def ptrace(command, pid=0, arg1=0, arg2=0, check_errno=False):
if HAS_CPTRACE:
try:
result = _ptrace(command, pid, arg1, arg2)
except ValueError, errobj:
message = str(errobj)
errno = get_errno()
raise PtraceError(message, errno=errno, pid=pid)
def ptrace(command, pid=0, arg1=0, arg2=0, check_errno=False):
if HAS_CPTRACE:
try:
result = _ptrace(command, pid, arg1, arg2, check_errno)
except ValueError as errobj:
message = str(errobj)
errno = get_errno()
raise PtraceError(message, errno=errno, pid=pid)
else:
result = _ptrace(command, pid, arg1, arg2)
result_signed = c_long(result).value
if result_signed == -1:
errno = get_errno()
# peek operations may returns -1 with errno=0:
# it's not an error. For other operations, -1
# is always an error
if not (check_errno) or errno:
message = "ptrace(cmd=%s, pid=%s, %r, %r) error #%s: %s" % (
command, pid, arg1, arg2, errno, strerror(errno))
raise PtraceError(message, errno=errno, pid=pid)
return result
def ptrace(command, pid=0, arg1=0, arg2=0, check_errno=False):
if HAS_CPTRACE:
try:
result = _ptrace(command, pid, arg1, arg2)
except ValueError as errobj:
message = str(errobj)
errno = get_errno()
raise PtraceError(message, errno=errno, pid=pid)
else:
result = _ptrace(command, pid, arg1, arg2)
result_signed = c_long(result).value
if result_signed == -1:
errno = get_errno()
# peek operations may returns -1 with errno=0:
# it's not an error. For other operations, -1
# is always an error
if not(check_errno) or errno:
message = "ptrace(cmd=%s, pid=%s, %r, %r) error #%s: %s" % (
command, pid, arg1, arg2,
errno, strerror(errno))
raise PtraceError(message, errno=errno, pid=pid)
return result
# Load ptrace() function from the system C library
_ptrace = libc.ptrace
_ptrace.argtypes = (c_ulong, c_ulong, c_ulong, c_ulong)
_ptrace.restype = c_ulong
def ptrace(command, pid=0, arg1=0, arg2=0, check_errno=False):
if HAS_CPTRACE:
try:
result = _ptrace(command, pid, arg1, arg2)
except ValueError, errobj:
message = str(errobj)
errno = get_errno()
raise PtraceError(message, errno=errno, pid=pid)
else:
result = _ptrace(command, pid, arg1, arg2)
result_signed = c_long(result).value
if result_signed == -1:
errno = get_errno()
# peek operations may returns -1 with errno=0:
# it's not an error. For other operations, -1
# is always an error
if not (check_errno) or errno:
message = "ptrace(cmd=%s, pid=%s, %r, %r) error #%s: %s" % (
command,
pid,
arg1,
arg2,
errno,
strerror(errno),
)
