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[0/2] tools/nolibc: fork: fix on s390 and add test

Message ID 20230415-nolibc-fork-v1-0-9747c73651c5@weissschuh.net
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Series tools/nolibc: fork: fix on s390 and add test | expand

Message

Thomas Weißschuh April 15, 2023, 9:28 p.m. UTC 
The generic fork() implementation in nolibc falls back to the clone()
syscall. On s390 the first two arguments to clone() are swapped compared
to other architectures, breaking the implementation in nolibc.

Add a custom implementation of fork() to s390 that works.

While at it also add a testcase for fork().

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
---
Thomas Weißschuh (2):
      tools/nolibc: s390: provide custom implementation for sys_fork
      tools/nolibc: add testcase for fork()/waitpid()

 tools/include/nolibc/arch-s390.h             |  8 ++++++++
 tools/include/nolibc/sys.h                   |  2 ++
 tools/testing/selftests/nolibc/nolibc-test.c | 20 ++++++++++++++++++++
 3 files changed, 30 insertions(+)
---
base-commit: c1c4f33b6be9b3412d9e0ba01b367f4ffe47c379
change-id: 20230415-nolibc-fork-b7087a345166

Best regards,