Re: git: c7dd4601aeeb - main - libc: Add a rudimentary test for quick_exit(3).

Jess

> On 26 Sep 2023, at 21:26, Dag-Erling Smørgrav <des@FreeBSD.org> wrote:
> 
> The branch main has been updated by des:
> 
> URL: https://cgit.FreeBSD.org/src/commit/?id=c7dd4601aeebbc1bbe131cbe6747476c124b47fe
> 
> commit c7dd4601aeebbc1bbe131cbe6747476c124b47fe
> Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
> AuthorDate: 2023-09-26 20:07:03 +0000
> Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
> CommitDate: 2023-09-26 20:07:10 +0000
> 
>    libc: Add a rudimentary test for quick_exit(3).
> 
>    Sponsored by:   Klara, Inc.
>    Reviewed by:    kib
>    Differential Revision:  https://reviews.freebsd.org/D41937
> ---
> lib/libc/tests/stdlib/Makefile          |  1 +
> lib/libc/tests/stdlib/quick_exit_test.c | 81 +++++++++++++++++++++++++++++++++
> 2 files changed, 82 insertions(+)
> 
> diff --git a/lib/libc/tests/stdlib/Makefile b/lib/libc/tests/stdlib/Makefile
> index a2a6420aba41..860e530389df 100644
> --- a/lib/libc/tests/stdlib/Makefile
> +++ b/lib/libc/tests/stdlib/Makefile
> @@ -12,6 +12,7 @@ ATF_TESTS_C+= qsort_b_test
> ATF_TESTS_C+= qsort_r_compat_test
> ATF_TESTS_C+= qsort_r_test
> ATF_TESTS_C+= qsort_s_test
> +ATF_TESTS_C+= quick_exit_test
> ATF_TESTS_C+= set_constraint_handler_s_test
> ATF_TESTS_C+= strfmon_test
> ATF_TESTS_C+= tsearch_test
> diff --git a/lib/libc/tests/stdlib/quick_exit_test.c b/lib/libc/tests/stdlib/quick_exit_test.c
> new file mode 100644
> index 000000000000..9feed8a6fa63
> --- /dev/null
> +++ b/lib/libc/tests/stdlib/quick_exit_test.c
> @@ -0,0 +1,81 @@
> +/*-
> + * Copyright (c) 2023 Klara, Inc.
> + *
> + * SPDX-License-Identifier: BSD-2-Clause
> + */
> +
> +#include <sys/wait.h>
> +
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <unistd.h>
> +
> +#include <atf-c.h>
> +
> +static void func_a(void)
> +{
> + if (write(STDOUT_FILENO, "a", 1) != 1)
> + _Exit(1);
> +}
> +
> +static void func_b(void)
> +{
> + if (write(STDOUT_FILENO, "b", 1) != 1)
> + _Exit(1);
> +}
> +
> +static void func_c(void)
> +{
> + if (write(STDOUT_FILENO, "c", 1) != 1)
> + _Exit(1);
> +}
> +
> +static void child(void)
> +{
> + // this will be received by the parent

style(9) is to only do C-style /* */ comments.

Jess