projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 84d40d70 | 1 | /* Verify that the clone child stack is properly aligned. |
| 6d7e8eda | 2 | Copyright (C) 2021-2023 Free Software Foundation, Inc. |
| 84d40d70 L |
3 | This file is part of the GNU C Library. |
| 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 | <https://www.gnu.org/licenses/>. */ | |
| 18 | ||
| 19 | #include <sched.h> | |
| 20 | #include <stdbool.h> | |
| 21 | #include <stdint.h> | |
| 22 | #include <stdio.h> | |
| 23 | #include <string.h> | |
| 24 | #include <sys/wait.h> | |
| 25 | #include <unistd.h> | |
| 26 | #include <tst-stack-align.h> | |
| 27 | #include <clone_internal.h> | |
| 28 | #include <support/xunistd.h> | |
| 29 | #include <support/check.h> | |
| 30 | ||
| 31 | static int | |
| 32 | f (void *arg) | |
| 33 | { | |
| 34 | puts ("in f"); | |
| 35 | ||
| 36 | return TEST_STACK_ALIGN () ? 1 : 0; | |
| 37 | } | |
| 38 | ||
| 39 | static int | |
| 40 | do_test (void) | |
| 41 | { | |
| 42 | puts ("in main"); | |
| 43 | ||
| 44 | if (TEST_STACK_ALIGN ()) | |
| 45 | FAIL_EXIT1 ("stack alignment failed"); | |
| 46 | ||
| 47 | #ifdef __ia64__ | |
| 48 | # define STACK_SIZE 256 * 1024 | |
| 49 | #else | |
| 50 | # define STACK_SIZE 128 * 1024 | |
| 51 | #endif | |
| 52 | char st[STACK_SIZE] __attribute__ ((aligned)); | |
| 53 | struct clone_args clone_args = | |
| 54 | { | |
| 55 | .stack = (uintptr_t) st, | |
| 56 | .stack_size = sizeof (st), | |
| 57 | }; | |
| 58 | pid_t p = __clone_internal (&clone_args, f, 0); | |
| 59 | TEST_VERIFY (p != -1); | |
| 60 | ||
| 61 | int e; | |
| 62 | xwaitpid (p, &e, __WCLONE); | |
| 63 | TEST_VERIFY (WIFEXITED (e)); | |
| 64 | TEST_COMPARE (WEXITSTATUS (e), 0); | |
| 65 | return 0; | |
| 66 | } | |
| 67 | ||
| 68 | #include <support/test-driver.c> |