 0) {
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225 | /* Parent. */
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226 | s = waitpid(0, &stat_loc, 0);
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227 | if (s != pid) e(12);
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228 | if (WIFEXITED(stat_loc) == 0) e(13);
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229 | if (WIFSIGNALED(stat_loc) != 0) e(14);
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230 | if (WEXITSTATUS(stat_loc) != 44) e(15);
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231 | } else {
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232 | /* Child */
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233 | exit(44);
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234 | }
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235 |
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236 | /* Test waitpid(0, arg2, WNOHANG) */
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237 | signal(SIGTERM, SIG_DFL);
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238 | pid = fork();
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239 | if (pid < 0) e(16);
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240 | if (pid > 0) {
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241 | /* Parent. */
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242 | s = waitpid(0, &stat_loc, WNOHANG);
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243 | if (s != 0) e(17);
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244 | if (kill(pid, SIGTERM) != 0) e(18);
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245 | if (waitpid(pid, &stat_loc, 0) != pid) e(19);
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246 | if (WIFEXITED(stat_loc) != 0) e(20);
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247 | if (WIFSIGNALED(stat_loc) == 0) e(21);
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248 | if (WTERMSIG(stat_loc) != SIGTERM) e(22);
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249 | } else {
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250 | /* Child */
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251 | pause();
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252 | }
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253 |
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254 | /* Test some error conditions. */
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255 | errno = 9999;
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256 | if (waitpid(0, &stat_loc, 0) != -1) e(23);
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257 | if (errno != ECHILD) e(24);
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258 | errno = 9999;
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259 | if (waitpid(0, &stat_loc, WNOHANG) != -1) e(25);
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260 | if (errno != ECHILD) e(26);
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261 | }
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262 |
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263 | void test2e()
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264 | {
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265 |
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266 | int pid1, pid2, stat_loc, s;
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267 |
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268 | /* Test waitpid with two children. */
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269 | subtest = 5;
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270 | if (iteration > 1) return; /* slow test, don't do it too much */
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271 | if ( (pid1 = fork())) {
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272 | /* Parent. */
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273 | if ( (pid2 = fork()) ) {
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274 | /* Parent. Collect second child first. */
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275 | s = waitpid(pid2, &stat_loc, 0);
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276 | if (s != pid2) e(1);
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277 | if (WIFEXITED(stat_loc) == 0) e(2);
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278 | if (WIFSIGNALED(stat_loc) != 0) e(3);
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279 | if (WEXITSTATUS(stat_loc) != 222) e(4);
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280 |
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281 | /* Now collect first child. */
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282 | s = waitpid(pid1, &stat_loc, 0);
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283 | if (s != pid1) e(5);
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284 | if (WIFEXITED(stat_loc) == 0) e(6);
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285 | if (WIFSIGNALED(stat_loc) != 0) e(7);
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286 | if (WEXITSTATUS(stat_loc) != 111) e(8);
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287 | } else {
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288 | /* Child 2. */
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289 | sleep(2); /* child 2 delays before exiting. */
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290 | exit(222);
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291 | }
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292 | } else {
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293 | /* Child 1. */
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294 | exit(111); /* child 1 exits immediately */
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295 | }
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296 |
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297 | }
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298 |
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299 | void test2f()
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300 | {
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301 | /* test getpid, getppid, getuid, etc. */
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302 |
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303 | pid_t pid, pid1, ppid, cpid, stat_loc, err;
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304 |
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305 | subtest = 6;
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306 | errno = -2000;
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307 | err = 0;
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308 | pid = getpid();
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309 | if ( (pid1 = fork())) {
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310 | /* Parent. Do nothing. */
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311 | if (wait(&stat_loc) != pid1) e(1);
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312 | if (WEXITSTATUS(stat_loc) != (pid1 & 0377)) e(2);
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313 | } else {
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314 | /* Child. Get ppid. */
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315 | cpid = getpid();
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316 | ppid = getppid();
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317 | if (ppid != pid) err = 3;
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318 | if (cpid == ppid) err = 4;
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319 | exit(cpid & 0377);
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320 | }
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321 | if (err != 0) e(err);
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322 | }
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323 |
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324 | void test2g()
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325 | {
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326 | /* test time(), times() */
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327 |
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328 | time_t t1, t2;
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329 | clock_t t3, t4;
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330 | struct tms tmsbuf;
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331 |
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332 | subtest = 7;
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333 | errno = -7000;
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334 |
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335 | /* First time(). */
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336 | t1 = -1;
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337 | t2 = -2;
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338 | t1 = time(&t2);
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339 | if (t1 < 650000000L) e(1); /* 650000000 is Sept. 1990 */
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340 | if (t1 != t2) e(2);
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341 | t1 = -1;
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342 | t1 = time( (time_t *) NULL);
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343 | if (t1 < 650000000L) e(3);
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344 | t3 = times(&tmsbuf);
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345 | sleep(1);
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346 | t2 = time( (time_t *) NULL);
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347 | if (t2 < 0L) e(4);
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348 | if (t2 - t1 < 1) e(5);
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349 |
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350 | /* Now times(). */
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351 | t4 = times(&tmsbuf);
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352 | if ( t4 == (clock_t) -1) e(6);
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353 | if (t4 - t3 < CLOCKS_PER_SEC) e(7);
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354 | if (tmsbuf.tms_utime < 0) e(8);
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355 | if (tmsbuf.tms_stime < 0) e(9);
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356 | if (tmsbuf.tms_cutime < 0) e(10);
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357 | if (tmsbuf.tms_cstime < 0) e(11);
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358 | }
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359 |
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360 | void test2h()
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361 | {
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362 | /* Test getgroups(). */
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363 |
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364 | gid_t g[10];
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365 |
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366 | subtest = 8;
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367 | errno = -8000;
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368 | if (getgroups(10, g) != 0) e(1);
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369 | if (getgroups(1, g) != 0) e(2);
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370 | if (getgroups(0, g) != 0) e(3);
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371 | }
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372 |
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373 | void sigpip(s)
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374 | int s; /* for ANSI */
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375 | {
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376 | sigct++;
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377 | cumsig++;
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378 | }
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379 |
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380 | void quit()
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381 | {
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382 |
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383 | chdir("..");
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384 | system("rm -rf DIR*");
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385 |
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386 | if (errct == 0) {
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387 | printf("ok\n");
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388 | exit(0);
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389 | } else {
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390 | printf("%d errors\n", errct);
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391 | exit(4);
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392 | }
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393 | }
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394 |
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395 | void e(n)
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396 | int n;
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397 | {
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398 | int err_num = errno; /* save errno in case printf clobbers it */
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399 |
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400 | printf("Subtest %d, error %d errno=%d ", subtest, n, errno);
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401 | errno = err_num; /* restore errno, just in case */
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402 | perror("");
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403 | if (errct++ > MAX_ERROR) {
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404 | printf("Too many errors; test aborted\n");
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405 | chdir("..");
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406 | system("rm -rf DIR*");
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407 | exit(1);
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408 | }
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409 | }
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