ahamilton/eris
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Decided to use setpriority to set the niceness.

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Apparently ionice is set automatically when nice is set.
This commit is contained in:
Andrew Hamilton 2016-11-10 00:13:04 +01:00
parent 4b48c0c912
commit d4e375b1fb
2 changed files with 3 additions and 6 deletions
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2
sandbox_fs
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@ -6,4 +6,4 @@ set -e
SCRIPT_PATH=$(realpath $0)
SCRIPT_DIR=$(dirname $SCRIPT_PATH)
unshare --mount --map-root-user "$SCRIPT_DIR/sandbox_fs.py" "$@"
exec unshare --mount --map-root-user "$SCRIPT_DIR/sandbox_fs.py" "$@"

7
worker.py
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@ -10,10 +10,6 @@ import signal
import tools
def nice_command(command):
return ["nice", "-n", "19", "ionice", "-c", "3"] + command
class Worker:
def __init__(self, is_sandboxed, is_already_paused, is_being_tested):
@ -33,12 +29,13 @@ class Worker:
else:
command = [__file__]
create = asyncio.create_subprocess_exec(
*nice_command(command), stdin=asyncio.subprocess.PIPE,
*command, stdin=asyncio.subprocess.PIPE,
stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE,
preexec_fn=os.setsid)
self.process = await create
pid_line = await self.process.stdout.readline()
self.child_pgid = int(pid_line.strip())
os.setpriority(os.PRIO_PGRP, self.child_pgid, 19)
async def run_tool(self, path, tool):
self.process.stdin.write(("%s\n%s\n" %