def forkHelper(cmd, fd, inputHandler, closeToChild):
child = xPopen3(cmd, True, -1, [fd])
if closeToChild:
child.tochild.close()
thread = threading.Thread(target=slurp, args=(child.childerr, ))
thread.start()
try:
try:
while 1:
line = child.fromchild.readline()
if line == "":
break
else:
line = line.rstrip()
log.debug('%s', line)
inputHandler(line, child.tochild)
except IOError, exn:
raise XendError('Error reading from child process for %s: %s' %
(cmd, exn))
finally:
child.fromchild.close()
if not closeToChild:
child.tochild.close()
thread.join()
child.childerr.close()
status = child.wait()
if status >> 8 == 127:
raise XendError("%s failed: popen failed" % string.join(cmd))
elif status != 0:
raise XendError("%s failed" % string.join(cmd))
def forkHelper(cmd, fd, inputHandler, closeToChild):
child = xPopen3(cmd, True, -1, [fd])
if closeToChild:
child.tochild.close()
thread = threading.Thread(target = slurp, args = (child.childerr,))
thread.start()
try:
try:
while 1:
line = child.fromchild.readline()
if line == "":
break
else:
line = line.rstrip()
log.debug('%s', line)
inputHandler(line, child.tochild)
except IOError, exn:
raise XendError('Error reading from child process for %s: %s' %
(cmd, exn))
finally:
child.fromchild.close()
if not closeToChild:
child.tochild.close()
thread.join()
child.childerr.close()
status = child.wait()
if status >> 8 == 127:
raise XendError("%s failed: popen failed" % string.join(cmd))
elif status != 0:
raise XendError("%s failed" % string.join(cmd))
def doexec(args, inputtext=None):
"""Execute a subprocess, then return its return code, stdout and stderr"""
proc = xPopen3(args, True)
if inputtext != None:
proc.tochild.write(inputtext)
stdout = proc.fromchild
stderr = proc.childerr
rc = proc.wait()
return (rc,stdout,stderr)
def doexec(args, inputtext=None):
"""Execute a subprocess, then return its return code, stdout and stderr"""
proc = xPopen3(args, True)
if inputtext != None:
proc.tochild.write(inputtext)
stdout = proc.fromchild
stderr = proc.childerr
rc = proc.wait()
return (rc,stdout,stderr)
def forkHelper(cmd, fd, inputHandler, closeToChild): child = None if type(fd) == type([]): child = xPopen3(cmd, True, -1, fd) else: child = xPopen3(cmd, True, -1, [fd])
