lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2003-2015 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | /* Test whether pthread_create/pthread_join with user defined stacks |
| 20 | doesn't leak memory. |
| 21 | NOTE: this tests functionality beyond POSIX. In POSIX user defined |
| 22 | stacks cannot be ever freed once used by pthread_create nor they can |
| 23 | be reused for other thread. */ |
| 24 | |
| 25 | #include <limits.h> |
| 26 | #include <mcheck.h> |
| 27 | #include <pthread.h> |
| 28 | #include <stdlib.h> |
| 29 | #include <stdio.h> |
| 30 | #include <string.h> |
| 31 | #include <unistd.h> |
| 32 | |
| 33 | static int seen; |
| 34 | |
| 35 | static void * |
| 36 | tf (void *p) |
| 37 | { |
| 38 | ++seen; |
| 39 | return NULL; |
| 40 | } |
| 41 | |
| 42 | static int |
| 43 | do_test (void) |
| 44 | { |
| 45 | mtrace (); |
| 46 | |
| 47 | void *stack; |
| 48 | int res = posix_memalign (&stack, getpagesize (), 4 * PTHREAD_STACK_MIN); |
| 49 | if (res) |
| 50 | { |
| 51 | printf ("malloc failed %s\n", strerror (res)); |
| 52 | return 1; |
| 53 | } |
| 54 | |
| 55 | pthread_attr_t attr; |
| 56 | pthread_attr_init (&attr); |
| 57 | |
| 58 | int result = 0; |
| 59 | res = pthread_attr_setstack (&attr, stack, 4 * PTHREAD_STACK_MIN); |
| 60 | if (res) |
| 61 | { |
| 62 | printf ("pthread_attr_setstack failed %d\n", res); |
| 63 | result = 1; |
| 64 | } |
| 65 | |
| 66 | for (int i = 0; i < 16; ++i) |
| 67 | { |
| 68 | /* Create the thread. */ |
| 69 | pthread_t th; |
| 70 | res = pthread_create (&th, &attr, tf, NULL); |
| 71 | if (res) |
| 72 | { |
| 73 | printf ("pthread_create failed %d\n", res); |
| 74 | result = 1; |
| 75 | } |
| 76 | else |
| 77 | { |
| 78 | res = pthread_join (th, NULL); |
| 79 | if (res) |
| 80 | { |
| 81 | printf ("pthread_join failed %d\n", res); |
| 82 | result = 1; |
| 83 | } |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | pthread_attr_destroy (&attr); |
| 88 | |
| 89 | if (seen != 16) |
| 90 | { |
| 91 | printf ("seen %d != 16\n", seen); |
| 92 | result = 1; |
| 93 | } |
| 94 | |
| 95 | free (stack); |
| 96 | return result; |
| 97 | } |
| 98 | |
| 99 | #define TEST_FUNCTION do_test () |
| 100 | #include "../test-skeleton.c" |