The Tor Browser: nsprpub/pr/tests/sproc

     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  * Test sproc_ch.c

     8  *

     9  * The purpose of this test and the sproc_p.c test is to test the shutdown

    10  * of all the IRIX sprocs in a program when one of them dies due to an error.

    11  *

    12  * There are three sprocs in this test: the parent, the child, and the

    13  * grandchild.  The parent and child sprocs never stop on their own.

    14  * The grandchild sproc gets a segmentation fault and dies.  You should

    15  * You should use "ps" to see if the parent and child sprocs are killed

    16  * after the grandchild dies.

    17  */

    19 #include "prinit.h"

    20 #include <stdio.h>

    22 #if !defined(IRIX)

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

    25 {

    26     printf("This test applies to IRIX only.\n");

    27     return 0;

    28 }

    30 #else  /* IRIX */

    32 #include "prthread.h"

    33 #include <sys/types.h>

    34 #include <unistd.h>

    36 void SegFault(void *unused)

    37 {

    38     int *p = 0;

    40     printf("The grandchild sproc has pid %d.\n", getpid());

    41     printf("The grandchild sproc will get a segmentation fault and die.\n");

    42     printf("The parent and child sprocs should be killed after the "

    43             "grandchild sproc dies.\n");

    44     printf("Use 'ps' to make sure this is so.\n");

    45     fflush(stdout);

    46     /* Force a segmentation fault */

    47     *p = 0;

    48 }

    50 void NeverStops(void *unused)

    51 {

    52     int i = 0;

    54     printf("The child sproc has pid %d.\n", getpid());

    55     printf("The child sproc won't stop on its own.\n");

    56     fflush(stdout);

    58     /* create the grandchild sproc */

    59     PR_CreateThread(PR_USER_THREAD, SegFault, NULL,

    60 	    PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_UNJOINABLE_THREAD, 0);

    62     while (1) {

    63 	i++;

    64     }

    65 }

    67 int main()

    68 {

    69     int i= 0;

    71     PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);

    73     printf("The parent sproc has pid %d.\n", getpid());

    74     printf("The parent sproc won't stop on its own.\n");

    75     fflush(stdout);

    77     /* create the child sproc */

    78     PR_CreateThread(PR_USER_THREAD, NeverStops, NULL,

    79 	    PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_UNJOINABLE_THREAD, 0);

    81     while (1) {

    82 	i++;

    83     }

    84     return 0;

    85 }

    87 #endif  /* IRIX */

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