def watchRunProgram(self, pid):
usingMem = 0
while True:
wpid, status, res = os.wait4(pid, 0)
signal.signal(signal.SIGXCPU, self.sigHandler)
# 정상 종료된 경우
if os.WIFEXITED(status):
return 'Grading', res[0], usingMem
exitCode = os.WEXITSTATUS(status)
# 종료 코드에 따라 return
if exitCode is 24:
return ENUMResources.const.TIME_OVER, res[0], usingMem
elif exitCode is not 5 and exitCode is not 0 and exitCode is not 17:
return ENUMResources.const.RUNTIME_ERROR, 0, 0
elif os.WIFSIGNALED(status):
try:
ptrace.kill(pid)
except Exception as e:
pass
return ENUMResources.const.RUNTIME_ERROR, 0, 0
# 메모리 사용량 측정
else:
usingMem = self.getUsingMemory(pid, usingMem, res[6])
ptrace.syscall(pid, 0)
def watchRunProgram(self, pid):
usingMem = 0
while True:
wpid, status, res = os.wait4(pid,0)
signal.signal(signal.SIGXCPU, self.sigHandler)
# 정상 종료된 경우
if os.WIFEXITED(status):
return 'Grading', res[0], usingMem
exitCode = os.WEXITSTATUS(status)
# 종료 코드에 따라 return
if exitCode is 24:
return ENUMResources.const.TIME_OVER, res[0], usingMem
elif exitCode is not 5 and exitCode is not 0 and exitCode is not 17:
return ENUMResources.const.RUNTIME_ERROR, 0, 0
elif os.WIFSIGNALED(status):
try:
ptrace.kill(pid)
except Exception as e:
pass
return ENUMResources.const.RUNTIME_ERROR, 0, 0
# 메모리 사용량 측정
else:
usingMem = self.getUsingMemory(pid, usingMem, res[6])
ptrace.syscall(pid, 0)
def __traceProgram(self, pid):
while True:
wpid, status, res = os.wait4(pid, 0)
# normal termination
if os.WIFEXITED(status):
return True, res[0]
# abnormal termination
elif os.WIFSIGNALED(status):
try:
ptrace.kill(pid)
except Exception as e:
pass
return RUNTIME_ERROR, res[0]
else:
ptrace.syscall(pid, 0)
def WatchRunProgram(self, pid):
usingMem = 0
while True:
wpid, status, res = os.wait4(pid,0)
if os.WIFEXITED(status):
return True, res[0], usingMem
exitCode = os.WEXITSTATUS(status)
if exitCode != 5 and exitCode != 0 and exitCode != 17:
ptrace.kill(pid)
return ENUMResources.const.RUNTIME_ERROR, 0, 0
elif os.WIFSIGNALED(status):
ptrace.kill(pid)
return ENUMResources.const.TIME_OVER, res[0], usingMem
else:
usingMem = self.GetUsingMemory(pid, usingMem)
ptrace.syscall(pid, 0)
global _skipcallafter
_skipcallafter[pid] = 1
def hard_kill(pid):
# FIX: isn't this a race? don't we need to wait on the child?
try:
poke_args(pid, 6, [0, 0, 0, 0, 0, 0])
except OSError, e:
print "warning: attempt to annul last syscall by zapping args failed" " (pid=%s, error=%s)" % (pid, e)
try:
ptrace.pokeuser(pid, ORIG_EAX, _badcall)
except OSError, e:
print "warning: attempt to annul last syscall" " (pid=%s, error=%s)" % (pid, e)
try:
ptrace.kill(pid)
except OSError, e:
print "warning: attempt to ptrace.kill process failed" " (pid=%s, error=%s)" % (pid, e)
except:
# XXX: should we really catch this? we shouldn't be absorbing
# arbitrary exceptions; this will cause trouble
print "warning: attempt to ptrace.kill process failed strangely" " (pid=%s, error=%s)" % (pid, e)
raise
try:
# SIGKILL isn't delivered until completion of the current syscall; this
# function tries to abort the current syscall before killing the child.
os.kill(pid, signal.SIGKILL)
except OSError, e:
print "warning: attempt to os.kill process failed" " (pid=%s, error=%s)" % (pid, e)
except:
def hard_kill(pid):
# FIX: isn't this a race? don't we need to wait on the child?
try:
poke_args(pid, 6, [0, 0, 0, 0, 0, 0])
except OSError, e:
print "warning: attempt to annul last syscall by zapping args failed" \
" (pid=%s, error=%s)" % (pid, e)
try:
ptrace.pokeuser(pid, ORIG_EAX, _badcall)
except OSError, e:
print "warning: attempt to annul last syscall" \
" (pid=%s, error=%s)" % (pid, e)
try:
ptrace.kill(pid)
except OSError, e:
print "warning: attempt to ptrace.kill process failed" \
" (pid=%s, error=%s)" % (pid, e)
except:
# XXX: should we really catch this? we shouldn't be absorbing
# arbitrary exceptions; this will cause trouble
print "warning: attempt to ptrace.kill process failed strangely" \
" (pid=%s, error=%s)" % (pid, e)
raise
try:
# SIGKILL isn't delivered until completion of the current syscall; this
# function tries to abort the current syscall before killing the child.
os.kill(pid, signal.SIGKILL)
except OSError, e:
