def _spawn_nailgun_server(self, workunit):
self.context.log.debug("No ng server found, spawning...")
with _safe_open(self._ng_out, "w"):
pass # truncate
pid = os.fork()
if pid != 0:
# In the parent tine - block on ng being up for connections
return self._await_nailgun_server(workunit)
# NOTE: Don't use self.context.log or self.context.new_workunit here.
# They use threadlocal state, which interacts poorly with fork().
os.setsid()
in_fd = open("/dev/null", "w")
out_fd = safe_open(self._ng_out, "w")
err_fd = safe_open(self._ng_err, "w")
args = ["java"]
if self._ng_server_args:
args.extend(self._ng_server_args)
args.append(NailgunTask.PANTS_NG_ARG)
args.append(self._identifier_arg)
ng_classpath = os.pathsep.join(binary_util.profile_classpath(self._nailgun_profile))
args.extend(["-cp", ng_classpath, "com.martiansoftware.nailgun.NGServer", ":0"])
s = " ".join(args)
with binary_util.safe_classpath():
subprocess.Popen(args, stdin=in_fd, stdout=out_fd, stderr=err_fd, close_fds=True, cwd=get_buildroot())
# Prevents finally blocks being executed, unlike sys.exit(). We don't want to execute finally
# blocks because we might, e.g., clean up tempfiles that the parent still needs.
os._exit(0)
def _spawn_nailgun_server(self, workunit):
log.info('No ng server found, spawning...')
with _safe_open(self._ng_out, 'w'):
pass # truncate
if os.path.exists(self._pidfile):
os.remove(
self._pidfile) # So we know when the child has written it.
pid = os.fork()
if pid != 0:
# In the parent tine - block on ng being up for connections
return self._await_nailgun_server(workunit)
os.setsid()
in_fd = open('/dev/null', 'w')
out_fd = safe_open(self._ng_out, 'w')
err_fd = safe_open(self._ng_err, 'w')
args = ['java']
if self._ng_server_args:
args.extend(self._ng_server_args)
args.append(NailgunTask.PANTS_NG_ARG)
args.append(NailgunTask.create_pidfile_arg(self._pidfile))
ng_classpath = os.pathsep.join(
binary_util.profile_classpath(
self._nailgun_profile,
workunit_factory=self.context.new_workunit))
args.extend([
'-cp', ng_classpath, 'com.martiansoftware.nailgun.NGServer', ':0'
])
log.debug('Executing: %s' % ' '.join(args))
with binary_util.safe_classpath(logger=log.warn):
process = subprocess.Popen(args,
stdin=in_fd,
stdout=out_fd,
stderr=err_fd,
close_fds=True,
cwd=get_buildroot())
with _safe_open(self._pidfile, 'w') as pidfile:
pidfile.write('%d' % process.pid)
log.debug('Spawned ng server @ %d' % process.pid)
# Prevents finally blocks being executed, unlike sys.exit(). We don't want to execute finally
# blocks because we might, e.g., clean up tempfiles that the parent still needs.
os._exit(0)
def _spawn_nailgun_server(self, workunit):
log.info('No ng server found, spawning...')
with _safe_open(self._ng_out, 'w'):
pass # truncate
if os.path.exists(self._pidfile):
os.remove(self._pidfile) # So we know when the child has written it.
pid = os.fork()
if pid != 0:
# In the parent tine - block on ng being up for connections
return self._await_nailgun_server(workunit)
os.setsid()
in_fd = open('/dev/null', 'w')
out_fd = safe_open(self._ng_out, 'w')
err_fd = safe_open(self._ng_err, 'w')
args = ['java']
if self._ng_server_args:
args.extend(self._ng_server_args)
args.append(NailgunTask.PANTS_NG_ARG)
args.append(NailgunTask.create_pidfile_arg(self._pidfile))
ng_classpath = os.pathsep.join(binary_util.profile_classpath(self._nailgun_profile,
workunit_factory=self.context.new_workunit))
args.extend(['-cp', ng_classpath, 'com.martiansoftware.nailgun.NGServer', ':0'])
log.debug('Executing: %s' % ' '.join(args))
with binary_util.safe_classpath(logger=log.warn):
process = subprocess.Popen(
args,
stdin=in_fd,
stdout=out_fd,
stderr=err_fd,
close_fds=True,
cwd=get_buildroot()
)
with _safe_open(self._pidfile, 'w') as pidfile:
pidfile.write('%d' % process.pid)
log.debug('Spawned ng server @ %d' % process.pid)
# Prevents finally blocks being executed, unlike sys.exit(). We don't want to execute finally
# blocks because we might, e.g., clean up tempfiles that the parent still needs.
os._exit(0)
def _spawn_nailgun_server(self, workunit):
self.context.log.debug('No ng server found, spawning...')
with _safe_open(self._ng_out, 'w'):
pass # truncate
ng_classpath = os.pathsep.join(
self._bootstrap_utils.get_jvm_build_tools_classpath(self._nailgun_bootstrap_key))
pid = os.fork()
if pid != 0:
# In the parent tine - block on ng being up for connections
return self._await_nailgun_server(workunit)
# NOTE: Don't use self.context.log or self.context.new_workunit here.
# They use threadlocal state, which interacts poorly with fork().
os.setsid()
in_fd = open('/dev/null', 'w')
out_fd = safe_open(self._ng_out, 'w')
err_fd = safe_open(self._ng_err, 'w')
args = ['java']
if self._ng_server_args:
args.extend(self._ng_server_args)
args.append(NailgunTask.PANTS_NG_ARG)
args.append(self._identifier_arg)
args.extend(['-cp', ng_classpath, 'com.martiansoftware.nailgun.NGServer', ':0'])
s = ' '.join(args)
with binary_util.safe_classpath():
subprocess.Popen(
args,
stdin=in_fd,
stdout=out_fd,
stderr=err_fd,
close_fds=True,
cwd=get_buildroot()
)
# Prevents finally blocks being executed, unlike sys.exit(). We don't want to execute finally
# blocks because we might, e.g., clean up tempfiles that the parent still needs.
os._exit(0)
