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3d0320f891
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4 Commits

Author SHA1 Message Date
Xiang Xiao
3d0320f891 libc/sched: Map the nice value more correctly 
from https://pubs.opengroup.org/onlinepubs/007904875/functions/setpriority.html:
1.The nice value shall in the range [-{NZERO},{NZERO} -1]
2.Lower nice value shall cause more favorable scheduling

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I5ad60d92abc3b69fbaa406da68cec2e40ca3fa6d
 2021-06-24 08:50:48 -03:00
Xiang Xiao
001e7c3e76 sched: Don't include nuttx/sched.h inside sched.h 
But let nuttx/sched.h include sched.h instead to
avoid expose nuttx kernel API to userspace.

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2021-05-24 12:11:53 +09:00
Gustavo Henrique Nihei
f2d8f86fb9 libc/unistd: Fix getpriority not handling invalid input value 2021-03-12 11:04:16 +08:00
chao.an
0f06c35640 unistd/priority: Implement [s/g]etpriority(2) syscall 
See the reference here:
https://pubs.opengroup.org/onlinepubs/009695399/functions/getpriority.html

Signed-off-by: chao.an <anchao@xiaomi.com>
 2020-09-19 01:06:51 -07:00