本文整理汇总了Python中errno.EOVERFLOW属性的典型用法代码示例。如果您正苦于以下问题：Python errno.EOVERFLOW属性的具体用法？Python errno.EOVERFLOW怎么用？Python errno.EOVERFLOW使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类errno的用法示例。
在下文中一共展示了errno.EOVERFLOW属性的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: check_negative_errorcode
# 需要导入模块: import errno [as 别名]
# 或者: from errno import EOVERFLOW [as 别名]
def check_negative_errorcode(result, func, *args):
"""Error checker for funtions, which return negative error codes.
If ``result`` is smaller than ``0``, it is interpreted as negative error
code, and an appropriate exception is raised:
- ``-ENOMEM`` raises a :exc:`~exceptions.MemoryError`
- ``-EOVERFLOW`` raises a :exc:`~exceptions.OverflowError`
- all other error codes raise :exc:`~exceptions.EnvironmentError`
If result is greater or equal to ``0``, it is returned unchanged.
"""
if result < 0:
# udev returns the *negative* errno code at this point
errnum = -result
raise exception_from_errno(errnum)
else:
return result 示例2: cpu_times
# 需要导入模块: import errno [as 别名]
# 或者: from errno import EOVERFLOW [as 别名]
def cpu_times(self):
try:
times = cext.proc_cpu_times(self.pid, self._procfs_path)
except OSError as err:
if err.errno == errno.EOVERFLOW and not IS_64_BIT:
# We may get here if we attempt to query a 64bit process
# with a 32bit python.
# Error originates from read() and also tools like "cat"
# fail in the same way (!).
# Since there simply is no way to determine CPU times we
# return 0.0 as a fallback. See:
# https://github.com/giampaolo/psutil/issues/857
times = (0.0, 0.0, 0.0, 0.0)
else:
raise
return _common.pcputimes(*times) 示例3: threads
# 需要导入模块: import errno [as 别名]
# 或者: from errno import EOVERFLOW [as 别名]
def threads(self):
procfs_path = self._procfs_path
ret = []
tids = os.listdir('%s/%d/lwp' % (procfs_path, self.pid))
hit_enoent = False
for tid in tids:
tid = int(tid)
try:
utime, stime = cext.query_process_thread(
self.pid, tid, procfs_path)
except EnvironmentError as err:
if err.errno == errno.EOVERFLOW and not IS_64_BIT:
# We may get here if we attempt to query a 64bit process
# with a 32bit python.
# Error originates from read() and also tools like "cat"
# fail in the same way (!).
# Since there simply is no way to determine CPU times we
# return 0.0 as a fallback. See:
# https://github.com/giampaolo/psutil/issues/857
continue
# ENOENT == thread gone in meantime
if err.errno == errno.ENOENT:
hit_enoent = True
continue
raise
else:
nt = _common.pthread(tid, utime, stime)
ret.append(nt)
if hit_enoent:
# raise NSP if the process disappeared on us
os.stat('%s/%s' % (procfs_path, self.pid))
return ret 示例4: threads
# 需要导入模块: import errno [as 别名]
# 或者: from errno import EOVERFLOW [as 别名]
def threads(self):
procfs_path = self._procfs_path
ret = []
tids = os.listdir('%s/%d/lwp' % (procfs_path, self.pid))
hit_enoent = False
for tid in tids:
tid = int(tid)
try:
utime, stime = cext.query_process_thread(
self.pid, tid, procfs_path)
except EnvironmentError as err:
if err.errno == errno.EOVERFLOW and not IS_64_BIT:
# We may get here if we attempt to query a 64bit process
# with a 32bit python.
# Error originates from read() and also tools like "cat"
# fail in the same way (!).
# Since there simply is no way to determine CPU times we
# return 0.0 as a fallback. See:
# https://github.com/giampaolo/psutil/issues/857
continue
# ENOENT == thread gone in meantime
if err.errno == errno.ENOENT:
hit_enoent = True
continue
raise
else:
nt = _common.pthread(tid, utime, stime)
ret.append(nt)
if hit_enoent:
self._assert_alive()
return ret 示例5: memory_maps
# 需要导入模块: import errno [as 别名]
# 或者: from errno import EOVERFLOW [as 别名]
def memory_maps(self):
def toaddr(start, end):
return '%s-%s' % (hex(start)[2:].strip('L'),
hex(end)[2:].strip('L'))
procfs_path = self._procfs_path
retlist = []
try:
rawlist = cext.proc_memory_maps(self.pid, procfs_path)
except OSError as err:
if err.errno == errno.EOVERFLOW and not IS_64_BIT:
# We may get here if we attempt to query a 64bit process
# with a 32bit python.
# Error originates from read() and also tools like "cat"
# fail in the same way (!).
# Since there simply is no way to determine CPU times we
# return 0.0 as a fallback. See:
# https://github.com/giampaolo/psutil/issues/857
return []
else:
raise
hit_enoent = False
for item in rawlist:
addr, addrsize, perm, name, rss, anon, locked = item
addr = toaddr(addr, addrsize)
if not name.startswith('['):
try:
name = os.readlink(
'%s/%s/path/%s' % (procfs_path, self.pid, name))
except OSError as err:
if err.errno == errno.ENOENT:
# sometimes the link may not be resolved by
# readlink() even if it exists (ls shows it).
# If that's the case we just return the
# unresolved link path.
# This seems an incosistency with /proc similar
# to: http://goo.gl/55XgO
name = '%s/%s/path/%s' % (procfs_path, self.pid, name)
hit_enoent = True
else:
raise
retlist.append((addr, perm, name, rss, anon, locked))
if hit_enoent:
# raise NSP if the process disappeared on us
os.stat('%s/%s' % (procfs_path, self.pid))
return retlist 示例6: memory_maps
# 需要导入模块: import errno [as 别名]
# 或者: from errno import EOVERFLOW [as 别名]
def memory_maps(self):
def toaddr(start, end):
return '%s-%s' % (hex(start)[2:].strip('L'),
hex(end)[2:].strip('L'))
procfs_path = self._procfs_path
retlist = []
try:
rawlist = cext.proc_memory_maps(self.pid, procfs_path)
except OSError as err:
if err.errno == errno.EOVERFLOW and not IS_64_BIT:
# We may get here if we attempt to query a 64bit process
# with a 32bit python.
# Error originates from read() and also tools like "cat"
# fail in the same way (!).
# Since there simply is no way to determine CPU times we
# return 0.0 as a fallback. See:
# https://github.com/giampaolo/psutil/issues/857
return []
else:
raise
hit_enoent = False
for item in rawlist:
addr, addrsize, perm, name, rss, anon, locked = item
addr = toaddr(addr, addrsize)
if not name.startswith('['):
try:
name = os.readlink(
'%s/%s/path/%s' % (procfs_path, self.pid, name))
except OSError as err:
if err.errno == errno.ENOENT:
# sometimes the link may not be resolved by
# readlink() even if it exists (ls shows it).
# If that's the case we just return the
# unresolved link path.
# This seems an incosistency with /proc similar
# to: http://goo.gl/55XgO
name = '%s/%s/path/%s' % (procfs_path, self.pid, name)
hit_enoent = True
else:
raise
retlist.append((addr, perm, name, rss, anon, locked))
if hit_enoent:
self._assert_alive()
return retlist