Issue #23524: Replace _PyVerify_fd function with calls to _set_thread_local_invalid_parameter_handler.

This commit is contained in:
Steve Dower 2015-04-12 00:26:27 -04:00
parent fe0a41aae4
commit 8fc8980c96
11 changed files with 150 additions and 69 deletions

View File

@ -121,7 +121,7 @@ PyAPI_FUNC(int) _Py_get_blocking(int fd);
PyAPI_FUNC(int) _Py_set_blocking(int fd, int blocking); PyAPI_FUNC(int) _Py_set_blocking(int fd, int blocking);
#endif /* !MS_WINDOWS */ #endif /* !MS_WINDOWS */
#if defined _MSC_VER && _MSC_VER >= 1400 #if defined _MSC_VER && _MSC_VER >= 1400 && _MSC_VER < 1900
/* A routine to check if a file descriptor is valid on Windows. Returns 0 /* A routine to check if a file descriptor is valid on Windows. Returns 0
* and sets errno to EBADF if it isn't. This is to avoid Assertions * and sets errno to EBADF if it isn't. This is to avoid Assertions
* from various functions in the Windows CRT beginning with * from various functions in the Windows CRT beginning with

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@ -877,4 +877,24 @@ extern pid_t forkpty(int *, char *, struct termios *, struct winsize *);
#define PY_LITTLE_ENDIAN 1 #define PY_LITTLE_ENDIAN 1
#endif #endif
#ifdef Py_BUILD_CORE
/*
* Macros to protect CRT calls against instant termination when passed an
* invalid parameter (issue23524).
*/
#if defined _MSC_VER && _MSC_VER >= 1900
extern _invalid_parameter_handler _Py_silent_invalid_parameter_handler;
#define _Py_BEGIN_SUPPRESS_IPH { _invalid_parameter_handler _Py_old_handler = \
_set_thread_local_invalid_parameter_handler(_Py_silent_invalid_parameter_handler);
#define _Py_END_SUPPRESS_IPH _set_thread_local_invalid_parameter_handler(_Py_old_handler); }
#else
#define _Py_BEGIN_SUPPRESS_IPH
#define _Py_END_SUPPRESS_IPH
#endif /* _MSC_VER >= 1900 */
#endif /* Py_BUILD_CORE */
#endif /* Py_PYPORT_H */ #endif /* Py_PYPORT_H */

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@ -107,9 +107,11 @@ internal_close(fileio *self)
/* fd is accessible and someone else may have closed it */ /* fd is accessible and someone else may have closed it */
if (_PyVerify_fd(fd)) { if (_PyVerify_fd(fd)) {
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
err = close(fd); err = close(fd);
if (err < 0) if (err < 0)
save_errno = errno; save_errno = errno;
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
} else { } else {
save_errno = errno; save_errno = errno;
@ -599,11 +601,14 @@ fileio_readall(fileio *self)
if (!_PyVerify_fd(self->fd)) if (!_PyVerify_fd(self->fd))
return PyErr_SetFromErrno(PyExc_IOError); return PyErr_SetFromErrno(PyExc_IOError);
_Py_BEGIN_SUPPRESS_IPH
#ifdef MS_WINDOWS #ifdef MS_WINDOWS
pos = _lseeki64(self->fd, 0L, SEEK_CUR); pos = _lseeki64(self->fd, 0L, SEEK_CUR);
#else #else
pos = lseek(self->fd, 0L, SEEK_CUR); pos = lseek(self->fd, 0L, SEEK_CUR);
#endif #endif
_Py_END_SUPPRESS_IPH
if (_Py_fstat_noraise(self->fd, &status) == 0) if (_Py_fstat_noraise(self->fd, &status) == 0)
end = status.st_size; end = status.st_size;
else else
@ -792,11 +797,13 @@ portable_lseek(int fd, PyObject *posobj, int whence)
if (_PyVerify_fd(fd)) { if (_PyVerify_fd(fd)) {
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
#ifdef MS_WINDOWS #ifdef MS_WINDOWS
res = _lseeki64(fd, pos, whence); res = _lseeki64(fd, pos, whence);
#else #else
res = lseek(fd, pos, whence); res = lseek(fd, pos, whence);
#endif #endif
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
} else } else
res = -1; res = -1;
@ -951,7 +958,12 @@ fileio_isatty(fileio *self)
if (self->fd < 0) if (self->fd < 0)
return err_closed(); return err_closed();
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
res = isatty(self->fd); _Py_BEGIN_SUPPRESS_IPH
if (_PyVerify_fd(self->fd))
res = isatty(self->fd);
else
res = 0;
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
return PyBool_FromLong(res); return PyBool_FromLong(res);
} }

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@ -1325,11 +1325,13 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
*/ */
if (fileno != -1 && fileno != 0) { if (fileno != -1 && fileno != 0) {
/* Ensure that fileno is within the CRT's valid range */ /* Ensure that fileno is within the CRT's valid range */
if (_PyVerify_fd(fileno) == 0) { if (!_PyVerify_fd(fileno)) {
PyErr_SetFromErrno(PyExc_OSError); PyErr_SetFromErrno(PyExc_OSError);
return NULL; return NULL;
} }
_Py_BEGIN_SUPPRESS_IPH
fh = (HANDLE)_get_osfhandle(fileno); fh = (HANDLE)_get_osfhandle(fileno);
_Py_END_SUPPRESS_IPH
if (fh==(HANDLE)-1) { if (fh==(HANDLE)-1) {
PyErr_SetFromErrno(PyExc_OSError); PyErr_SetFromErrno(PyExc_OSError);
return NULL; return NULL;

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@ -1280,10 +1280,6 @@ fildes_converter(PyObject *o, void *p)
fd = PyObject_AsFileDescriptor(o); fd = PyObject_AsFileDescriptor(o);
if (fd < 0) if (fd < 0)
return 0; return 0;
if (!_PyVerify_fd(fd)) {
posix_error();
return 0;
}
*pointer = fd; *pointer = fd;
return 1; return 1;
} }
@ -1294,9 +1290,14 @@ posix_fildes_fd(int fd, int (*func)(int))
int res; int res;
int async_err = 0; int async_err = 0;
if (!_PyVerify_fd(fd))
return posix_error();
do { do {
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
res = (*func)(fd); res = (*func)(fd);
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
} while (res != 0 && errno == EINTR && !(async_err = PyErr_CheckSignals())); } while (res != 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
if (res != 0) if (res != 0)
@ -4359,6 +4360,7 @@ os_unlink_impl(PyModuleDef *module, path_t *path, int dir_fd)
int result; int result;
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
#ifdef MS_WINDOWS #ifdef MS_WINDOWS
if (path->wide) if (path->wide)
result = Py_DeleteFileW(path->wide); result = Py_DeleteFileW(path->wide);
@ -4373,6 +4375,7 @@ os_unlink_impl(PyModuleDef *module, path_t *path, int dir_fd)
#endif /* HAVE_UNLINKAT */ #endif /* HAVE_UNLINKAT */
result = unlink(path->narrow); result = unlink(path->narrow);
#endif #endif
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
if (result) if (result)
@ -7692,6 +7695,7 @@ os_open_impl(PyModuleDef *module, path_t *path, int flags, int mode, int dir_fd)
flags |= O_CLOEXEC; flags |= O_CLOEXEC;
#endif #endif
_Py_BEGIN_SUPPRESS_IPH
do { do {
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
#ifdef MS_WINDOWS #ifdef MS_WINDOWS
@ -7707,6 +7711,7 @@ os_open_impl(PyModuleDef *module, path_t *path, int flags, int mode, int dir_fd)
fd = open(path->narrow, flags, mode); fd = open(path->narrow, flags, mode);
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
} while (fd < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals())); } while (fd < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
_Py_END_SUPPRESS_IPH
if (fd == -1) { if (fd == -1) {
if (!async_err) if (!async_err)
@ -7745,7 +7750,9 @@ os_close_impl(PyModuleDef *module, int fd)
* for more details. * for more details.
*/ */
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
res = close(fd); res = close(fd);
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
if (res < 0) if (res < 0)
return posix_error(); return posix_error();
@ -7769,9 +7776,11 @@ os_closerange_impl(PyModuleDef *module, int fd_low, int fd_high)
{ {
int i; int i;
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
for (i = fd_low; i < fd_high; i++) for (i = fd_low; i < fd_high; i++)
if (_PyVerify_fd(i)) if (_PyVerify_fd(i))
close(i); close(i);
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
Py_RETURN_NONE; Py_RETURN_NONE;
} }
@ -7823,7 +7832,9 @@ os_dup2_impl(PyModuleDef *module, int fd, int fd2, int inheritable)
*/ */
#ifdef MS_WINDOWS #ifdef MS_WINDOWS
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
res = dup2(fd, fd2); res = dup2(fd, fd2);
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
if (res < 0) if (res < 0)
return posix_error(); return posix_error();
@ -7957,11 +7968,13 @@ os_lseek_impl(PyModuleDef *module, int fd, Py_off_t position, int how)
return -1; return -1;
} }
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
#ifdef MS_WINDOWS #ifdef MS_WINDOWS
result = _lseeki64(fd, position, how); result = _lseeki64(fd, position, how);
#else #else
result = lseek(fd, position, how); result = lseek(fd, position, how);
#endif #endif
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
if (result < 0) if (result < 0)
posix_error(); posix_error();
@ -8168,7 +8181,9 @@ os_pread_impl(PyModuleDef *module, int fd, int length, Py_off_t offset)
do { do {
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
n = pread(fd, PyBytes_AS_STRING(buffer), length, offset); n = pread(fd, PyBytes_AS_STRING(buffer), length, offset);
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
} while (n < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals())); } while (n < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
@ -8276,6 +8291,7 @@ posix_sendfile(PyObject *self, PyObject *args, PyObject *kwdict)
} }
} }
_Py_BEGIN_SUPPRESS_IPH
do { do {
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
#ifdef __APPLE__ #ifdef __APPLE__
@ -8285,6 +8301,7 @@ posix_sendfile(PyObject *self, PyObject *args, PyObject *kwdict)
#endif #endif
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
} while (ret < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals())); } while (ret < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
_Py_END_SUPPRESS_IPH
if (sf.headers != NULL) if (sf.headers != NULL)
iov_cleanup(sf.headers, hbuf, sf.hdr_cnt); iov_cleanup(sf.headers, hbuf, sf.hdr_cnt);
@ -8401,9 +8418,13 @@ static int
os_isatty_impl(PyModuleDef *module, int fd) os_isatty_impl(PyModuleDef *module, int fd)
/*[clinic end generated code: output=acec9d3c29d16d33 input=08ce94aa1eaf7b5e]*/ /*[clinic end generated code: output=acec9d3c29d16d33 input=08ce94aa1eaf7b5e]*/
{ {
int return_value;
if (!_PyVerify_fd(fd)) if (!_PyVerify_fd(fd))
return 0; return 0;
return isatty(fd); _Py_BEGIN_SUPPRESS_IPH
return_value = isatty(fd);
_Py_END_SUPPRESS_IPH
return return_value;
} }
@ -8598,7 +8619,9 @@ os_pwrite_impl(PyModuleDef *module, int fd, Py_buffer *buffer, Py_off_t offset)
do { do {
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
size = pwrite(fd, buffer->buf, (size_t)buffer->len, offset); size = pwrite(fd, buffer->buf, (size_t)buffer->len, offset);
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
} while (size < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals())); } while (size < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
@ -11193,12 +11216,16 @@ static int
os_get_inheritable_impl(PyModuleDef *module, int fd) os_get_inheritable_impl(PyModuleDef *module, int fd)
/*[clinic end generated code: output=36110bb36efaa21e input=89ac008dc9ab6b95]*/ /*[clinic end generated code: output=36110bb36efaa21e input=89ac008dc9ab6b95]*/
{ {
if (!_PyVerify_fd(fd)){ int return_value;
if (!_PyVerify_fd(fd)) {
posix_error(); posix_error();
return -1; return -1;
} }
return _Py_get_inheritable(fd); _Py_BEGIN_SUPPRESS_IPH
return_value = _Py_get_inheritable(fd);
_Py_END_SUPPRESS_IPH
return return_value;
} }
@ -11215,10 +11242,14 @@ static PyObject *
os_set_inheritable_impl(PyModuleDef *module, int fd, int inheritable) os_set_inheritable_impl(PyModuleDef *module, int fd, int inheritable)
/*[clinic end generated code: output=2ac5c6ce8623f045 input=9ceaead87a1e2402]*/ /*[clinic end generated code: output=2ac5c6ce8623f045 input=9ceaead87a1e2402]*/
{ {
int result;
if (!_PyVerify_fd(fd)) if (!_PyVerify_fd(fd))
return posix_error(); return posix_error();
if (_Py_set_inheritable(fd, inheritable, NULL) < 0) _Py_BEGIN_SUPPRESS_IPH
result = _Py_set_inheritable(fd, inheritable, NULL);
_Py_END_SUPPRESS_IPH
if (result < 0)
return NULL; return NULL;
Py_RETURN_NONE; Py_RETURN_NONE;
} }
@ -11289,7 +11320,9 @@ posix_get_blocking(PyObject *self, PyObject *args)
if (!_PyVerify_fd(fd)) if (!_PyVerify_fd(fd))
return posix_error(); return posix_error();
_Py_BEGIN_SUPPRESS_IPH
blocking = _Py_get_blocking(fd); blocking = _Py_get_blocking(fd);
_Py_END_SUPPRESS_IPH
if (blocking < 0) if (blocking < 0)
return NULL; return NULL;
return PyBool_FromLong(blocking); return PyBool_FromLong(blocking);
@ -11305,7 +11338,7 @@ PyDoc_STRVAR(set_blocking__doc__,
static PyObject* static PyObject*
posix_set_blocking(PyObject *self, PyObject *args) posix_set_blocking(PyObject *self, PyObject *args)
{ {
int fd, blocking; int fd, blocking, result;
if (!PyArg_ParseTuple(args, "ii:set_blocking", &fd, &blocking)) if (!PyArg_ParseTuple(args, "ii:set_blocking", &fd, &blocking))
return NULL; return NULL;
@ -11313,7 +11346,10 @@ posix_set_blocking(PyObject *self, PyObject *args)
if (!_PyVerify_fd(fd)) if (!_PyVerify_fd(fd))
return posix_error(); return posix_error();
if (_Py_set_blocking(fd, blocking) < 0) _Py_BEGIN_SUPPRESS_IPH
result = _Py_set_blocking(fd, blocking);
_Py_END_SUPPRESS_IPH
if (result < 0)
return NULL; return NULL;
Py_RETURN_NONE; Py_RETURN_NONE;
} }

View File

@ -15,8 +15,8 @@ static void __cdecl _silent_invalid_parameter_handler(
unsigned int line, unsigned int line,
uintptr_t pReserved) { } uintptr_t pReserved) { }
void *_Py_silent_invalid_parameter_handler = _invalid_parameter_handler _Py_silent_invalid_parameter_handler = _silent_invalid_parameter_handler;
(void*)_silent_invalid_parameter_handler;
#endif #endif
#endif #endif

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@ -149,7 +149,9 @@ msvcrt_get_osfhandle(PyObject *self, PyObject *args)
if (!_PyVerify_fd(fd)) if (!_PyVerify_fd(fd))
return PyErr_SetFromErrno(PyExc_IOError); return PyErr_SetFromErrno(PyExc_IOError);
_Py_BEGIN_SUPPRESS_IPH
handle = _get_osfhandle(fd); handle = _get_osfhandle(fd);
_Py_END_SUPPRESS_IPH
if (handle == -1) if (handle == -1)
return PyErr_SetFromErrno(PyExc_IOError); return PyErr_SetFromErrno(PyExc_IOError);

View File

@ -5,6 +5,7 @@
#ifdef MS_WINDOWS #ifdef MS_WINDOWS
# include <malloc.h> # include <malloc.h>
# include <windows.h> # include <windows.h>
extern int winerror_to_errno(int);
#endif #endif
#ifdef HAVE_LANGINFO_H #ifdef HAVE_LANGINFO_H
@ -41,9 +42,13 @@ _Py_device_encoding(int fd)
#if defined(MS_WINDOWS) #if defined(MS_WINDOWS)
UINT cp; UINT cp;
#endif #endif
if (!_PyVerify_fd(fd) || !isatty(fd)) { int valid;
_Py_BEGIN_SUPPRESS_IPH
valid = _PyVerify_fd(fd) && isatty(fd);
_Py_END_SUPPRESS_IPH
if (!valid)
Py_RETURN_NONE; Py_RETURN_NONE;
}
#if defined(MS_WINDOWS) #if defined(MS_WINDOWS)
if (fd == 0) if (fd == 0)
cp = GetConsoleCP(); cp = GetConsoleCP();
@ -610,16 +615,15 @@ _Py_fstat_noraise(int fd, struct _Py_stat_struct *status)
if (!_PyVerify_fd(fd)) if (!_PyVerify_fd(fd))
h = INVALID_HANDLE_VALUE; h = INVALID_HANDLE_VALUE;
else else {
_Py_BEGIN_SUPPRESS_IPH
h = (HANDLE)_get_osfhandle(fd); h = (HANDLE)_get_osfhandle(fd);
_Py_END_SUPPRESS_IPH
/* Protocol violation: we explicitly clear errno, instead of }
setting it to a POSIX error. Callers should use GetLastError. */
errno = 0;
if (h == INVALID_HANDLE_VALUE) { if (h == INVALID_HANDLE_VALUE) {
/* This is really a C library error (invalid file handle). /* errno is already set by _get_osfhandle, but we also set
We set the Win32 error to the closes one matching. */ the Win32 error for callers who expect that */
SetLastError(ERROR_INVALID_HANDLE); SetLastError(ERROR_INVALID_HANDLE);
return -1; return -1;
} }
@ -628,8 +632,10 @@ _Py_fstat_noraise(int fd, struct _Py_stat_struct *status)
type = GetFileType(h); type = GetFileType(h);
if (type == FILE_TYPE_UNKNOWN) { if (type == FILE_TYPE_UNKNOWN) {
DWORD error = GetLastError(); DWORD error = GetLastError();
if (error != 0) if (error != 0) {
errno = winerror_to_errno(error);
return -1; return -1;
}
/* else: valid but unknown file */ /* else: valid but unknown file */
} }
@ -642,6 +648,9 @@ _Py_fstat_noraise(int fd, struct _Py_stat_struct *status)
} }
if (!GetFileInformationByHandle(h, &info)) { if (!GetFileInformationByHandle(h, &info)) {
/* The Win32 error is already set, but we also set errno for
callers who expect it */
errno = winerror_to_errno(GetLastError());
return -1; return -1;
} }
@ -735,7 +744,9 @@ get_inheritable(int fd, int raise)
return -1; return -1;
} }
_Py_BEGIN_SUPPRESS_IPH
handle = (HANDLE)_get_osfhandle(fd); handle = (HANDLE)_get_osfhandle(fd);
_Py_END_SUPPRESS_IPH
if (handle == INVALID_HANDLE_VALUE) { if (handle == INVALID_HANDLE_VALUE) {
if (raise) if (raise)
PyErr_SetFromErrno(PyExc_OSError); PyErr_SetFromErrno(PyExc_OSError);
@ -810,7 +821,9 @@ set_inheritable(int fd, int inheritable, int raise, int *atomic_flag_works)
return -1; return -1;
} }
_Py_BEGIN_SUPPRESS_IPH
handle = (HANDLE)_get_osfhandle(fd); handle = (HANDLE)_get_osfhandle(fd);
_Py_END_SUPPRESS_IPH
if (handle == INVALID_HANDLE_VALUE) { if (handle == INVALID_HANDLE_VALUE) {
if (raise) if (raise)
PyErr_SetFromErrno(PyExc_OSError); PyErr_SetFromErrno(PyExc_OSError);
@ -1171,6 +1184,7 @@ _Py_read(int fd, void *buf, size_t count)
} }
#endif #endif
_Py_BEGIN_SUPPRESS_IPH
do { do {
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
errno = 0; errno = 0;
@ -1185,6 +1199,7 @@ _Py_read(int fd, void *buf, size_t count)
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
} while (n < 0 && err == EINTR && } while (n < 0 && err == EINTR &&
!(async_err = PyErr_CheckSignals())); !(async_err = PyErr_CheckSignals()));
_Py_END_SUPPRESS_IPH
if (async_err) { if (async_err) {
/* read() was interrupted by a signal (failed with EINTR) /* read() was interrupted by a signal (failed with EINTR)
@ -1219,6 +1234,7 @@ _Py_write_impl(int fd, const void *buf, size_t count, int gil_held)
return -1; return -1;
} }
_Py_BEGIN_SUPPRESS_IPH
#ifdef MS_WINDOWS #ifdef MS_WINDOWS
if (count > 32767 && isatty(fd)) { if (count > 32767 && isatty(fd)) {
/* Issue #11395: the Windows console returns an error (12: not /* Issue #11395: the Windows console returns an error (12: not
@ -1264,6 +1280,7 @@ _Py_write_impl(int fd, const void *buf, size_t count, int gil_held)
err = errno; err = errno;
} while (n < 0 && err == EINTR); } while (n < 0 && err == EINTR);
} }
_Py_END_SUPPRESS_IPH
if (async_err) { if (async_err) {
/* write() was interrupted by a signal (failed with EINTR) /* write() was interrupted by a signal (failed with EINTR)
@ -1451,7 +1468,9 @@ _Py_dup(int fd)
} }
#ifdef MS_WINDOWS #ifdef MS_WINDOWS
_Py_BEGIN_SUPPRESS_IPH
handle = (HANDLE)_get_osfhandle(fd); handle = (HANDLE)_get_osfhandle(fd);
_Py_END_SUPPRESS_IPH
if (handle == INVALID_HANDLE_VALUE) { if (handle == INVALID_HANDLE_VALUE) {
PyErr_SetFromErrno(PyExc_OSError); PyErr_SetFromErrno(PyExc_OSError);
return -1; return -1;
@ -1461,7 +1480,9 @@ _Py_dup(int fd)
ftype = GetFileType(handle); ftype = GetFileType(handle);
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
fd = dup(fd); fd = dup(fd);
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
if (fd < 0) { if (fd < 0) {
PyErr_SetFromErrno(PyExc_OSError); PyErr_SetFromErrno(PyExc_OSError);
@ -1471,13 +1492,17 @@ _Py_dup(int fd)
/* Character files like console cannot be make non-inheritable */ /* Character files like console cannot be make non-inheritable */
if (ftype != FILE_TYPE_CHAR) { if (ftype != FILE_TYPE_CHAR) {
if (_Py_set_inheritable(fd, 0, NULL) < 0) { if (_Py_set_inheritable(fd, 0, NULL) < 0) {
_Py_BEGIN_SUPPRESS_IPH
close(fd); close(fd);
_Py_END_SUPPRESS_IPH
return -1; return -1;
} }
} }
#elif defined(HAVE_FCNTL_H) && defined(F_DUPFD_CLOEXEC) #elif defined(HAVE_FCNTL_H) && defined(F_DUPFD_CLOEXEC)
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
fd = fcntl(fd, F_DUPFD_CLOEXEC, 0); fd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
if (fd < 0) { if (fd < 0) {
PyErr_SetFromErrno(PyExc_OSError); PyErr_SetFromErrno(PyExc_OSError);
@ -1486,7 +1511,9 @@ _Py_dup(int fd)
#else #else
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
fd = dup(fd); fd = dup(fd);
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
if (fd < 0) { if (fd < 0) {
PyErr_SetFromErrno(PyExc_OSError); PyErr_SetFromErrno(PyExc_OSError);
@ -1494,7 +1521,9 @@ _Py_dup(int fd)
} }
if (_Py_set_inheritable(fd, 0, NULL) < 0) { if (_Py_set_inheritable(fd, 0, NULL) < 0) {
_Py_BEGIN_SUPPRESS_IPH
close(fd); close(fd);
_Py_END_SUPPRESS_IPH
return -1; return -1;
} }
#endif #endif
@ -1508,7 +1537,10 @@ _Py_dup(int fd)
int int
_Py_get_blocking(int fd) _Py_get_blocking(int fd)
{ {
int flags = fcntl(fd, F_GETFL, 0); int flags;
_Py_BEGIN_SUPPRESS_IPH
flags = fcntl(fd, F_GETFL, 0);
_Py_END_SUPPRESS_IPH
if (flags < 0) { if (flags < 0) {
PyErr_SetFromErrno(PyExc_OSError); PyErr_SetFromErrno(PyExc_OSError);
return -1; return -1;
@ -1533,16 +1565,20 @@ _Py_set_blocking(int fd, int blocking)
#else #else
int flags, res; int flags, res;
_Py_BEGIN_SUPPRESS_IPH
flags = fcntl(fd, F_GETFL, 0); flags = fcntl(fd, F_GETFL, 0);
if (flags < 0) if (flags >= 0) {
goto error; if (blocking)
flags = flags & (~O_NONBLOCK);
else
flags = flags | O_NONBLOCK;
if (blocking) res = fcntl(fd, F_SETFL, flags);
flags = flags & (~O_NONBLOCK); } else {
else res = -1;
flags = flags | O_NONBLOCK; }
_Py_END_SUPPRESS_IPH
res = fcntl(fd, F_SETFL, flags);
if (res < 0) if (res < 0)
goto error; goto error;
#endif #endif
@ -1554,25 +1590,7 @@ error:
} }
#endif #endif
#ifdef _MSC_VER #if defined _MSC_VER && _MSC_VER >= 1400 && _MSC_VER < 1900
#if _MSC_VER >= 1900
/* This function lets the Windows CRT validate the file handle without
terminating the process if it's invalid. */
int
_PyVerify_fd(int fd)
{
intptr_t osh;
/* Fast check for the only condition we know */
if (fd < 0) {
_set_errno(EBADF);
return 0;
}
osh = _get_osfhandle(fd);
return osh != (intptr_t)-1;
}
#elif _MSC_VER >= 1400
/* Legacy implementation of _PyVerify_fd while transitioning to /* Legacy implementation of _PyVerify_fd while transitioning to
* MSVC 14.0. This should eventually be removed. (issue23524) * MSVC 14.0. This should eventually be removed. (issue23524)
*/ */
@ -1651,5 +1669,4 @@ _PyVerify_fd(int fd)
return 0; return 0;
} }
#endif /* _MSC_VER >= 1900 || _MSC_VER >= 1400 */ #endif /* defined _MSC_VER && _MSC_VER >= 1400 && _MSC_VER < 1900 */
#endif /* defined _MSC_VER */

View File

@ -1068,11 +1068,12 @@ is_valid_fd(int fd)
int dummy_fd; int dummy_fd;
if (fd < 0 || !_PyVerify_fd(fd)) if (fd < 0 || !_PyVerify_fd(fd))
return 0; return 0;
_Py_BEGIN_SUPPRESS_IPH
dummy_fd = dup(fd); dummy_fd = dup(fd);
if (dummy_fd < 0) if (dummy_fd >= 0)
return 0; close(dummy_fd);
close(dummy_fd); _Py_END_SUPPRESS_IPH
return 1; return dummy_fd >= 0;
} }
/* Initialize sys.stdin, stdout, stderr and builtins.open */ /* Initialize sys.stdin, stdout, stderr and builtins.open */

View File

@ -22,12 +22,6 @@ to avoid the expense of doing their own locking).
#endif #endif
#endif #endif
#if defined _MSC_VER && _MSC_VER >= 1900
/* Issue #23524: Temporary fix to disable termination due to invalid parameters */
PyAPI_DATA(void*) _Py_silent_invalid_parameter_handler;
#include <stdlib.h>
#endif
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
@ -228,11 +222,6 @@ new_threadstate(PyInterpreterState *interp, int init)
tstate->next->prev = tstate; tstate->next->prev = tstate;
interp->tstate_head = tstate; interp->tstate_head = tstate;
HEAD_UNLOCK(); HEAD_UNLOCK();
#if defined _MSC_VER && _MSC_VER >= 1900
/* Issue #23524: Temporary fix to disable termination due to invalid parameters */
_set_thread_local_invalid_parameter_handler((_invalid_parameter_handler)_Py_silent_invalid_parameter_handler);
#endif
} }
return tstate; return tstate;

View File

@ -717,6 +717,7 @@ _Py_DumpTracebackThreads(int fd, PyInterpreterState *interp,
/* Dump the traceback of each thread */ /* Dump the traceback of each thread */
tstate = PyInterpreterState_ThreadHead(interp); tstate = PyInterpreterState_ThreadHead(interp);
nthreads = 0; nthreads = 0;
_Py_BEGIN_SUPPRESS_IPH
do do
{ {
if (nthreads != 0) if (nthreads != 0)
@ -730,6 +731,7 @@ _Py_DumpTracebackThreads(int fd, PyInterpreterState *interp,
tstate = PyThreadState_Next(tstate); tstate = PyThreadState_Next(tstate);
nthreads++; nthreads++;
} while (tstate != NULL); } while (tstate != NULL);
_Py_END_SUPPRESS_IPH
return NULL; return NULL;
} }