def detach(self):
if not self.is_attached:
return
self.is_attached = False
if self.running:
info("Detach %s" % self)
ptrace_detach(self.pid)
self.debugger.deleteProcess(process=self)
def detach(self):
if not self.is_attached:
return
self.is_attached = False
if self.running:
info("Detach %s" % self)
ptrace_detach(self.pid)
self.debugger.deleteProcess(process=self)
def detach(self):
if not self.is_attached:
return
self.is_attached = False
if self.running:
if self.was_attached:
info("Detach %s" % self)
ptrace_detach(self.pid)
elif self.is_stopped:
info("Continue process %s execution" % self.pid)
self.cont()
self.debugger.deleteProcess(process=self)
def detach(self):
if not self.is_attached:
return
self.is_attached = False
if self.running:
if self.was_attached:
info("Detach %s" % self)
ptrace_detach(self.pid)
elif self.is_stopped:
info("Continue process %s execution" % self.pid)
self.cont()
self.debugger.deleteProcess(process=self)
def __capturecore(self):
ptrace_detach(self.pid, signal.SIGSTOP) #detach and leave stopped so gcore can attach
#TODO: put process in a queue to be core dumped later
#Relying on kernel to create a core file does not work well in a container
#Use gcore to capture core its a little slower but reliable
dst = os.path.join(self.service.cores_dir, "core")
with open(os.devnull, 'w') as devnull:
try:
subprocess.call(["gcore", "-o", dst, str(self.pid)], stdout=devnull, stderr=devnull)
except:
pass
os.kill(self.pid, signal.SIGKILL)
# Wait to cleanup zombie
os.waitpid(self.pid, 0)
self.service.cores.append("core." + str(self.pid))
def __handle_event(self, pid, status):
if os.WCOREDUMP(status):
logger.warning("Core dump created for %s" % (self.pid))
if os.WIFEXITED(status):
self.service.instances.pop(self.pid, None)
self.log_event(0)
self.__spawn()
elif os.WIFSIGNALED(status):
self.service.instances.pop(self.pid, None)
sig = os.WTERMSIG(status)
self.log_event(sig)
self.__spawn()
elif os.WIFSTOPPED(status):
self.coverage.capture(self.pid)
sig = os.WSTOPSIG(status)
#Don't log breakpoints
if sig == signal.SIGTRAP:
self.exitbp.desinstall(set_ip = True)
ptrace_cont(self.pid, 0)
return
self.log_event(sig)
if sig == signal.SIGPIPE:
ptrace_detach(self.pid)
os.waitpid(self.pid, 0) #Clean up Zombie
self.running = False
elif sig == signal.SIGSEGV:
self.__capturecore()
self.__spawn()
else:
ptrace_cont(self.pid, sig)
def detach(self):
if self.attached:
ptrace_detach(self.pid)
self.attached = False
def _ptrace_detach(self, tracer):
"""This cleans up a single process object without trying to delete it from a
debugger.
"""
ptrace_detach(self.pid) #bug piptrace doesn't detach when detach is called
tracer.read_mem_file.close() #bug piptrace does not close file handles
def detach(self, signum=0):
return ptrace_detach(self.pid, signum)