[LTP] OpenPOSIX: Add common entry point function for all tests

[linuxtestproject.agent@gmail.com]

Hi Martin,

On Thu, 16 Apr 2026, Martin Doucha wrote:
> OpenPOSIX: Add common entry point function for all tests
>
> Add a new shared source file implementing the main() function and rename
> the existing main() functions in test case sources to test_main(). This
> allows adding custom debug code to all test cases at once.

[...]

> diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_create/assertions.xml b/...
> -  NOTE: that the thread in which main() was originally invoked is different
> +  NOTE: that the thread in which test_main() was originally invoked is different

This changes verbatim POSIX specification text. The assertions.xml files
quote the POSIX standard, which defines behaviour relative to main() — the C
entry point, not an LTP-internal function name. Revert these hunks in both
pthread_create/assertions.xml and pthread_exit/assertions.xml.

> diff --git a/.../aio_write/9-2.c b/.../aio_write/9-2.c
> +int test_main(int argc, char** argv)

s/char** argv/char **argv/ to match the style used everywhere else.

---
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