guoshichao 79af1cdfe6 libs/libc/getpgid: add getpgid implementation
1. the getpgid function can help to pass the
ltp/open_posix_testsuite/killpg related testcases
2. NuttX do not support process group, so we use the process id as
process group id
3. the implementation are referred to: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpgid.html

Signed-off-by: guoshichao <guoshichao@xiaomi.com>
2023-07-13 19:37:35 +08:00
..
2022-07-08 02:15:54 +08:00
2022-07-08 02:15:54 +08:00
2022-08-09 23:30:01 +08:00
2023-02-24 12:15:40 +08:00
2023-05-08 09:57:01 +02:00