guoshichao 037a6f5836 libs/libc/signal: add killpg function
1. the killpg function can make all the
ltp/open_posix_testsuite/killpg testcaes passed
2. Nuttx do not support process group, so we use kill process instead
3. the implementation are referred to:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/killpg.html

Signed-off-by: guoshichao <guoshichao@xiaomi.com>
2023-06-27 13:26:20 +08:00
..
2023-05-17 10:24:42 +08:00
2022-08-02 21:04:19 +08:00
2023-05-04 19:38:57 +08:00
2022-01-29 01:04:23 +08:00
2023-06-12 08:39:38 +02:00
2022-02-20 21:58:10 +08:00
2021-11-23 20:34:56 +09:00
2021-11-23 20:34:56 +09:00
2021-11-23 20:34:56 +09:00
2022-10-28 02:19:26 +08:00
2023-05-04 02:07:01 +08:00
2021-08-02 08:23:35 -03:00
2021-09-25 07:54:39 -03:00
2021-07-31 15:35:47 -03:00
2023-05-04 02:07:01 +08:00
2022-12-10 02:36:24 +08:00
2023-05-19 02:40:38 +08:00
2022-03-17 09:37:15 +02:00
2023-05-04 02:07:01 +08:00
2023-06-27 13:26:20 +08:00
2023-05-05 18:36:36 +08:00