summaryrefslogtreecommitdiff
path: root/yaksh
diff options
context:
space:
mode:
Diffstat (limited to 'yaksh')
-rw-r--r--yaksh/base_evaluator.py5
-rw-r--r--yaksh/bash_stdio_evaluator.py3
-rw-r--r--yaksh/cpp_stdio_evaluator.py3
-rw-r--r--yaksh/hook_evaluator.py7
-rw-r--r--yaksh/java_stdio_evaluator.py3
-rw-r--r--yaksh/stdio_evaluator.py13
6 files changed, 24 insertions, 10 deletions
diff --git a/yaksh/base_evaluator.py b/yaksh/base_evaluator.py
index 071008f..653aef0 100644
--- a/yaksh/base_evaluator.py
+++ b/yaksh/base_evaluator.py
@@ -7,6 +7,7 @@ from os.path import join, isfile
from os.path import isdir, dirname, abspath, join, isfile, exists
import subprocess
import stat
+import signal
# Local imports
@@ -30,11 +31,11 @@ class BaseEvaluator(object):
stdout and stderr.
"""
try:
- proc = subprocess.Popen(cmd_args, *args, **kw)
+ proc = subprocess.Popen(cmd_args,preexec_fn=os.setpgrp, *args, **kw)
stdout, stderr = proc.communicate()
except TimeoutException:
# Runaway code, so kill it.
- proc.kill()
+ os.killpg(os.getpgid(proc.pid), signal.SIGTERM)
# Re-raise exception.
raise
return proc, stdout.decode('utf-8'), stderr.decode('utf-8')
diff --git a/yaksh/bash_stdio_evaluator.py b/yaksh/bash_stdio_evaluator.py
index 334620d..1ce729a 100644
--- a/yaksh/bash_stdio_evaluator.py
+++ b/yaksh/bash_stdio_evaluator.py
@@ -49,7 +49,8 @@ class BashStdIOEvaluator(StdIOEvaluator):
shell=True,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
- stderr=subprocess.PIPE
+ stderr=subprocess.PIPE,
+ preexec_fn=os.setpgrp
)
success, err = self.evaluate_stdio(self.user_answer, proc,
self.expected_input,
diff --git a/yaksh/cpp_stdio_evaluator.py b/yaksh/cpp_stdio_evaluator.py
index b302fa4..d211bb7 100644
--- a/yaksh/cpp_stdio_evaluator.py
+++ b/yaksh/cpp_stdio_evaluator.py
@@ -82,7 +82,8 @@ class CppStdIOEvaluator(StdIOEvaluator):
shell=True,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
- stderr=subprocess.PIPE
+ stderr=subprocess.PIPE,
+ preexec_fn=os.setpgrp
)
success, err = self.evaluate_stdio(self.user_answer, proc,
self.expected_input,
diff --git a/yaksh/hook_evaluator.py b/yaksh/hook_evaluator.py
index 0819ec9..b86640c 100644
--- a/yaksh/hook_evaluator.py
+++ b/yaksh/hook_evaluator.py
@@ -7,7 +7,8 @@ import os
from .file_utils import copy_files, delete_files
from .base_evaluator import BaseEvaluator
from .grader import TimeoutException
-
+import signal
+import psutil
class HookEvaluator(BaseEvaluator):
def __init__(self, metadata, test_case_data):
@@ -65,10 +66,12 @@ class HookEvaluator(BaseEvaluator):
check = hook_scope["check_answer"]
success, err, mark_fraction = check(self.user_answer)
except TimeoutException:
+ processes = psutil.Process(os.getpid()).children(recursive=True)
+ for process in processes:
+ process.kill()
raise
except Exception:
msg = traceback.format_exc(limit=0)
err = "Error in Hook code: {0}".format(msg)
del tb
return success, err, mark_fraction
- \ No newline at end of file
diff --git a/yaksh/java_stdio_evaluator.py b/yaksh/java_stdio_evaluator.py
index 48f265d..4e9238f 100644
--- a/yaksh/java_stdio_evaluator.py
+++ b/yaksh/java_stdio_evaluator.py
@@ -67,7 +67,8 @@ class JavaStdIOEvaluator(StdIOEvaluator):
shell=True,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
- stderr=subprocess.PIPE
+ stderr=subprocess.PIPE,
+ preexec_fn=os.setpgrp
)
success, err = self.evaluate_stdio(self.user_answer, proc,
self.expected_input,
diff --git a/yaksh/stdio_evaluator.py b/yaksh/stdio_evaluator.py
index fa78a68..ec69851 100644
--- a/yaksh/stdio_evaluator.py
+++ b/yaksh/stdio_evaluator.py
@@ -2,6 +2,9 @@ from __future__ import unicode_literals
# Local imports
from .base_evaluator import BaseEvaluator
+from .grader import TimeoutException
+import os
+import signal
class StdIOEvaluator(BaseEvaluator):
@@ -9,9 +12,13 @@ class StdIOEvaluator(BaseEvaluator):
success = False
ip = expected_input.replace(",", " ")
encoded_input = '{0}\n'.format(ip).encode('utf-8')
- user_output_bytes, output_err_bytes = proc.communicate(encoded_input)
- user_output = user_output_bytes.decode('utf-8')
- output_err = output_err_bytes.decode('utf-8')
+ try:
+ user_output_bytes, output_err_bytes = proc.communicate(encoded_input)
+ user_output = user_output_bytes.decode('utf-8')
+ output_err = output_err_bytes.decode('utf-8')
+ except TimeoutException:
+ os.killpg(os.getpgid(proc.pid), signal.SIGTERM)
+ raise
expected_output = expected_output.replace("\r", "")
if not expected_input:
error_msg = "Expected Output is\n{0} ".\