From 7807c3545d9a6176ac0908a269481cf0eb3a60e6 Mon Sep 17 00:00:00 2001 From: Ross Lagerwall Date: Thu, 17 Mar 2011 20:20:30 +0200 Subject: [PATCH] Issue #10812: Add some extra posix functions to the os module. --- Doc/library/os.rst | 238 ++++++++++ Lib/test/test_posix.py | 152 ++++++- Misc/NEWS | 1 + Modules/posixmodule.c | 964 ++++++++++++++++++++++++++++++++++------- configure | 17 +- configure.in | 14 +- pyconfig.h.in | 39 ++ 7 files changed, 1258 insertions(+), 167 deletions(-) diff --git a/Doc/library/os.rst b/Doc/library/os.rst index 2950f7f83bd..eca51dcb8a6 100644 --- a/Doc/library/os.rst +++ b/Doc/library/os.rst @@ -743,6 +743,17 @@ as internal buffering of data. .. versionadded:: 3.3 +.. function:: fexecve(fd, args, env) + + Execute the program specified by a file descriptor *fd* with arguments given + by *args* and environment given by *env*, replacing the current process. + *args* and *env* are given as in :func:`execve`. + + Availability: Unix. + + .. versionadded:: 3.3 + + .. function:: fpathconf(fd, name) Return system configuration information relevant to an open file. *name* @@ -819,6 +830,45 @@ as internal buffering of data. .. versionadded:: 3.3 +.. function:: futimens(fd, (atime_sec, atime_nsec), (mtime_sec, mtime_nsec)) + futimens(fd, None, None) + + Updates the timestamps of a file specified by the file descriptor *fd*, with + nanosecond precision. + The second form sets *atime* and *mtime* to the current time. + If *atime_nsec* or *mtime_nsec* is specified as :data:`UTIME_NOW`, the corresponding + timestamp is updated to the current time. + If *atime_nsec* or *mtime_nsec* is specified as :data:`UTIME_OMIT`, the corresponding + timestamp is not updated. + + Availability: Unix. + + .. versionadded:: 3.3 + + +.. data:: UTIME_NOW + UTIME_OMIT + + Flags used with :func:`futimens` to specify that the timestamp must be + updated either to the current time or not updated at all. + + Availability: Unix. + + .. versionadded:: 3.3 + + +.. function:: futimes(fd, (atime, mtime)) + futimes(fd, None) + + Set the access and modified time of the file specified by the file + descriptor *fd* to the given values. If the second form is used, set the + access and modified times to the current time. + + Availability: Unix. + + .. versionadded:: 3.3 + + .. function:: isatty(fd) Return ``True`` if the file descriptor *fd* is open and connected to a @@ -841,6 +891,30 @@ as internal buffering of data. .. versionadded:: 3.3 +.. function:: lockf(fd, cmd, len) + + Apply, test or remove a POSIX lock on an open file descriptor. + *fd* is an open file descriptor. + *cmd* specifies the command to use - one of :data:`F_LOCK`, :data:`F_TLOCK`, + :data:`F_ULOCK` or :data:`F_TEST`. + *len* specifies the section of the file to lock. + + Availability: Unix. + + .. versionadded:: 3.3 + + +.. data:: F_LOCK + F_TLOCK + F_ULOCK + F_TEST + + Flags that specify what action :func:`lockf` will take. + + Availability: Unix. + + .. versionadded:: 3.3 + .. function:: lseek(fd, pos, how) Set the current position of file descriptor *fd* to position *pos*, modified @@ -945,6 +1019,66 @@ as internal buffering of data. Availability: Unix, Windows. +.. function:: posix_fallocate(fd, offset, len) + + Ensures that enough disk space is allocated for the file specified by *fd* + starting from *offset* and continuing for *len* bytes. + + Availability: Unix. + + .. versionadded:: 3.3 + + +.. function:: posix_fadvise(fd, offset, len, advice) + + Announces an intention to access data in a specific pattern thus allowing + the kernel to make optimizations. + The advice applies to the region of the file specified by *fd* starting at + *offset* and continuing for *len* bytes. + *advice* is one of :data:`POSIX_FADV_NORMAL`, :data:`POSIX_FADV_SEQUENTIAL`, + :data:`POSIX_FADV_RANDOM`, :data:`POSIX_FADV_NOREUSE`, + :data:`POSIX_FADV_WILLNEED` or :data:`POSIX_FADV_DONTNEED`. + + Availability: Unix. + + .. versionadded:: 3.3 + + +.. data:: POSIX_FADV_NORMAL + POSIX_FADV_SEQUENTIAL + POSIX_FADV_RANDOM + POSIX_FADV_NOREUSE + POSIX_FADV_WILLNEED + POSIX_FADV_DONTNEED + + Flags that can be used in *advice* in :func:`posix_fadvise` that specify + the access pattern that is likely to be used. + + Availability: Unix. + + .. versionadded:: 3.3 + + +.. function:: pread(fd, buffersize, offset) + + Read from a file descriptor, *fd*, at a position of *offset*. It will read up + to *buffersize* number of bytes. The file offset remains unchanged. + + Availability: Unix. + + .. versionadded:: 3.3 + + +.. function:: pwrite(fd, string, offset) + + Write *string* to a file descriptor, *fd*, from *offset*, leaving the file + offset unchanged. + + Availability: Unix. + + .. versionadded:: 3.3 + + .. function:: read(fd, n) Read at most *n* bytes from file descriptor *fd*. Return a bytestring containing the @@ -1038,6 +1172,17 @@ as internal buffering of data. .. versionadded:: 3.3 +.. function:: readv(fd, buffers) + + Read from a file descriptor into a number of writable buffers. *buffers* is + an arbitrary sequence of writable buffers. Returns the total number of bytes + read. + + Availability: Unix. + + .. versionadded:: 3.3 + + .. function:: tcgetpgrp(fd) Return the process group associated with the terminal given by *fd* (an open @@ -1111,6 +1256,17 @@ as internal buffering of data. :meth:`~file.write` method. +.. function:: writev(fd, buffers) + + Write the the contents of *buffers* to file descriptor *fd*, where *buffers* + is an arbitrary sequence of buffers. + Returns the total number of bytes written. + + Availability: Unix. + + .. versionadded:: 3.3 + + .. _open-constants: ``open()`` flag constants @@ -1384,6 +1540,17 @@ Files and Directories Added support for Windows 6.0 (Vista) symbolic links. +.. function:: lutimes(path, (atime, mtime)) + lutimes(path, None) + + Like :func:`utime`, but if *path* is a symbolic link, it is not + dereferenced. + + Availability: Unix. + + .. versionadded:: 3.3 + + .. function:: mkfifo(path[, mode]) Create a FIFO (a named pipe) named *path* with numeric mode *mode*. The @@ -1727,6 +1894,25 @@ Files and Directories Added support for Windows 6.0 (Vista) symbolic links. +.. function:: sync() + + Force write of everything to disk. + + Availability: Unix. + + .. versionadded:: 3.3 + + +.. function:: truncate(path, length) + + Truncate the file corresponding to *path*, so that it is at most + *length* bytes in size. + + Availability: Unix. + + .. versionadded:: 3.3 + + .. function:: unlink(path) Remove (delete) the file *path*. This is the same function as @@ -2306,6 +2492,58 @@ written in Python, such as a mail server's external command delivery program. Availability: Unix. +.. function:: waitid(idtype, id, options) + + Wait for the completion of one or more child processes. + *idtype* can be :data:`P_PID`, :data:`P_PGID` or :data:`P_ALL`. + *id* specifies the pid to wait on. + *options* is constructed from the ORing of one or more of :data:`WEXITED`, + :data:`WSTOPPED` or :data:`WCONTINUED` and additionally may be ORed with + :data:`WNOHANG` or :data:`WNOWAIT`. The return value is an object + representing the data contained in the :c:type:`siginfo_t` structure, namely: + :attr:`si_pid`, :attr:`si_uid`, :attr:`si_signo`, :attr:`si_status`, + :attr:`si_code` or ``None`` if :data:`WNOHANG` is specified and there are no + children in a waitable state. + + Availability: Unix. + + .. versionadded:: 3.3 + +.. data:: P_PID + P_PGID + P_ALL + + These are the possible values for *idtype* in :func:`waitid`. They affect + how *id* is interpreted. + + Availability: Unix. + + .. versionadded:: 3.3 + +.. data:: WEXITED + WSTOPPED + WNOWAIT + + Flags that can be used in *options* in :func:`waitid` that specify what + child signal to wait for. + + Availability: Unix. + + .. versionadded:: 3.3 + + +.. data:: CLD_EXITED + CLD_DUMPED + CLD_TRAPPED + CLD_CONTINUED + + These are the possible values for :attr:`si_code` in the result returned by + :func:`waitid`. + + Availability: Unix. + + .. versionadded:: 3.3 + .. function:: waitpid(pid, options) diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py index 23c2100d7a3..72bc1de1c4c 100644 --- a/Lib/test/test_posix.py +++ b/Lib/test/test_posix.py @@ -37,7 +37,7 @@ class PosixTester(unittest.TestCase): NO_ARG_FUNCTIONS = [ "ctermid", "getcwd", "getcwdb", "uname", "times", "getloadavg", "getegid", "geteuid", "getgid", "getgroups", - "getpid", "getpgrp", "getppid", "getuid", + "getpid", "getpgrp", "getppid", "getuid", "sync", ] for name in NO_ARG_FUNCTIONS: @@ -132,6 +132,156 @@ class PosixTester(unittest.TestCase): finally: fp.close() + @unittest.skipUnless(hasattr(posix, 'truncate'), "test needs posix.truncate()") + def test_truncate(self): + with open(support.TESTFN, 'w') as fp: + fp.write('test') + fp.flush() + posix.truncate(support.TESTFN, 0) + + @unittest.skipUnless(hasattr(posix, 'fexecve'), "test needs posix.fexecve()") + @unittest.skipUnless(hasattr(os, 'fork'), "test needs os.fork()") + @unittest.skipUnless(hasattr(os, 'wait'), "test needs os.wait()") + def test_fexecve(self): + fp = os.open(sys.executable, os.O_RDONLY) + try: + pid = os.fork() + if pid == 0: + os.chdir(os.path.split(sys.executable)[0]) + posix.fexecve(fp, [sys.executable, '-c', 'pass'], os.environ) + else: + self.assertEqual(os.wait(), (pid, 0)) + finally: + os.close(fp) + + @unittest.skipUnless(hasattr(posix, 'waitid'), "test needs posix.waitid()") + @unittest.skipUnless(hasattr(os, 'fork'), "test needs os.fork()") + def test_waitid(self): + pid = os.fork() + if pid == 0: + os.chdir(os.path.split(sys.executable)[0]) + posix.execve(sys.executable, [sys.executable, '-c', 'pass'], os.environ) + else: + res = posix.waitid(posix.P_PID, pid, posix.WEXITED) + self.assertEqual(pid, res.si_pid) + + @unittest.skipUnless(hasattr(posix, 'lockf'), "test needs posix.lockf()") + def test_lockf(self): + fd = os.open(support.TESTFN, os.O_WRONLY | os.O_CREAT) + try: + os.write(fd, b'test') + os.lseek(fd, 0, os.SEEK_SET) + posix.lockf(fd, posix.F_LOCK, 4) + # section is locked + posix.lockf(fd, posix.F_ULOCK, 4) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'pread'), "test needs posix.pread()") + def test_pread(self): + fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) + try: + os.write(fd, b'test') + os.lseek(fd, 0, os.SEEK_SET) + self.assertEqual(b'es', posix.pread(fd, 2, 1)) + # the first pread() shoudn't disturb the file offset + self.assertEqual(b'te', posix.read(fd, 2)) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'pwrite'), "test needs posix.pwrite()") + def test_pwrite(self): + fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) + try: + os.write(fd, b'test') + os.lseek(fd, 0, os.SEEK_SET) + posix.pwrite(fd, b'xx', 1) + self.assertEqual(b'txxt', posix.read(fd, 4)) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'posix_fallocate'), + "test needs posix.posix_fallocate()") + def test_posix_fallocate(self): + fd = os.open(support.TESTFN, os.O_WRONLY | os.O_CREAT) + try: + posix.posix_fallocate(fd, 0, 10) + except OSError as inst: + # issue10812, ZFS doesn't appear to support posix_fallocate, + # so skip Solaris-based since they are likely to have ZFS. + if inst.errno != errno.EINVAL or not sys.platform.startswith("sunos"): + raise + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'posix_fadvise'), + "test needs posix.posix_fadvise()") + def test_posix_fadvise(self): + fd = os.open(support.TESTFN, os.O_RDONLY) + try: + posix.posix_fadvise(fd, 0, 0, posix.POSIX_FADV_WILLNEED) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'futimes'), "test needs posix.futimes()") + def test_futimes(self): + now = time.time() + fd = os.open(support.TESTFN, os.O_RDONLY) + try: + posix.futimes(fd, None) + self.assertRaises(TypeError, posix.futimes, fd, (None, None)) + self.assertRaises(TypeError, posix.futimes, fd, (now, None)) + self.assertRaises(TypeError, posix.futimes, fd, (None, now)) + posix.futimes(fd, (int(now), int(now))) + posix.futimes(fd, (now, now)) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'lutimes'), "test needs posix.lutimes()") + def test_lutimes(self): + now = time.time() + posix.lutimes(support.TESTFN, None) + self.assertRaises(TypeError, posix.lutimes, support.TESTFN, (None, None)) + self.assertRaises(TypeError, posix.lutimes, support.TESTFN, (now, None)) + self.assertRaises(TypeError, posix.lutimes, support.TESTFN, (None, now)) + posix.lutimes(support.TESTFN, (int(now), int(now))) + posix.lutimes(support.TESTFN, (now, now)) + + @unittest.skipUnless(hasattr(posix, 'futimens'), "test needs posix.futimens()") + def test_futimens(self): + now = time.time() + fd = os.open(support.TESTFN, os.O_RDONLY) + try: + self.assertRaises(TypeError, posix.futimens, fd, (None, None), (None, None)) + self.assertRaises(TypeError, posix.futimens, fd, (now, 0), None) + self.assertRaises(TypeError, posix.futimens, fd, None, (now, 0)) + posix.futimens(fd, (int(now), int((now - int(now)) * 1e9)), + (int(now), int((now - int(now)) * 1e9))) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'writev'), "test needs posix.writev()") + def test_writev(self): + fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) + try: + os.writev(fd, (b'test1', b'tt2', b't3')) + os.lseek(fd, 0, os.SEEK_SET) + self.assertEqual(b'test1tt2t3', posix.read(fd, 10)) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'readv'), "test needs posix.readv()") + def test_readv(self): + fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) + try: + os.write(fd, b'test1tt2t3') + os.lseek(fd, 0, os.SEEK_SET) + buf = [bytearray(i) for i in [5, 3, 2]] + self.assertEqual(posix.readv(fd, buf), 10) + self.assertEqual([b'test1', b'tt2', b't3'], [bytes(i) for i in buf]) + finally: + os.close(fd) + def test_dup(self): if hasattr(posix, 'dup'): fp = open(support.TESTFN) diff --git a/Misc/NEWS b/Misc/NEWS index a5cf8bea562..d8e05fbfcce 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -72,6 +72,7 @@ Core and Builtins Library ------- +- Issue #10812: Add some extra posix functions to the os module. - Issue #10979: unittest stdout buffering now works with class and module setup and teardown. diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index 8332cfe1417..cc908e2a13a 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -1503,6 +1503,33 @@ static PyStructSequence_Desc statvfs_result_desc = { 10 }; +#if defined(HAVE_WAITID) && !defined(__APPLE__) +PyDoc_STRVAR(waitid_result__doc__, +"waitid_result: Result from waitid.\n\n\ +This object may be accessed either as a tuple of\n\ + (si_pid, si_uid, si_signo, si_status, si_code),\n\ +or via the attributes si_pid, si_uid, and so on.\n\ +\n\ +See os.waitid for more information."); + +static PyStructSequence_Field waitid_result_fields[] = { + {"si_pid", }, + {"si_uid", }, + {"si_signo", }, + {"si_status", }, + {"si_code", }, + {0} +}; + +static PyStructSequence_Desc waitid_result_desc = { + "waitid_result", /* name */ + waitid_result__doc__, /* doc */ + waitid_result_fields, + 5 +}; +static PyTypeObject WaitidResultType; +#endif + static int initialized; static PyTypeObject StatResultType; static PyTypeObject StatVFSResultType; @@ -2102,6 +2129,21 @@ posix_fsync(PyObject *self, PyObject *fdobj) } #endif /* HAVE_FSYNC */ +#ifdef HAVE_SYNC +PyDoc_STRVAR(posix_sync__doc__, +"sync()\n\n\ +Force write of everything to disk."); + +static PyObject * +posix_sync(PyObject *self, PyObject *noargs) +{ + Py_BEGIN_ALLOW_THREADS + sync(); + Py_END_ALLOW_THREADS + Py_RETURN_NONE; +} +#endif + #ifdef HAVE_FDATASYNC #ifdef __hpux @@ -3488,6 +3530,167 @@ done: #endif /* MS_WINDOWS */ } +#ifdef HAVE_FUTIMES +PyDoc_STRVAR(posix_futimes__doc__, +"futimes(fd, (atime, mtime))\n\ +futimes(fd, None)\n\n\ +Set the access and modified time of the file specified by the file\n\ +descriptor fd to the given values. If the second form is used, set the\n\ +access and modified times to the current time."); + +static PyObject * +posix_futimes(PyObject *self, PyObject *args) +{ + int res, fd; + PyObject* arg; + struct timeval buf[2]; + long ausec, musec; + + if (!PyArg_ParseTuple(args, "iO:futimes", &fd, &arg)) + return NULL; + + if (arg == Py_None) { + /* optional time values not given */ + Py_BEGIN_ALLOW_THREADS + res = futimes(fd, NULL); + Py_END_ALLOW_THREADS + } + else if (!PyTuple_Check(arg) || PyTuple_Size(arg) != 2) { + PyErr_SetString(PyExc_TypeError, + "futimes() arg 2 must be a tuple (atime, mtime)"); + return NULL; + } + else { + if (extract_time(PyTuple_GET_ITEM(arg, 0), + &(buf[0].tv_sec), &ausec) == -1) { + return NULL; + } + if (extract_time(PyTuple_GET_ITEM(arg, 1), + &(buf[1].tv_sec), &musec) == -1) { + return NULL; + } + buf[0].tv_usec = ausec; + buf[1].tv_usec = musec; + Py_BEGIN_ALLOW_THREADS + res = futimes(fd, buf); + Py_END_ALLOW_THREADS + } + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif + +#ifdef HAVE_LUTIMES +PyDoc_STRVAR(posix_lutimes__doc__, +"lutimes(path, (atime, mtime))\n\ +lutimes(path, None)\n\n\ +Like utime(), but if path is a symbolic link, it is not dereferenced."); + +static PyObject * +posix_lutimes(PyObject *self, PyObject *args) +{ + PyObject *opath, *arg; + const char *path; + int res; + struct timeval buf[2]; + long ausec, musec; + + if (!PyArg_ParseTuple(args, "O&O:lutimes", + PyUnicode_FSConverter, &opath, &arg)) + return NULL; + path = PyBytes_AsString(opath); + if (arg == Py_None) { + /* optional time values not given */ + Py_BEGIN_ALLOW_THREADS + res = lutimes(path, NULL); + Py_END_ALLOW_THREADS + } + else if (!PyTuple_Check(arg) || PyTuple_Size(arg) != 2) { + PyErr_SetString(PyExc_TypeError, + "lutimes() arg 2 must be a tuple (atime, mtime)"); + Py_DECREF(opath); + return NULL; + } + else { + if (extract_time(PyTuple_GET_ITEM(arg, 0), + &(buf[0].tv_sec), &ausec) == -1) { + Py_DECREF(opath); + return NULL; + } + if (extract_time(PyTuple_GET_ITEM(arg, 1), + &(buf[1].tv_sec), &musec) == -1) { + Py_DECREF(opath); + return NULL; + } + buf[0].tv_usec = ausec; + buf[1].tv_usec = musec; + Py_BEGIN_ALLOW_THREADS + res = lutimes(path, buf); + Py_END_ALLOW_THREADS + } + Py_DECREF(opath); + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif + +#ifdef HAVE_FUTIMENS +PyDoc_STRVAR(posix_futimens__doc__, +"futimens(fd, (atime_sec, atime_nsec), (mtime_sec, mtime_nsec))\n\ +futimens(fd, None, None)\n\n\ +Updates the timestamps of a file specified by the file descriptor fd, with\n\ +nanosecond precision.\n\ +The second form sets atime and mtime to the current time.\n\ +If *_nsec is specified as UTIME_NOW, the timestamp is updated to the\n\ +current time.\n\ +If *_nsec is specified as UTIME_OMIT, the timestamp is not updated."); + +static PyObject * +posix_futimens(PyObject *self, PyObject *args) +{ + int res, fd; + PyObject *atime, *mtime; + struct timespec buf[2]; + + if (!PyArg_ParseTuple(args, "iOO:futimens", + &fd, &atime, &mtime)) + return NULL; + if (atime == Py_None && mtime == Py_None) { + /* optional time values not given */ + Py_BEGIN_ALLOW_THREADS + res = futimens(fd, NULL); + Py_END_ALLOW_THREADS + } + else if (!PyTuple_Check(atime) || PyTuple_Size(atime) != 2) { + PyErr_SetString(PyExc_TypeError, + "futimens() arg 2 must be a tuple (atime_sec, atime_nsec)"); + return NULL; + } + else if (!PyTuple_Check(mtime) || PyTuple_Size(mtime) != 2) { + PyErr_SetString(PyExc_TypeError, + "futimens() arg 3 must be a tuple (mtime_sec, mtime_nsec)"); + return NULL; + } + else { + if (!PyArg_ParseTuple(atime, "ll:futimens", + &(buf[0].tv_sec), &(buf[0].tv_nsec))) { + return NULL; + } + if (!PyArg_ParseTuple(mtime, "ll:futimens", + &(buf[1].tv_sec), &(buf[1].tv_nsec))) { + return NULL; + } + Py_BEGIN_ALLOW_THREADS + res = futimens(fd, buf); + Py_END_ALLOW_THREADS + } + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif /* Process operations */ @@ -3532,79 +3735,7 @@ int fsconvert_strdup(PyObject *o, char**out) } #endif - -#ifdef HAVE_EXECV -PyDoc_STRVAR(posix_execv__doc__, -"execv(path, args)\n\n\ -Execute an executable path with arguments, replacing current process.\n\ -\n\ - path: path of executable file\n\ - args: tuple or list of strings"); - -static PyObject * -posix_execv(PyObject *self, PyObject *args) -{ - PyObject *opath; - char *path; - PyObject *argv; - char **argvlist; - Py_ssize_t i, argc; - PyObject *(*getitem)(PyObject *, Py_ssize_t); - - /* execv has two arguments: (path, argv), where - argv is a list or tuple of strings. */ - - if (!PyArg_ParseTuple(args, "O&O:execv", - PyUnicode_FSConverter, - &opath, &argv)) - return NULL; - path = PyBytes_AsString(opath); - if (PyList_Check(argv)) { - argc = PyList_Size(argv); - getitem = PyList_GetItem; - } - else if (PyTuple_Check(argv)) { - argc = PyTuple_Size(argv); - getitem = PyTuple_GetItem; - } - else { - PyErr_SetString(PyExc_TypeError, "execv() arg 2 must be a tuple or list"); - Py_DECREF(opath); - return NULL; - } - if (argc < 1) { - PyErr_SetString(PyExc_ValueError, "execv() arg 2 must not be empty"); - Py_DECREF(opath); - return NULL; - } - - argvlist = PyMem_NEW(char *, argc+1); - if (argvlist == NULL) { - Py_DECREF(opath); - return PyErr_NoMemory(); - } - for (i = 0; i < argc; i++) { - if (!fsconvert_strdup((*getitem)(argv, i), - &argvlist[i])) { - free_string_array(argvlist, i); - PyErr_SetString(PyExc_TypeError, - "execv() arg 2 must contain only strings"); - Py_DECREF(opath); - return NULL; - - } - } - argvlist[argc] = NULL; - - execv(path, argvlist); - - /* If we get here it's definitely an error */ - - free_string_array(argvlist, argc); - Py_DECREF(opath); - return posix_error(); -} - +#if defined(HAVE_EXECV) || defined (HAVE_FEXECVE) static char** parse_envlist(PyObject* env, Py_ssize_t *envc_ptr) { @@ -3686,6 +3817,84 @@ error: return NULL; } +static char** +parse_arglist(PyObject* argv, Py_ssize_t *argc) +{ + int i; + char **argvlist = PyMem_NEW(char *, *argc+1); + if (argvlist == NULL) { + PyErr_NoMemory(); + return NULL; + } + for (i = 0; i < *argc; i++) { + if (!fsconvert_strdup(PySequence_ITEM(argv, i), + &argvlist[i])) + { + *argc = i; + goto fail; + } + } + argvlist[*argc] = NULL; + return argvlist; +fail: + free_string_array(argvlist, *argc); + return NULL; +} +#endif + +#ifdef HAVE_EXECV +PyDoc_STRVAR(posix_execv__doc__, +"execv(path, args)\n\n\ +Execute an executable path with arguments, replacing current process.\n\ +\n\ + path: path of executable file\n\ + args: tuple or list of strings"); + +static PyObject * +posix_execv(PyObject *self, PyObject *args) +{ + PyObject *opath; + char *path; + PyObject *argv; + char **argvlist; + Py_ssize_t argc; + + /* execv has two arguments: (path, argv), where + argv is a list or tuple of strings. */ + + if (!PyArg_ParseTuple(args, "O&O:execv", + PyUnicode_FSConverter, + &opath, &argv)) + return NULL; + path = PyBytes_AsString(opath); + if (!PyList_Check(argv) && !PyTuple_Check(argv)) { + PyErr_SetString(PyExc_TypeError, + "execv() arg 2 must be a tuple or list"); + Py_DECREF(opath); + return NULL; + } + argc = PySequence_Size(argv); + if (argc < 1) { + PyErr_SetString(PyExc_ValueError, "execv() arg 2 must not be empty"); + Py_DECREF(opath); + return NULL; + } + + argvlist = parse_arglist(argv, &argc); + if (argvlist == NULL) { + Py_DECREF(opath); + return NULL; + } + + execv(path, argvlist); + + /* If we get here it's definitely an error */ + + free_string_array(argvlist, argc); + Py_DECREF(opath); + return posix_error(); +} + PyDoc_STRVAR(posix_execve__doc__, "execve(path, args, env)\n\n\ Execute a path with arguments and environment, replacing current process.\n\ @@ -3702,9 +3911,7 @@ posix_execve(PyObject *self, PyObject *args) PyObject *argv, *env; char **argvlist; char **envlist; - Py_ssize_t i, argc, envc; - PyObject *(*getitem)(PyObject *, Py_ssize_t); - Py_ssize_t lastarg = 0; + Py_ssize_t argc, envc; /* execve has three arguments: (path, argv, env), where argv is a list or tuple of strings and env is a dictionary @@ -3715,40 +3922,22 @@ posix_execve(PyObject *self, PyObject *args) &opath, &argv, &env)) return NULL; path = PyBytes_AsString(opath); - if (PyList_Check(argv)) { - argc = PyList_Size(argv); - getitem = PyList_GetItem; - } - else if (PyTuple_Check(argv)) { - argc = PyTuple_Size(argv); - getitem = PyTuple_GetItem; - } - else { + if (!PyList_Check(argv) && !PyTuple_Check(argv)) { PyErr_SetString(PyExc_TypeError, "execve() arg 2 must be a tuple or list"); goto fail_0; } + argc = PySequence_Size(argv); if (!PyMapping_Check(env)) { PyErr_SetString(PyExc_TypeError, "execve() arg 3 must be a mapping object"); goto fail_0; } - argvlist = PyMem_NEW(char *, argc+1); + argvlist = parse_arglist(argv, &argc); if (argvlist == NULL) { - PyErr_NoMemory(); goto fail_0; } - for (i = 0; i < argc; i++) { - if (!fsconvert_strdup((*getitem)(argv, i), - &argvlist[i])) - { - lastarg = i; - goto fail_1; - } - } - lastarg = argc; - argvlist[argc] = NULL; envlist = parse_envlist(env, &envc); if (envlist == NULL) @@ -3764,13 +3953,69 @@ posix_execve(PyObject *self, PyObject *args) PyMem_DEL(envlist[envc]); PyMem_DEL(envlist); fail_1: - free_string_array(argvlist, lastarg); + free_string_array(argvlist, argc); fail_0: Py_DECREF(opath); return NULL; } #endif /* HAVE_EXECV */ +#ifdef HAVE_FEXECVE +PyDoc_STRVAR(posix_fexecve__doc__, +"fexecve(fd, args, env)\n\n\ +Execute the program specified by a file descriptor with arguments and\n\ +environment, replacing the current process.\n\ +\n\ + fd: file descriptor of executable\n\ + args: tuple or list of arguments\n\ + env: dictionary of strings mapping to strings"); + +static PyObject * +posix_fexecve(PyObject *self, PyObject *args) +{ + int fd; + PyObject *argv, *env; + char **argvlist; + char **envlist; + Py_ssize_t argc, envc; + + if (!PyArg_ParseTuple(args, "iOO:fexecve", + &fd, &argv, &env)) + return NULL; + if (!PyList_Check(argv) && !PyTuple_Check(argv)) { + PyErr_SetString(PyExc_TypeError, + "fexecve() arg 2 must be a tuple or list"); + return NULL; + } + argc = PySequence_Size(argv); + if (!PyMapping_Check(env)) { + PyErr_SetString(PyExc_TypeError, + "fexecve() arg 3 must be a mapping object"); + return NULL; + } + + argvlist = parse_arglist(argv, &argc); + if (argvlist == NULL) + return NULL; + + envlist = parse_envlist(env, &envc); + if (envlist == NULL) + goto fail; + + fexecve(fd, argvlist, envlist); + + /* If we get here it's definitely an error */ + + (void) posix_error(); + + while (--envc >= 0) + PyMem_DEL(envlist[envc]); + PyMem_DEL(envlist); + fail: + free_string_array(argvlist, argc); + return NULL; +} +#endif /* HAVE_FEXECVE */ #ifdef HAVE_SPAWNV PyDoc_STRVAR(posix_spawnv__doc__, @@ -4337,6 +4582,7 @@ posix_forkpty(PyObject *self, PyObject *noargs) } #endif + #ifdef HAVE_GETEGID PyDoc_STRVAR(posix_getegid__doc__, "getegid() -> egid\n\n\ @@ -5127,6 +5373,55 @@ posix_wait4(PyObject *self, PyObject *args) } #endif /* HAVE_WAIT4 */ +#if defined(HAVE_WAITID) && !defined(__APPLE__) +PyDoc_STRVAR(posix_waitid__doc__, +"waitid(idtype, id, options) -> waitid_result\n\n\ +Wait for the completion of one or more child processes.\n\n\ +idtype can be P_PID, P_PGID or P_ALL.\n\ +id specifies the pid to wait on.\n\ +options is constructed from the ORing of one or more of WEXITED, WSTOPPED\n\ +or WCONTINUED and additionally may be ORed with WNOHANG or WNOWAIT.\n\ +Returns either waitid_result or None if WNOHANG is specified and there are\n\ +no children in a waitable state."); + +static PyObject * +posix_waitid(PyObject *self, PyObject *args) +{ + PyObject *result; + idtype_t idtype; + id_t id; + int options, res; + siginfo_t si; + si.si_pid = 0; + if (!PyArg_ParseTuple(args, "i" _Py_PARSE_PID "i:waitid", &idtype, &id, &options)) + return NULL; + Py_BEGIN_ALLOW_THREADS + res = waitid(idtype, id, &si, options); + Py_END_ALLOW_THREADS + if (res == -1) + return posix_error(); + + if (si.si_pid == 0) + Py_RETURN_NONE; + + result = PyStructSequence_New(&WaitidResultType); + if (!result) + return NULL; + + PyStructSequence_SET_ITEM(result, 0, PyLong_FromPid(si.si_pid)); + PyStructSequence_SET_ITEM(result, 1, PyLong_FromPid(si.si_uid)); + PyStructSequence_SET_ITEM(result, 2, PyLong_FromLong((long)(si.si_signo))); + PyStructSequence_SET_ITEM(result, 3, PyLong_FromLong((long)(si.si_status))); + PyStructSequence_SET_ITEM(result, 4, PyLong_FromLong((long)(si.si_code))); + if (PyErr_Occurred()) { + Py_DECREF(result); + return NULL; + } + + return result; +} +#endif + #ifdef HAVE_WAITPID PyDoc_STRVAR(posix_waitpid__doc__, "waitpid(pid, options) -> (pid, status)\n\n\ @@ -5742,6 +6037,35 @@ posix_dup2(PyObject *self, PyObject *args) return Py_None; } +#ifdef HAVE_LOCKF +PyDoc_STRVAR(posix_lockf__doc__, +"lockf(fd, cmd, len)\n\n\ +Apply, test or remove a POSIX lock on an open file descriptor.\n\n\ +fd is an open file descriptor.\n\ +cmd specifies the command to use - one of F_LOCK, F_TLOCK, F_ULOCK or\n\ +F_TEST.\n\ +len specifies the section of the file to lock."); + +static PyObject * +posix_lockf(PyObject *self, PyObject *args) +{ + int fd, cmd, res; + off_t len; + if (!PyArg_ParseTuple(args, "iiO&:lockf", + &fd, &cmd, _parse_off_t, &len)) + return NULL; + + Py_BEGIN_ALLOW_THREADS + res = lockf(fd, cmd, len); + Py_END_ALLOW_THREADS + + if (res < 0) + return posix_error(); + + Py_RETURN_NONE; +} +#endif + PyDoc_STRVAR(posix_lseek__doc__, "lseek(fd, pos, how) -> newpos\n\n\ @@ -5756,8 +6080,7 @@ posix_lseek(PyObject *self, PyObject *args) #else off_t pos, res; #endif - PyObject *posobj; - if (!PyArg_ParseTuple(args, "iOi:lseek", &fd, &posobj, &how)) + if (!PyArg_ParseTuple(args, "iO&i:lseek", &fd, _parse_off_t, &pos, &how)) return NULL; #ifdef SEEK_SET /* Turn 0, 1, 2 into SEEK_{SET,CUR,END} */ @@ -5768,11 +6091,6 @@ posix_lseek(PyObject *self, PyObject *args) } #endif /* SEEK_END */ -#if !defined(HAVE_LARGEFILE_SUPPORT) - pos = PyLong_AsLong(posobj); -#else - pos = PyLong_AsLongLong(posobj); -#endif if (PyErr_Occurred()) return NULL; @@ -5831,42 +6149,8 @@ posix_read(PyObject *self, PyObject *args) return buffer; } - -PyDoc_STRVAR(posix_write__doc__, -"write(fd, string) -> byteswritten\n\n\ -Write a string to a file descriptor."); - -static PyObject * -posix_write(PyObject *self, PyObject *args) -{ - Py_buffer pbuf; - int fd; - Py_ssize_t size, len; - - if (!PyArg_ParseTuple(args, "iy*:write", &fd, &pbuf)) - return NULL; - if (!_PyVerify_fd(fd)) { - PyBuffer_Release(&pbuf); - return posix_error(); - } - len = pbuf.len; - Py_BEGIN_ALLOW_THREADS -#if defined(MS_WIN64) || defined(MS_WINDOWS) - if (len > INT_MAX) - len = INT_MAX; - size = write(fd, pbuf.buf, (int)len); -#else - size = write(fd, pbuf.buf, len); -#endif - Py_END_ALLOW_THREADS - PyBuffer_Release(&pbuf); - if (size < 0) - return posix_error(); - return PyLong_FromSsize_t(size); -} - -#ifdef HAVE_SENDFILE -#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__APPLE__) +#if (defined(HAVE_SENDFILE) && (defined(__FreeBSD__) || defined(__DragonFly__) \ + || defined(__APPLE__))) || defined(HAVE_READV) || defined(HAVE_WRITEV) static Py_ssize_t iov_setup(struct iovec **iov, Py_buffer **buf, PyObject *seq, int cnt, int type) { @@ -5917,6 +6201,117 @@ iov_cleanup(struct iovec *iov, Py_buffer *buf, int cnt) } #endif +#ifdef HAVE_READV +PyDoc_STRVAR(posix_readv__doc__, +"readv(fd, buffers) -> bytesread\n\n\ +Read from a file descriptor into a number of writable buffers. buffers\n\ +is an arbitrary sequence of writable buffers.\n\ +Returns the total number of bytes read."); + +static PyObject * +posix_readv(PyObject *self, PyObject *args) +{ + int fd, cnt; + Py_ssize_t n; + PyObject *seq; + struct iovec *iov; + Py_buffer *buf; + + if (!PyArg_ParseTuple(args, "iO:readv", &fd, &seq)) + return NULL; + if (!PySequence_Check(seq)) { + PyErr_SetString(PyExc_TypeError, + "readv() arg 2 must be a sequence"); + return NULL; + } + cnt = PySequence_Size(seq); + + if (!iov_setup(&iov, &buf, seq, cnt, PyBUF_WRITABLE)) + return NULL; + + Py_BEGIN_ALLOW_THREADS + n = readv(fd, iov, cnt); + Py_END_ALLOW_THREADS + + iov_cleanup(iov, buf, cnt); + return PyLong_FromSsize_t(n); +} +#endif + +#ifdef HAVE_PREAD +PyDoc_STRVAR(posix_pread__doc__, +"pread(fd, buffersize, offset) -> string\n\n\ +Read from a file descriptor, fd, at a position of offset. It will read up\n\ +to buffersize number of bytes. The file offset remains unchanged."); + +static PyObject * +posix_pread(PyObject *self, PyObject *args) +{ + int fd, size; + off_t offset; + Py_ssize_t n; + PyObject *buffer; + if (!PyArg_ParseTuple(args, "iiO&:pread", &fd, &size, _parse_off_t, &offset)) + return NULL; + + if (size < 0) { + errno = EINVAL; + return posix_error(); + } + buffer = PyBytes_FromStringAndSize((char *)NULL, size); + if (buffer == NULL) + return NULL; + if (!_PyVerify_fd(fd)) { + Py_DECREF(buffer); + return posix_error(); + } + Py_BEGIN_ALLOW_THREADS + n = pread(fd, PyBytes_AS_STRING(buffer), size, offset); + Py_END_ALLOW_THREADS + if (n < 0) { + Py_DECREF(buffer); + return posix_error(); + } + if (n != size) + _PyBytes_Resize(&buffer, n); + return buffer; +} +#endif + +PyDoc_STRVAR(posix_write__doc__, +"write(fd, string) -> byteswritten\n\n\ +Write a string to a file descriptor."); + +static PyObject * +posix_write(PyObject *self, PyObject *args) +{ + Py_buffer pbuf; + int fd; + Py_ssize_t size, len; + + if (!PyArg_ParseTuple(args, "iy*:write", &fd, &pbuf)) + return NULL; + if (!_PyVerify_fd(fd)) { + PyBuffer_Release(&pbuf); + return posix_error(); + } + len = pbuf.len; + Py_BEGIN_ALLOW_THREADS +#if defined(MS_WIN64) || defined(MS_WINDOWS) + if (len > INT_MAX) + len = INT_MAX; + size = write(fd, pbuf.buf, (int)len); +#else + size = write(fd, pbuf.buf, len); +#endif + Py_END_ALLOW_THREADS + PyBuffer_Release(&pbuf); + if (size < 0) + return posix_error(); + return PyLong_FromSsize_t(size); +} + +#ifdef HAVE_SENDFILE PyDoc_STRVAR(posix_sendfile__doc__, "sendfile(out, in, offset, nbytes) -> byteswritten\n\ sendfile(out, in, offset, nbytes, headers=None, trailers=None, flags=0)\n\ @@ -6150,6 +6545,73 @@ posix_pipe(PyObject *self, PyObject *noargs) } #endif /* HAVE_PIPE */ +#ifdef HAVE_WRITEV +PyDoc_STRVAR(posix_writev__doc__, +"writev(fd, buffers) -> byteswritten\n\n\ +Write the contents of buffers to a file descriptor, where buffers is an\n\ +arbitrary sequence of buffers.\n\ +Returns the total bytes written."); + +static PyObject * +posix_writev(PyObject *self, PyObject *args) +{ + int fd, cnt; + Py_ssize_t res; + PyObject *seq; + struct iovec *iov; + Py_buffer *buf; + if (!PyArg_ParseTuple(args, "iO:writev", &fd, &seq)) + return NULL; + if (!PySequence_Check(seq)) { + PyErr_SetString(PyExc_TypeError, + "writev() arg 2 must be a sequence"); + return NULL; + } + cnt = PySequence_Size(seq); + + if (!iov_setup(&iov, &buf, seq, cnt, PyBUF_SIMPLE)) { + return NULL; + } + + Py_BEGIN_ALLOW_THREADS + res = writev(fd, iov, cnt); + Py_END_ALLOW_THREADS + + iov_cleanup(iov, buf, cnt); + return PyLong_FromSsize_t(res); +} +#endif + +#ifdef HAVE_PWRITE +PyDoc_STRVAR(posix_pwrite__doc__, +"pwrite(fd, string, offset) -> byteswritten\n\n\ +Write string to a file descriptor, fd, from offset, leaving the file\n\ +offset unchanged."); + +static PyObject * +posix_pwrite(PyObject *self, PyObject *args) +{ + Py_buffer pbuf; + int fd; + off_t offset; + Py_ssize_t size; + + if (!PyArg_ParseTuple(args, "iy*O&:pwrite", &fd, &pbuf, _parse_off_t, &offset)) + return NULL; + + if (!_PyVerify_fd(fd)) { + PyBuffer_Release(&pbuf); + return posix_error(); + } + Py_BEGIN_ALLOW_THREADS + size = pwrite(fd, pbuf.buf, (size_t)pbuf.len, offset); + Py_END_ALLOW_THREADS + PyBuffer_Release(&pbuf); + if (size < 0) + return posix_error(); + return PyLong_FromSsize_t(size); +} +#endif #ifdef HAVE_MKFIFO PyDoc_STRVAR(posix_mkfifo__doc__, @@ -6266,18 +6728,8 @@ posix_ftruncate(PyObject *self, PyObject *args) int fd; off_t length; int res; - PyObject *lenobj; - if (!PyArg_ParseTuple(args, "iO:ftruncate", &fd, &lenobj)) - return NULL; - -#if !defined(HAVE_LARGEFILE_SUPPORT) - length = PyLong_AsLong(lenobj); -#else - length = PyLong_Check(lenobj) ? - PyLong_AsLongLong(lenobj) : PyLong_AsLong(lenobj); -#endif - if (PyErr_Occurred()) + if (!PyArg_ParseTuple(args, "iO&:ftruncate", &fd, _parse_off_t, &length)) return NULL; Py_BEGIN_ALLOW_THREADS @@ -6290,6 +6742,93 @@ posix_ftruncate(PyObject *self, PyObject *args) } #endif +#ifdef HAVE_TRUNCATE +PyDoc_STRVAR(posix_truncate__doc__, +"truncate(path, length)\n\n\ +Truncate the file given by path to length bytes."); + +static PyObject * +posix_truncate(PyObject *self, PyObject *args) +{ + PyObject *opath; + const char *path; + off_t length; + int res; + + if (!PyArg_ParseTuple(args, "O&O&:truncate", + PyUnicode_FSConverter, &opath, _parse_off_t, &length)) + return NULL; + path = PyBytes_AsString(opath); + + Py_BEGIN_ALLOW_THREADS + res = truncate(path, length); + Py_END_ALLOW_THREADS + Py_DECREF(opath); + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif + +#ifdef HAVE_POSIX_FALLOCATE +PyDoc_STRVAR(posix_posix_fallocate__doc__, +"posix_fallocate(fd, offset, len)\n\n\ +Ensures that enough disk space is allocated for the file specified by fd\n\ +starting from offset and continuing for len bytes."); + +static PyObject * +posix_posix_fallocate(PyObject *self, PyObject *args) +{ + off_t len, offset; + int res, fd; + + if (!PyArg_ParseTuple(args, "iO&O&:posix_fallocate", + &fd, _parse_off_t, &offset, _parse_off_t, &len)) + return NULL; + + Py_BEGIN_ALLOW_THREADS + res = posix_fallocate(fd, offset, len); + Py_END_ALLOW_THREADS + if (res != 0) { + errno = res; + return posix_error(); + } + Py_RETURN_NONE; +} +#endif + +#ifdef HAVE_POSIX_FADVISE +PyDoc_STRVAR(posix_posix_fadvise__doc__, +"posix_fadvise(fd, offset, len, advice)\n\n\ +Announces an intention to access data in a specific pattern thus allowing\n\ +the kernel to make optimizations.\n\ +The advice applies to the region of the file specified by fd starting at\n\ +offset and continuing for len bytes.\n\ +advice is one of POSIX_FADV_NORMAL, POSIX_FADV_SEQUENTIAL,\n\ +POSIX_FADV_RANDOM, POSIX_FADV_NOREUSE, POSIX_FADV_WILLNEED or\n\ +POSIX_FADV_DONTNEED."); + +static PyObject * +posix_posix_fadvise(PyObject *self, PyObject *args) +{ + off_t len, offset; + int res, fd, advice; + + if (!PyArg_ParseTuple(args, "iO&O&i:posix_fadvise", + &fd, _parse_off_t, &offset, _parse_off_t, &len, &advice)) + return NULL; + + Py_BEGIN_ALLOW_THREADS + res = posix_fadvise(fd, offset, len, advice); + Py_END_ALLOW_THREADS + if (res != 0) { + errno = res; + return posix_error(); + } + Py_RETURN_NONE; +} +#endif + #ifdef HAVE_PUTENV PyDoc_STRVAR(posix_putenv__doc__, "putenv(key, value)\n\n\ @@ -8725,6 +9264,15 @@ static PyMethodDef posix_methods[] = { {"unlink", posix_unlink, METH_VARARGS, posix_unlink__doc__}, {"remove", posix_unlink, METH_VARARGS, posix_remove__doc__}, {"utime", posix_utime, METH_VARARGS, posix_utime__doc__}, +#ifdef HAVE_FUTIMES + {"futimes", posix_futimes, METH_VARARGS, posix_futimes__doc__}, +#endif +#ifdef HAVE_LUTIMES + {"lutimes", posix_lutimes, METH_VARARGS, posix_lutimes__doc__}, +#endif +#ifdef HAVE_FUTIMENS + {"futimens", posix_futimens, METH_VARARGS, posix_futimens__doc__}, +#endif #ifdef HAVE_TIMES {"times", posix_times, METH_NOARGS, posix_times__doc__}, #endif /* HAVE_TIMES */ @@ -8733,6 +9281,9 @@ static PyMethodDef posix_methods[] = { {"execv", posix_execv, METH_VARARGS, posix_execv__doc__}, {"execve", posix_execve, METH_VARARGS, posix_execve__doc__}, #endif /* HAVE_EXECV */ +#ifdef HAVE_FEXECVE + {"fexecve", posix_fexecve, METH_VARARGS, posix_fexecve__doc__}, +#endif #ifdef HAVE_SPAWNV {"spawnv", posix_spawnv, METH_VARARGS, posix_spawnv__doc__}, {"spawnve", posix_spawnve, METH_VARARGS, posix_spawnve__doc__}, @@ -8831,6 +9382,9 @@ static PyMethodDef posix_methods[] = { #ifdef HAVE_WAIT4 {"wait4", posix_wait4, METH_VARARGS, posix_wait4__doc__}, #endif /* HAVE_WAIT4 */ +#if defined(HAVE_WAITID) && !defined(__APPLE__) + {"waitid", posix_waitid, METH_VARARGS, posix_waitid__doc__}, +#endif #if defined(HAVE_WAITPID) || defined(HAVE_CWAIT) {"waitpid", posix_waitpid, METH_VARARGS, posix_waitpid__doc__}, #endif /* HAVE_WAITPID */ @@ -8855,9 +9409,24 @@ static PyMethodDef posix_methods[] = { {"device_encoding", device_encoding, METH_VARARGS, device_encoding__doc__}, {"dup", posix_dup, METH_VARARGS, posix_dup__doc__}, {"dup2", posix_dup2, METH_VARARGS, posix_dup2__doc__}, +#ifdef HAVE_LOCKF + {"lockf", posix_lockf, METH_VARARGS, posix_lockf__doc__}, +#endif {"lseek", posix_lseek, METH_VARARGS, posix_lseek__doc__}, {"read", posix_read, METH_VARARGS, posix_read__doc__}, +#ifdef HAVE_READV + {"readv", posix_readv, METH_VARARGS, posix_readv__doc__}, +#endif +#ifdef HAVE_PREAD + {"pread", posix_pread, METH_VARARGS, posix_pread__doc__}, +#endif {"write", posix_write, METH_VARARGS, posix_write__doc__}, +#ifdef HAVE_WRITEV + {"writev", posix_writev, METH_VARARGS, posix_writev__doc__}, +#endif +#ifdef HAVE_PWRITE + {"pwrite", posix_pwrite, METH_VARARGS, posix_pwrite__doc__}, +#endif #ifdef HAVE_SENDFILE {"sendfile", (PyCFunction)posix_sendfile, METH_VARARGS | METH_KEYWORDS, posix_sendfile__doc__}, @@ -8881,6 +9450,15 @@ static PyMethodDef posix_methods[] = { #ifdef HAVE_FTRUNCATE {"ftruncate", posix_ftruncate, METH_VARARGS, posix_ftruncate__doc__}, #endif +#ifdef HAVE_TRUNCATE + {"truncate", posix_truncate, METH_VARARGS, posix_truncate__doc__}, +#endif +#ifdef HAVE_POSIX_FALLOCATE + {"posix_fallocate", posix_posix_fallocate, METH_VARARGS, posix_posix_fallocate__doc__}, +#endif +#ifdef HAVE_POSIX_FADVISE + {"posix_fadvise", posix_posix_fadvise, METH_VARARGS, posix_posix_fadvise__doc__}, +#endif #ifdef HAVE_PUTENV {"putenv", posix_putenv, METH_VARARGS, posix_putenv__doc__}, #endif @@ -8894,6 +9472,9 @@ static PyMethodDef posix_methods[] = { #ifdef HAVE_FSYNC {"fsync", posix_fsync, METH_O, posix_fsync__doc__}, #endif +#ifdef HAVE_SYNC + {"sync", posix_sync, METH_NOARGS, posix_sync__doc__}, +#endif #ifdef HAVE_FDATASYNC {"fdatasync", posix_fdatasync, METH_O, posix_fdatasync__doc__}, #endif @@ -9342,6 +9923,76 @@ all_ins(PyObject *d) if (ins(d, "SF_SYNC", (long)SF_SYNC)) return -1; #endif + /* constants for posix_fadvise */ +#ifdef POSIX_FADV_NORMAL + if (ins(d, "POSIX_FADV_NORMAL", (long)POSIX_FADV_NORMAL)) return -1; +#endif +#ifdef POSIX_FADV_SEQUENTIAL + if (ins(d, "POSIX_FADV_SEQUENTIAL", (long)POSIX_FADV_SEQUENTIAL)) return -1; +#endif +#ifdef POSIX_FADV_RANDOM + if (ins(d, "POSIX_FADV_RANDOM", (long)POSIX_FADV_RANDOM)) return -1; +#endif +#ifdef POSIX_FADV_NOREUSE + if (ins(d, "POSIX_FADV_NOREUSE", (long)POSIX_FADV_NOREUSE)) return -1; +#endif +#ifdef POSIX_FADV_WILLNEED + if (ins(d, "POSIX_FADV_WILLNEED", (long)POSIX_FADV_WILLNEED)) return -1; +#endif +#ifdef POSIX_FADV_DONTNEED + if (ins(d, "POSIX_FADV_DONTNEED", (long)POSIX_FADV_DONTNEED)) return -1; +#endif + + /* constants for waitid */ +#if defined(HAVE_SYS_WAIT_H) && defined(HAVE_WAITID) + if (ins(d, "P_PID", (long)P_PID)) return -1; + if (ins(d, "P_PGID", (long)P_PGID)) return -1; + if (ins(d, "P_ALL", (long)P_ALL)) return -1; +#endif +#ifdef WEXITED + if (ins(d, "WEXITED", (long)WEXITED)) return -1; +#endif +#ifdef WNOWAIT + if (ins(d, "WNOWAIT", (long)WNOWAIT)) return -1; +#endif +#ifdef WSTOPPED + if (ins(d, "WSTOPPED", (long)WSTOPPED)) return -1; +#endif +#ifdef CLD_EXITED + if (ins(d, "CLD_EXITED", (long)CLD_EXITED)) return -1; +#endif +#ifdef CLD_DUMPED + if (ins(d, "CLD_DUMPED", (long)CLD_DUMPED)) return -1; +#endif +#ifdef CLD_TRAPPED + if (ins(d, "CLD_TRAPPED", (long)CLD_TRAPPED)) return -1; +#endif +#ifdef CLD_CONTINUED + if (ins(d, "CLD_CONTINUED", (long)CLD_CONTINUED)) return -1; +#endif + + /* constants for lockf */ +#ifdef F_LOCK + if (ins(d, "F_LOCK", (long)F_LOCK)) return -1; +#endif +#ifdef F_TLOCK + if (ins(d, "F_TLOCK", (long)F_TLOCK)) return -1; +#endif +#ifdef F_ULOCK + if (ins(d, "F_ULOCK", (long)F_ULOCK)) return -1; +#endif +#ifdef F_TEST + if (ins(d, "F_TEST", (long)F_TEST)) return -1; +#endif + + /* constants for futimens */ +#ifdef UTIME_NOW + if (ins(d, "UTIME_NOW", (long)UTIME_NOW)) return -1; +#endif +#ifdef UTIME_OMIT + if (ins(d, "UTIME_OMIT", (long)UTIME_OMIT)) return -1; +#endif + #ifdef HAVE_SPAWNV #if defined(PYOS_OS2) && defined(PYCC_GCC) if (ins(d, "P_WAIT", (long)P_WAIT)) return -1; @@ -9441,6 +10092,11 @@ INITFUNC(void) #endif if (!initialized) { +#if defined(HAVE_WAITID) && !defined(__APPLE__) + waitid_result_desc.name = MODNAME ".waitid_result"; + PyStructSequence_InitType(&WaitidResultType, &waitid_result_desc); +#endif + stat_result_desc.name = MODNAME ".stat_result"; stat_result_desc.fields[7].name = PyStructSequence_UnnamedField; stat_result_desc.fields[8].name = PyStructSequence_UnnamedField; @@ -9461,6 +10117,10 @@ INITFUNC(void) # endif #endif } +#if defined(HAVE_WAITID) && !defined(__APPLE__) + Py_INCREF((PyObject*) &WaitidResultType); + PyModule_AddObject(m, "waitid_result", (PyObject*) &WaitidResultType); +#endif Py_INCREF((PyObject*) &StatResultType); PyModule_AddObject(m, "stat_result", (PyObject*) &StatResultType); Py_INCREF((PyObject*) &StatVFSResultType); diff --git a/configure b/configure index 4b69f3a1cde..4b6929275f4 100755 --- a/configure +++ b/configure @@ -776,8 +776,7 @@ CFLAGS LDFLAGS LIBS CPPFLAGS -CPP -CPPFLAGS' +CPP' # Initialize some variables set by options. @@ -9251,19 +9250,21 @@ $as_echo "MACHDEP_OBJS" >&6; } # checks for library functions for ac_func in alarm accept4 setitimer getitimer bind_textdomain_codeset chown \ clock confstr ctermid execv faccessat fchmod fchmodat fchown fchownat \ - fdopendir fork fpathconf fstatat ftime ftruncate futimesat \ + fexecve fdopendir fork fpathconf fstatat ftime ftruncate futimesat \ + futimens futimes \ gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \ getpriority getresuid getresgid getpwent getspnam getspent getsid getwd \ - initgroups kill killpg lchmod lchown linkat lstat mbrtowc mkdirat mkfifo \ + initgroups kill killpg lchmod lchown lockf linkat lstat lutimes mbrtowc mkdirat mkfifo \ mkfifoat mknod mknodat mktime mremap nice openat pathconf pause plock poll \ - pthread_init putenv readlink readlinkat realpath renameat \ + posix_fallocate posix_fadvise pread \ + pthread_init putenv pwrite readlink readlinkat readv realpath renameat \ select sem_open sem_timedwait sem_getvalue sem_unlink sendfile setegid seteuid \ setgid sethostname \ setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \ - sigaction siginterrupt sigrelse snprintf strftime strlcpy symlinkat \ + sigaction siginterrupt sigrelse snprintf strftime strlcpy symlinkat sync \ sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \ - truncate uname unlinkat unsetenv utimensat utimes waitpid wait3 wait4 \ - wcscoll wcsftime wcsxfrm _getpty + truncate uname unlinkat unsetenv utimensat utimes waitid waitpid wait3 wait4 \ + wcscoll wcsftime wcsxfrm writev _getpty do : as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" diff --git a/configure.in b/configure.in index c6c884cc9d0..b41a4b6cba0 100644 --- a/configure.in +++ b/configure.in @@ -2496,19 +2496,21 @@ AC_MSG_RESULT(MACHDEP_OBJS) # checks for library functions AC_CHECK_FUNCS(alarm accept4 setitimer getitimer bind_textdomain_codeset chown \ clock confstr ctermid execv faccessat fchmod fchmodat fchown fchownat \ - fdopendir fork fpathconf fstatat ftime ftruncate futimesat \ + fexecve fdopendir fork fpathconf fstatat ftime ftruncate futimesat \ + futimens futimes \ gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \ getpriority getresuid getresgid getpwent getspnam getspent getsid getwd \ - initgroups kill killpg lchmod lchown linkat lstat mbrtowc mkdirat mkfifo \ + initgroups kill killpg lchmod lchown lockf linkat lstat lutimes mbrtowc mkdirat mkfifo \ mkfifoat mknod mknodat mktime mremap nice openat pathconf pause plock poll \ - pthread_init putenv readlink readlinkat realpath renameat \ + posix_fallocate posix_fadvise pread \ + pthread_init putenv pwrite readlink readlinkat readv realpath renameat \ select sem_open sem_timedwait sem_getvalue sem_unlink sendfile setegid seteuid \ setgid sethostname \ setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \ - sigaction siginterrupt sigrelse snprintf strftime strlcpy symlinkat \ + sigaction siginterrupt sigrelse snprintf strftime strlcpy symlinkat sync \ sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \ - truncate uname unlinkat unsetenv utimensat utimes waitpid wait3 wait4 \ - wcscoll wcsftime wcsxfrm _getpty) + truncate uname unlinkat unsetenv utimensat utimes waitid waitpid wait3 wait4 \ + wcscoll wcsftime wcsxfrm writev _getpty) # For some functions, having a definition is not sufficient, since # we want to take their address. diff --git a/pyconfig.h.in b/pyconfig.h.in index 3eedd4b0950..7320260f8b2 100644 --- a/pyconfig.h.in +++ b/pyconfig.h.in @@ -232,6 +232,9 @@ /* Define to 1 if you have the `fdopendir' function. */ #undef HAVE_FDOPENDIR +/* Define to 1 if you have the `fexecve' function. */ +#undef HAVE_FEXECVE + /* Define to 1 if you have the `finite' function. */ #undef HAVE_FINITE @@ -274,6 +277,12 @@ /* Define to 1 if you have the `ftruncate' function. */ #undef HAVE_FTRUNCATE +/* Define to 1 if you have the `futimens' function. */ +#undef HAVE_FUTIMENS + +/* Define to 1 if you have the `futimes' function. */ +#undef HAVE_FUTIMES + /* Define to 1 if you have the `futimesat' function. */ #undef HAVE_FUTIMESAT @@ -461,6 +470,9 @@ /* Define to 1 if you have the header file. */ #undef HAVE_LINUX_TIPC_H +/* Define to 1 if you have the `lockf' function. */ +#undef HAVE_LOCKF + /* Define to 1 if you have the `log1p' function. */ #undef HAVE_LOG1P @@ -473,6 +485,9 @@ /* Define to 1 if you have the `lstat' function. */ #undef HAVE_LSTAT +/* Define to 1 if you have the `lutimes' function. */ +#undef HAVE_LUTIMES + /* Define this if you have the makedev macro. */ #undef HAVE_MAKEDEV @@ -545,6 +560,15 @@ /* Define to 1 if you have the header file. */ #undef HAVE_POLL_H +/* Define to 1 if you have the `posix_fadvise' function. */ +#undef HAVE_POSIX_FADVISE + +/* Define to 1 if you have the `posix_fallocate' function. */ +#undef HAVE_POSIX_FALLOCATE + +/* Define to 1 if you have the `pread' function. */ +#undef HAVE_PREAD + /* Define to 1 if you have the header file. */ #undef HAVE_PROCESS_H @@ -569,12 +593,18 @@ /* Define to 1 if you have the `putenv' function. */ #undef HAVE_PUTENV +/* Define to 1 if you have the `pwrite' function. */ +#undef HAVE_PWRITE + /* Define to 1 if you have the `readlink' function. */ #undef HAVE_READLINK /* Define to 1 if you have the `readlinkat' function. */ #undef HAVE_READLINKAT +/* Define to 1 if you have the `readv' function. */ +#undef HAVE_READV + /* Define to 1 if you have the `realpath' function. */ #undef HAVE_REALPATH @@ -775,6 +805,9 @@ /* Define to 1 if you have the `symlinkat' function. */ #undef HAVE_SYMLINKAT +/* Define to 1 if you have the `sync' function. */ +#undef HAVE_SYNC + /* Define to 1 if you have the `sysconf' function. */ #undef HAVE_SYSCONF @@ -952,6 +985,9 @@ /* Define to 1 if you have the `wait4' function. */ #undef HAVE_WAIT4 +/* Define to 1 if you have the `waitid' function. */ +#undef HAVE_WAITID + /* Define to 1 if you have the `waitpid' function. */ #undef HAVE_WAITPID @@ -971,6 +1007,9 @@ */ #undef HAVE_WORKING_TZSET +/* Define to 1 if you have the `writev' function. */ +#undef HAVE_WRITEV + /* Define if the zlib library has inflateCopy */ #undef HAVE_ZLIB_COPY