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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 /* |
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7 * File: intrio.c |
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8 * Purpose: testing i/o interrupts (see Bugzilla bug #31120) |
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9 */ |
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10 |
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11 #include "nspr.h" |
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12 |
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13 #include <stdio.h> |
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14 #include <stdlib.h> |
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15 #include <string.h> |
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16 |
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17 /* for synchronization between the main thread and iothread */ |
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18 static PRLock *lock; |
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19 static PRCondVar *cvar; |
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20 static PRBool iothread_ready; |
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21 |
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22 static void PR_CALLBACK AbortIO(void *arg) |
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23 { |
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24 PRStatus rv; |
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25 PR_Sleep(PR_SecondsToInterval(2)); |
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26 rv = PR_Interrupt((PRThread*)arg); |
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27 PR_ASSERT(PR_SUCCESS == rv); |
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28 } /* AbortIO */ |
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29 |
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30 static void PR_CALLBACK IOThread(void *arg) |
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31 { |
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32 PRFileDesc *sock, *newsock; |
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33 PRNetAddr addr; |
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34 |
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35 sock = PR_OpenTCPSocket(PR_AF_INET6); |
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36 if (sock == NULL) { |
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37 fprintf(stderr, "PR_OpenTCPSocket failed\n"); |
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38 exit(1); |
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39 } |
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40 memset(&addr, 0, sizeof(addr)); |
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41 if (PR_SetNetAddr(PR_IpAddrAny, PR_AF_INET6, 0, &addr) == PR_FAILURE) { |
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42 fprintf(stderr, "PR_SetNetAddr failed\n"); |
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43 exit(1); |
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44 } |
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45 if (PR_Bind(sock, &addr) == PR_FAILURE) { |
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46 fprintf(stderr, "PR_Bind failed\n"); |
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47 exit(1); |
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48 } |
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49 if (PR_Listen(sock, 5) == PR_FAILURE) { |
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50 fprintf(stderr, "PR_Listen failed\n"); |
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51 exit(1); |
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52 } |
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53 /* tell the main thread that we are ready */ |
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54 PR_Lock(lock); |
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55 iothread_ready = PR_TRUE; |
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56 PR_NotifyCondVar(cvar); |
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57 PR_Unlock(lock); |
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58 newsock = PR_Accept(sock, NULL, PR_INTERVAL_NO_TIMEOUT); |
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59 if (newsock != NULL) { |
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60 fprintf(stderr, "PR_Accept shouldn't have succeeded\n"); |
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61 exit(1); |
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62 } |
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63 if (PR_GetError() != PR_PENDING_INTERRUPT_ERROR) { |
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64 fprintf(stderr, "PR_Accept failed (%d, %d)\n", |
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65 PR_GetError(), PR_GetOSError()); |
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66 exit(1); |
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67 } |
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68 printf("PR_Accept() is interrupted as expected\n"); |
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69 if (PR_Close(sock) == PR_FAILURE) { |
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70 fprintf(stderr, "PR_Close failed\n"); |
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71 exit(1); |
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72 } |
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73 } |
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74 |
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75 static void Test(PRThreadScope scope1, PRThreadScope scope2) |
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76 { |
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77 PRThread *iothread, *abortio; |
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78 |
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79 printf("A %s thread will be interrupted by a %s thread\n", |
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80 (scope1 == PR_LOCAL_THREAD ? "local" : "global"), |
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81 (scope2 == PR_LOCAL_THREAD ? "local" : "global")); |
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82 iothread_ready = PR_FALSE; |
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83 iothread = PR_CreateThread( |
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84 PR_USER_THREAD, IOThread, NULL, PR_PRIORITY_NORMAL, |
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85 scope1, PR_JOINABLE_THREAD, 0); |
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86 if (iothread == NULL) { |
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87 fprintf(stderr, "cannot create thread\n"); |
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88 exit(1); |
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89 } |
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90 PR_Lock(lock); |
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91 while (!iothread_ready) |
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92 PR_WaitCondVar(cvar, PR_INTERVAL_NO_TIMEOUT); |
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93 PR_Unlock(lock); |
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94 abortio = PR_CreateThread( |
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95 PR_USER_THREAD, AbortIO, iothread, PR_PRIORITY_NORMAL, |
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96 scope2, PR_JOINABLE_THREAD, 0); |
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97 if (abortio == NULL) { |
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98 fprintf(stderr, "cannot create thread\n"); |
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99 exit(1); |
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100 } |
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101 if (PR_JoinThread(iothread) == PR_FAILURE) { |
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102 fprintf(stderr, "PR_JoinThread failed\n"); |
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103 exit(1); |
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104 } |
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105 if (PR_JoinThread(abortio) == PR_FAILURE) { |
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106 fprintf(stderr, "PR_JoinThread failed\n"); |
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107 exit(1); |
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108 } |
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109 } |
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110 |
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111 int main(int argc, char **argv) |
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112 { |
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113 PR_STDIO_INIT(); |
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114 lock = PR_NewLock(); |
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115 if (lock == NULL) { |
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116 fprintf(stderr, "PR_NewLock failed\n"); |
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117 exit(1); |
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118 } |
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119 cvar = PR_NewCondVar(lock); |
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120 if (cvar == NULL) { |
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121 fprintf(stderr, "PR_NewCondVar failed\n"); |
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122 exit(1); |
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123 } |
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124 /* test all four combinations */ |
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125 Test(PR_LOCAL_THREAD, PR_LOCAL_THREAD); |
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126 Test(PR_LOCAL_THREAD, PR_GLOBAL_THREAD); |
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127 Test(PR_GLOBAL_THREAD, PR_LOCAL_THREAD); |
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128 Test(PR_GLOBAL_THREAD, PR_GLOBAL_THREAD); |
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129 printf("PASSED\n"); |
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130 return 0; |
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131 } /* main */ |