The Tor Browser: nsprpub/pr/tests/prpollml.c@4ab42b5ab56c

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /*

     7  * This test exercises the code that allocates and frees the syspoll_list

     8  * array of PRThread in the pthreads version.  This test is intended to be

     9  * run under Purify to verify that there is no memory leak.

    10  */

    12 #include "nspr.h"

    14 #include <stdio.h>

    15 #include <stdlib.h>

    16 #include <string.h>

    18 #ifdef SYMBIAN

    19 #define POLL_DESC_COUNT 128

    20 #else

    21 #define POLL_DESC_COUNT 256  /* This should be greater than the

    22                               * STACK_POLL_DESC_COUNT macro in

    23                               * ptio.c to cause syspoll_list to

    24                               * be created. */

    25 #endif

    27 static PRPollDesc pd[POLL_DESC_COUNT];

    29 static void Test(void)

    30 {

    31     int i;

    32     PRInt32 rv;

    33     PRIntervalTime timeout;

    35     timeout = PR_MillisecondsToInterval(10);

    36     /* cause syspoll_list to grow */

    37     for (i = 1; i <= POLL_DESC_COUNT; i++) {

    38         rv = PR_Poll(pd, i, timeout);

    39         if (rv != 0) {

    40             fprintf(stderr,

    41                 "PR_Poll should time out but returns %d (%d, %d)\n",

    42                 (int) rv, (int) PR_GetError(), (int) PR_GetOSError());

    43             exit(1);

    44         }

    45     }

    46     /* syspoll_list should be large enough for all these */

    47     for (i = POLL_DESC_COUNT; i >= 1; i--) {

    48         rv = PR_Poll(pd, i, timeout);

    49         if (rv != 0) {

    50             fprintf(stderr, "PR_Poll should time out but returns %d\n",

    51                              (int) rv);

    52             exit(1);

    53         }

    54     }

    55 }

    57 static void ThreadFunc(void *arg)

    58 {

    59     Test();

    60 }

    62 int main(int argc, char **argv)

    63 {

    64     int i;

    65     PRThread *thread;

    66     PRFileDesc *sock;

    67     PRNetAddr addr;

    69     memset(&addr, 0, sizeof(addr));

    70     addr.inet.family = PR_AF_INET;

    71     addr.inet.port = PR_htons(0);

    72     addr.inet.ip = PR_htonl(PR_INADDR_ANY);

    73     for (i = 0; i < POLL_DESC_COUNT; i++) {

    74         sock = PR_NewTCPSocket();

    75         if (sock == NULL) {

    76             fprintf(stderr, "PR_NewTCPSocket failed (%d, %d)\n",

    77                             (int) PR_GetError(), (int) PR_GetOSError());

    78             fprintf(stderr, "Ensure the per process file descriptor limit "

    79                             "is greater than %d.", POLL_DESC_COUNT);

    80             exit(1);

    81         }

    82         if (PR_Bind(sock, &addr) == PR_FAILURE) {

    83             fprintf(stderr, "PR_Bind failed (%d, %d)\n",

    84                             (int) PR_GetError(), (int) PR_GetOSError());

    85             exit(1);

    86         }

    87         if (PR_Listen(sock, 5) == PR_FAILURE) {

    88             fprintf(stderr, "PR_Listen failed (%d, %d)\n",

    89                             (int) PR_GetError(), (int) PR_GetOSError());

    90             exit(1);

    91         }

    93         pd[i].fd = sock;

    94         pd[i].in_flags = PR_POLL_READ;

    95     }

    97     /* first run the test on the primordial thread */

    98     Test();

   100     /* then run the test on all three kinds of threads */

   101     thread = PR_CreateThread(PR_USER_THREAD, ThreadFunc, NULL,

   102             PR_PRIORITY_NORMAL, PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);

   103     if (NULL == thread) {

   104         fprintf(stderr, "PR_CreateThread failed\n");

   105         exit(1);

   106     }

   107     if (PR_JoinThread(thread) == PR_FAILURE) {

   108         fprintf(stderr, "PR_JoinThread failed\n");

   109         exit(1);

   110     }

   111     thread = PR_CreateThread(PR_USER_THREAD, ThreadFunc, NULL,

   112             PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0);

   113     if (NULL == thread) {

   114         fprintf(stderr, "PR_CreateThread failed\n");

   115         exit(1);

   116     }

   117     if (PR_JoinThread(thread) == PR_FAILURE) {

   118         fprintf(stderr, "PR_JoinThread failed\n");

   119         exit(1);

   120     }

   121     thread = PR_CreateThread(PR_USER_THREAD, ThreadFunc, NULL,

   122             PR_PRIORITY_NORMAL, PR_GLOBAL_BOUND_THREAD, PR_JOINABLE_THREAD, 0);

   123     if (NULL == thread) {

   124         fprintf(stderr, "PR_CreateThread failed\n");

   125         exit(1);

   126     }

   127     if (PR_JoinThread(thread) == PR_FAILURE) {

   128         fprintf(stderr, "PR_JoinThread failed\n");

   129         exit(1);

   130     }

   131     for (i = 0; i < POLL_DESC_COUNT; i++) {

   132         if (PR_Close(pd[i].fd) == PR_FAILURE) {

   133             fprintf(stderr, "PR_Close failed\n");

   134             exit(1);

   135         }

   136     }

   137     PR_Cleanup();

   138     printf("PASS\n");

   139     return 0;

   140 }

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