diff options
Diffstat (limited to 'Modules/posixmodule.c')
-rw-r--r-- | Modules/posixmodule.c | 1016 |
1 files changed, 998 insertions, 18 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index 89d3f2f2d0..8332cfe141 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -95,6 +95,20 @@ corresponding Unix manual entries for more information on calls."); #include <langinfo.h> #endif +#ifdef HAVE_SYS_SENDFILE_H +#include <sys/sendfile.h> +#endif + +#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__APPLE__) +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif + +#ifdef HAVE_SYS_UIO_H +#include <sys/uio.h> +#endif +#endif + /* Various compilers have only certain posix functions */ /* XXX Gosh I wish these were all moved into pyconfig.h */ #if defined(PYCC_VACPP) && defined(PYOS_OS2) @@ -121,7 +135,7 @@ corresponding Unix manual entries for more information on calls."); #ifdef _MSC_VER /* Microsoft compiler */ #define HAVE_GETCWD 1 #define HAVE_GETPPID 1 -#define HAVE_GETLOGIN 1 +#define HAVE_GETLOGIN 1 #define HAVE_SPAWNV 1 #define HAVE_EXECV 1 #define HAVE_PIPE 1 @@ -349,6 +363,19 @@ static int win32_can_symlink = 0; #endif #endif +static int +_parse_off_t(PyObject* arg, void* addr) +{ +#if !defined(HAVE_LARGEFILE_SUPPORT) + *((off_t*)addr) = PyLong_AsLong(arg); +#else + *((off_t*)addr) = PyLong_AsLongLong(arg); +#endif + if (PyErr_Occurred()) + return 0; + return 1; +} + #if defined _MSC_VER && _MSC_VER >= 1400 /* Microsoft CRT in VS2005 and higher will verify that a filehandle is * valid and throw an assertion if it isn't. @@ -1283,7 +1310,7 @@ win32_xstat_w(const wchar_t *path, struct win32_stat *result, BOOL traverse) The _w represent Unicode equivalents of the aforementioned ANSI functions. */ -static int +static int win32_lstat(const char* path, struct win32_stat *result) { return win32_xstat(path, result, FALSE); @@ -1301,7 +1328,7 @@ win32_stat(const char* path, struct win32_stat *result) return win32_xstat(path, result, TRUE); } -static int +static int win32_stat_w(const wchar_t* path, struct win32_stat *result) { return win32_xstat_w(path, result, TRUE); @@ -2339,7 +2366,7 @@ posix_listdir(PyObject *self, PyObject *args) if (PyArg_ParseTuple(args, "|U:listdir", &po)) { WIN32_FIND_DATAW wFileData; Py_UNICODE *wnamebuf, *po_wchars; - + if (po == NULL) { /* Default arg: "." */ po_wchars = L"."; len = 1; @@ -2650,6 +2677,76 @@ posix_listdir(PyObject *self, PyObject *args) #endif /* which OS */ } /* end of posix_listdir */ +#ifdef HAVE_FDOPENDIR +PyDoc_STRVAR(posix_fdlistdir__doc__, +"fdlistdir(fd) -> list_of_strings\n\n\ +Like listdir(), but uses a file descriptor instead.\n\ +After succesful execution of this function, fd will be closed."); + +static PyObject * +posix_fdlistdir(PyObject *self, PyObject *args) +{ + PyObject *d, *v; + DIR *dirp; + struct dirent *ep; + int fd; + + errno = 0; + if (!PyArg_ParseTuple(args, "i:fdlistdir", &fd)) + return NULL; + Py_BEGIN_ALLOW_THREADS + dirp = fdopendir(fd); + Py_END_ALLOW_THREADS + if (dirp == NULL) { + close(fd); + return posix_error(); + } + if ((d = PyList_New(0)) == NULL) { + Py_BEGIN_ALLOW_THREADS + closedir(dirp); + Py_END_ALLOW_THREADS + return NULL; + } + for (;;) { + errno = 0; + Py_BEGIN_ALLOW_THREADS + ep = readdir(dirp); + Py_END_ALLOW_THREADS + if (ep == NULL) { + if (errno == 0) { + break; + } else { + Py_BEGIN_ALLOW_THREADS + closedir(dirp); + Py_END_ALLOW_THREADS + Py_DECREF(d); + return posix_error(); + } + } + if (ep->d_name[0] == '.' && + (NAMLEN(ep) == 1 || + (ep->d_name[1] == '.' && NAMLEN(ep) == 2))) + continue; + v = PyUnicode_DecodeFSDefaultAndSize(ep->d_name, NAMLEN(ep)); + if (v == NULL) { + Py_CLEAR(d); + break; + } + if (PyList_Append(d, v) != 0) { + Py_DECREF(v); + Py_CLEAR(d); + break; + } + Py_DECREF(v); + } + Py_BEGIN_ALLOW_THREADS + closedir(dirp); + Py_END_ALLOW_THREADS + + return d; +} +#endif + #ifdef MS_WINDOWS /* A helper function for abspath on win32 */ static PyObject * @@ -2741,7 +2838,7 @@ posix__getfinalpathname(PyObject *self, PyObject *args) int result_length; PyObject *result; wchar_t *path; - + if (!PyArg_ParseTuple(args, "u|:_getfinalpathname", &path)) { return NULL; } @@ -2762,7 +2859,7 @@ posix__getfinalpathname(PyObject *self, PyObject *args) /* FILE_FLAG_BACKUP_SEMANTICS is required to open a directory */ FILE_FLAG_BACKUP_SEMANTICS, NULL); - + if(hFile == INVALID_HANDLE_VALUE) { return win32_error_unicode("GetFinalPathNamyByHandle", path); return PyErr_Format(PyExc_RuntimeError, @@ -2930,6 +3027,52 @@ posix_nice(PyObject *self, PyObject *args) } #endif /* HAVE_NICE */ + +#ifdef HAVE_GETPRIORITY +PyDoc_STRVAR(posix_getpriority__doc__, +"getpriority(which, who) -> current_priority\n\n\ +Get program scheduling priority."); + +static PyObject * +posix_getpriority(PyObject *self, PyObject *args) +{ + int which, who, retval; + + if (!PyArg_ParseTuple(args, "ii", &which, &who)) + return NULL; + errno = 0; + Py_BEGIN_ALLOW_THREADS + retval = getpriority(which, who); + Py_END_ALLOW_THREADS + if (errno != 0) + return posix_error(); + return PyLong_FromLong((long)retval); +} +#endif /* HAVE_GETPRIORITY */ + + +#ifdef HAVE_SETPRIORITY +PyDoc_STRVAR(posix_setpriority__doc__, +"setpriority(which, who, prio) -> None\n\n\ +Set program scheduling priority."); + +static PyObject * +posix_setpriority(PyObject *self, PyObject *args) +{ + int which, who, prio, retval; + + if (!PyArg_ParseTuple(args, "iii", &which, &who, &prio)) + return NULL; + Py_BEGIN_ALLOW_THREADS + retval = setpriority(which, who, prio); + Py_END_ALLOW_THREADS + if (retval == -1) + return posix_error(); + Py_RETURN_NONE; +} +#endif /* HAVE_SETPRIORITY */ + + PyDoc_STRVAR(posix_rename__doc__, "rename(old, new)\n\n\ Rename a file or directory."); @@ -3072,7 +3215,7 @@ BOOL WINAPI Py_DeleteFileW(LPCWSTR lpFileName) if (GetFileAttributesExW(lpFileName, GetFileExInfoStandard, &info)) { is_directory = info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY; - + /* Get WIN32_FIND_DATA structure for the path to determine if it is a symlink */ if(is_directory && @@ -4262,7 +4405,7 @@ posix_getgroups(PyObject *self, PyObject *noargs) #endif gid_t grouplist[MAX_GROUPS]; - /* On MacOSX getgroups(2) can return more than MAX_GROUPS results + /* On MacOSX getgroups(2) can return more than MAX_GROUPS results * This is a helper variable to store the intermediate result when * that happens. * @@ -4478,15 +4621,15 @@ static PyObject * posix_getlogin(PyObject *self, PyObject *noargs) { PyObject *result = NULL; -#ifdef MS_WINDOWS +#ifdef MS_WINDOWS wchar_t user_name[UNLEN + 1]; DWORD num_chars = sizeof(user_name)/sizeof(user_name[0]); if (GetUserNameW(user_name, &num_chars)) { /* num_chars is the number of unicode chars plus null terminator */ result = PyUnicode_FromWideChar(user_name, num_chars - 1); - } - else + } + else result = PyErr_SetFromWindowsErr(GetLastError()); #else char *name; @@ -5170,12 +5313,12 @@ win_readlink(PyObject *self, PyObject *args) FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, 0); Py_END_ALLOW_THREADS - + if (reparse_point_handle==INVALID_HANDLE_VALUE) { return win32_error_unicode("readlink", path); } - + Py_BEGIN_ALLOW_THREADS /* New call DeviceIoControl to read the reparse point */ io_result = DeviceIoControl( @@ -5246,7 +5389,7 @@ win_symlink(PyObject *self, PyObject *args, PyObject *kwargs) int target_is_directory = 0; DWORD res; WIN32_FILE_ATTRIBUTE_DATA src_info; - + if (!check_CreateSymbolicLinkW()) { /* raise NotImplementedError */ @@ -5265,7 +5408,7 @@ win_symlink(PyObject *self, PyObject *args, PyObject *kwargs) Py_DECREF(src); return NULL; } - + /* if src is a directory, ensure target_is_directory==1 */ if( GetFileAttributesExW( @@ -5288,7 +5431,7 @@ win_symlink(PyObject *self, PyObject *args, PyObject *kwargs) { return win32_error_unicode("symlink", PyUnicode_AsUnicode(src)); } - + Py_INCREF(Py_None); return Py_None; } @@ -5628,8 +5771,7 @@ posix_lseek(PyObject *self, PyObject *args) #if !defined(HAVE_LARGEFILE_SUPPORT) pos = PyLong_AsLong(posobj); #else - pos = PyLong_Check(posobj) ? - PyLong_AsLongLong(posobj) : PyLong_AsLong(posobj); + pos = PyLong_AsLongLong(posobj); #endif if (PyErr_Occurred()) return NULL; @@ -5723,6 +5865,196 @@ posix_write(PyObject *self, PyObject *args) return PyLong_FromSsize_t(size); } +#ifdef HAVE_SENDFILE +#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__APPLE__) +static Py_ssize_t +iov_setup(struct iovec **iov, Py_buffer **buf, PyObject *seq, int cnt, int type) +{ + int i, j; + Py_ssize_t blen, total = 0; + + *iov = PyMem_New(struct iovec, cnt); + if (*iov == NULL) { + PyErr_NoMemory(); + return total; + } + + *buf = PyMem_New(Py_buffer, cnt); + if (*buf == NULL) { + PyMem_Del(*iov); + PyErr_NoMemory(); + return total; + } + + for (i = 0; i < cnt; i++) { + if (PyObject_GetBuffer(PySequence_GetItem(seq, i), + &(*buf)[i], type) == -1) { + PyMem_Del(*iov); + for (j = 0; j < i; j++) { + PyBuffer_Release(&(*buf)[j]); + } + PyMem_Del(*buf); + total = 0; + return total; + } + (*iov)[i].iov_base = (*buf)[i].buf; + blen = (*buf)[i].len; + (*iov)[i].iov_len = blen; + total += blen; + } + return total; +} + +static void +iov_cleanup(struct iovec *iov, Py_buffer *buf, int cnt) +{ + int i; + PyMem_Del(iov); + for (i = 0; i < cnt; i++) { + PyBuffer_Release(&buf[i]); + } + PyMem_Del(buf); +} +#endif + +PyDoc_STRVAR(posix_sendfile__doc__, +"sendfile(out, in, offset, nbytes) -> byteswritten\n\ +sendfile(out, in, offset, nbytes, headers=None, trailers=None, flags=0)\n\ + -> byteswritten\n\ +Copy nbytes bytes from file descriptor in to file descriptor out."); + +static PyObject * +posix_sendfile(PyObject *self, PyObject *args, PyObject *kwdict) +{ + int in, out; + Py_ssize_t ret; + off_t offset; + +#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__APPLE__) +#ifndef __APPLE__ + Py_ssize_t len; +#endif + PyObject *headers = NULL, *trailers = NULL; + Py_buffer *hbuf, *tbuf; + off_t sbytes; + struct sf_hdtr sf; + int flags = 0; + sf.headers = NULL; + sf.trailers = NULL; + static char *keywords[] = {"out", "in", + "offset", "count", + "headers", "trailers", "flags", NULL}; + +#ifdef __APPLE__ + if (!PyArg_ParseTupleAndKeywords(args, kwdict, "iiO&O&|OOi:sendfile", + keywords, &out, &in, _parse_off_t, &offset, _parse_off_t, &sbytes, +#else + if (!PyArg_ParseTupleAndKeywords(args, kwdict, "iiO&n|OOi:sendfile", + keywords, &out, &in, _parse_off_t, &offset, &len, +#endif + &headers, &trailers, &flags)) + return NULL; + if (headers != NULL) { + if (!PySequence_Check(headers)) { + PyErr_SetString(PyExc_TypeError, + "sendfile() headers must be a sequence or None"); + return NULL; + } else { + Py_ssize_t i = 0; /* Avoid uninitialized warning */ + sf.hdr_cnt = PySequence_Size(headers); + if (sf.hdr_cnt > 0 && + !(i = iov_setup(&(sf.headers), &hbuf, + headers, sf.hdr_cnt, PyBUF_SIMPLE))) + return NULL; +#ifdef __APPLE__ + sbytes += i; +#endif + } + } + if (trailers != NULL) { + if (!PySequence_Check(trailers)) { + PyErr_SetString(PyExc_TypeError, + "sendfile() trailers must be a sequence or None"); + return NULL; + } else { + Py_ssize_t i = 0; /* Avoid uninitialized warning */ + sf.trl_cnt = PySequence_Size(trailers); + if (sf.trl_cnt > 0 && + !(i = iov_setup(&(sf.trailers), &tbuf, + trailers, sf.trl_cnt, PyBUF_SIMPLE))) + return NULL; +#ifdef __APPLE__ + sbytes += i; +#endif + } + } + + Py_BEGIN_ALLOW_THREADS +#ifdef __APPLE__ + ret = sendfile(in, out, offset, &sbytes, &sf, flags); +#else + ret = sendfile(in, out, offset, len, &sf, &sbytes, flags); +#endif + Py_END_ALLOW_THREADS + + if (sf.headers != NULL) + iov_cleanup(sf.headers, hbuf, sf.hdr_cnt); + if (sf.trailers != NULL) + iov_cleanup(sf.trailers, tbuf, sf.trl_cnt); + + if (ret < 0) { + if ((errno == EAGAIN) || (errno == EBUSY)) { + if (sbytes != 0) { + // some data has been sent + goto done; + } + else { + // no data has been sent; upper application is supposed + // to retry on EAGAIN or EBUSY + return posix_error(); + } + } + return posix_error(); + } + goto done; + +done: + #if !defined(HAVE_LARGEFILE_SUPPORT) + return Py_BuildValue("l", sbytes); + #else + return Py_BuildValue("L", sbytes); + #endif + +#else + Py_ssize_t count; + PyObject *offobj; + static char *keywords[] = {"out", "in", + "offset", "count", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwdict, "iiOn:sendfile", + keywords, &out, &in, &offobj, &count)) + return NULL; +#ifdef linux + if (offobj == Py_None) { + Py_BEGIN_ALLOW_THREADS + ret = sendfile(out, in, NULL, count); + Py_END_ALLOW_THREADS + if (ret < 0) + return posix_error(); + Py_INCREF(Py_None); + return Py_BuildValue("nO", ret, Py_None); + } +#endif + if (!_parse_off_t(offobj, &offset)) + return NULL; + Py_BEGIN_ALLOW_THREADS + ret = sendfile(out, in, &offset, count); + Py_END_ALLOW_THREADS + if (ret < 0) + return posix_error(); + return Py_BuildValue("n", ret); +#endif +} +#endif PyDoc_STRVAR(posix_fstat__doc__, "fstat(fd) -> stat result\n\n\ @@ -7762,6 +8094,552 @@ posix_getresgid (PyObject *self, PyObject *noargs) } #endif +/* Posix *at family of functions: + faccessat, fchmodat, fchownat, fstatat, futimesat, + linkat, mkdirat, mknodat, openat, readlinkat, renameat, symlinkat, + unlinkat, utimensat, mkfifoat */ + +#ifdef HAVE_FACCESSAT +PyDoc_STRVAR(posix_faccessat__doc__, +"faccessat(dirfd, path, mode, flags=0) -> True if granted, False otherwise\n\n\ +Like access() but if path is relative, it is taken as relative to dirfd.\n\ +flags is optional and can be constructed by ORing together zero or more\n\ +of these values: AT_SYMLINK_NOFOLLOW, AT_EACCESS.\n\ +If path is relative and dirfd is the special value AT_FDCWD, then path\n\ +is interpreted relative to the current working directory."); + +static PyObject * +posix_faccessat(PyObject *self, PyObject *args) +{ + PyObject *opath; + char *path; + int mode; + int res; + int dirfd, flags = 0; + if (!PyArg_ParseTuple(args, "iO&i|i:faccessat", + &dirfd, PyUnicode_FSConverter, &opath, &mode, &flags)) + return NULL; + path = PyBytes_AsString(opath); + Py_BEGIN_ALLOW_THREADS + res = faccessat(dirfd, path, mode, flags); + Py_END_ALLOW_THREADS + Py_DECREF(opath); + return PyBool_FromLong(res == 0); +} +#endif + +#ifdef HAVE_FCHMODAT +PyDoc_STRVAR(posix_fchmodat__doc__, +"fchmodat(dirfd, path, mode, flags=0)\n\n\ +Like chmod() but if path is relative, it is taken as relative to dirfd.\n\ +flags is optional and may be 0 or AT_SYMLINK_NOFOLLOW.\n\ +If path is relative and dirfd is the special value AT_FDCWD, then path\n\ +is interpreted relative to the current working directory."); + +static PyObject * +posix_fchmodat(PyObject *self, PyObject *args) +{ + int dirfd, mode, res; + int flags = 0; + PyObject *opath; + char *path; + + if (!PyArg_ParseTuple(args, "iO&i|i:fchmodat", + &dirfd, PyUnicode_FSConverter, &opath, &mode, &flags)) + return NULL; + + path = PyBytes_AsString(opath); + + Py_BEGIN_ALLOW_THREADS + res = fchmodat(dirfd, path, mode, flags); + Py_END_ALLOW_THREADS + Py_DECREF(opath); + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif /* HAVE_FCHMODAT */ + +#ifdef HAVE_FCHOWNAT +PyDoc_STRVAR(posix_fchownat__doc__, +"fchownat(dirfd, path, uid, gid, flags=0)\n\n\ +Like chown() but if path is relative, it is taken as relative to dirfd.\n\ +flags is optional and may be 0 or AT_SYMLINK_NOFOLLOW.\n\ +If path is relative and dirfd is the special value AT_FDCWD, then path\n\ +is interpreted relative to the current working directory."); + +static PyObject * +posix_fchownat(PyObject *self, PyObject *args) +{ + PyObject *opath; + int dirfd, res; + long uid, gid; + int flags = 0; + char *path; + + if (!PyArg_ParseTuple(args, "iO&ll|i:fchownat", + &dirfd, PyUnicode_FSConverter, &opath, &uid, &gid, &flags)) + return NULL; + + path = PyBytes_AsString(opath); + + Py_BEGIN_ALLOW_THREADS + res = fchownat(dirfd, path, (uid_t) uid, (gid_t) gid, flags); + Py_END_ALLOW_THREADS + Py_DECREF(opath); + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif /* HAVE_FCHOWNAT */ + +#ifdef HAVE_FSTATAT +PyDoc_STRVAR(posix_fstatat__doc__, +"fstatat(dirfd, path, flags=0) -> stat result\n\n\ +Like stat() but if path is relative, it is taken as relative to dirfd.\n\ +flags is optional and may be 0 or AT_SYMLINK_NOFOLLOW.\n\ +If path is relative and dirfd is the special value AT_FDCWD, then path\n\ +is interpreted relative to the current working directory."); + +static PyObject * +posix_fstatat(PyObject *self, PyObject *args) +{ + PyObject *opath; + char *path; + STRUCT_STAT st; + int dirfd, res, flags = 0; + + if (!PyArg_ParseTuple(args, "iO&|i:fstatat", + &dirfd, PyUnicode_FSConverter, &opath, &flags)) + return NULL; + path = PyBytes_AsString(opath); + + Py_BEGIN_ALLOW_THREADS + res = fstatat(dirfd, path, &st, flags); + Py_END_ALLOW_THREADS + Py_DECREF(opath); + if (res != 0) + return posix_error(); + + return _pystat_fromstructstat(&st); +} +#endif + +#ifdef HAVE_FUTIMESAT +PyDoc_STRVAR(posix_futimesat__doc__, +"futimesat(dirfd, path, (atime, mtime))\n\ +futimesat(dirfd, path, None)\n\n\ +Like utime() but if path is relative, it is taken as relative to dirfd.\n\ +If path is relative and dirfd is the special value AT_FDCWD, then path\n\ +is interpreted relative to the current working directory."); + +static PyObject * +posix_futimesat(PyObject *self, PyObject *args) +{ + PyObject *opath; + char *path; + int res, dirfd; + PyObject* arg; + + struct timeval buf[2]; + + if (!PyArg_ParseTuple(args, "iO&O:futimesat", + &dirfd, PyUnicode_FSConverter, &opath, &arg)) + return NULL; + path = PyBytes_AsString(opath); + if (arg == Py_None) { + /* optional time values not given */ + Py_BEGIN_ALLOW_THREADS + res = futimesat(dirfd, path, NULL); + Py_END_ALLOW_THREADS + } + else if (!PyTuple_Check(arg) || PyTuple_Size(arg) != 2) { + PyErr_SetString(PyExc_TypeError, + "futimesat() arg 3 must be a tuple (atime, mtime)"); + Py_DECREF(opath); + return NULL; + } + else { + if (extract_time(PyTuple_GET_ITEM(arg, 0), + &(buf[0].tv_sec), &(buf[0].tv_usec)) == -1) { + Py_DECREF(opath); + return NULL; + } + if (extract_time(PyTuple_GET_ITEM(arg, 1), + &(buf[1].tv_sec), &(buf[1].tv_usec)) == -1) { + Py_DECREF(opath); + return NULL; + } + Py_BEGIN_ALLOW_THREADS + res = futimesat(dirfd, path, buf); + Py_END_ALLOW_THREADS + } + Py_DECREF(opath); + if (res < 0) { + return posix_error(); + } + Py_RETURN_NONE; +} +#endif + +#ifdef HAVE_LINKAT +PyDoc_STRVAR(posix_linkat__doc__, +"linkat(srcfd, srcpath, dstfd, dstpath, flags=0)\n\n\ +Like link() but if srcpath is relative, it is taken as relative to srcfd\n\ +and if dstpath is relative, it is taken as relative to dstfd.\n\ +flags is optional and may be 0 or AT_SYMLINK_FOLLOW.\n\ +If srcpath is relative and srcfd is the special value AT_FDCWD, then\n\ +srcpath is interpreted relative to the current working directory. This\n\ +also applies for dstpath."); + +static PyObject * +posix_linkat(PyObject *self, PyObject *args) +{ + PyObject *osrc, *odst; + char *src, *dst; + int res, srcfd, dstfd; + int flags = 0; + + if (!PyArg_ParseTuple(args, "iO&iO&|i:linkat", + &srcfd, PyUnicode_FSConverter, &osrc, &dstfd, PyUnicode_FSConverter, &odst, &flags)) + return NULL; + src = PyBytes_AsString(osrc); + dst = PyBytes_AsString(odst); + Py_BEGIN_ALLOW_THREADS + res = linkat(srcfd, src, dstfd, dst, flags); + Py_END_ALLOW_THREADS + Py_DECREF(osrc); + Py_DECREF(odst); + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif /* HAVE_LINKAT */ + +#ifdef HAVE_MKDIRAT +PyDoc_STRVAR(posix_mkdirat__doc__, +"mkdirat(dirfd, path, mode=0o777)\n\n\ +Like mkdir() but if path is relative, it is taken as relative to dirfd.\n\ +If path is relative and dirfd is the special value AT_FDCWD, then path\n\ +is interpreted relative to the current working directory."); + +static PyObject * +posix_mkdirat(PyObject *self, PyObject *args) +{ + int res, dirfd; + PyObject *opath; + char *path; + int mode = 0777; + + if (!PyArg_ParseTuple(args, "iO&|i:mkdirat", + &dirfd, PyUnicode_FSConverter, &opath, &mode)) + return NULL; + path = PyBytes_AsString(opath); + Py_BEGIN_ALLOW_THREADS + res = mkdirat(dirfd, path, mode); + Py_END_ALLOW_THREADS + Py_DECREF(opath); + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif + +#if defined(HAVE_MKNODAT) && defined(HAVE_MAKEDEV) +PyDoc_STRVAR(posix_mknodat__doc__, +"mknodat(dirfd, path, mode=0o600, device=0)\n\n\ +Like mknod() but if path is relative, it is taken as relative to dirfd.\n\ +If path is relative and dirfd is the special value AT_FDCWD, then path\n\ +is interpreted relative to the current working directory."); + +static PyObject * +posix_mknodat(PyObject *self, PyObject *args) +{ + PyObject *opath; + char *filename; + int mode = 0600; + int device = 0; + int res, dirfd; + if (!PyArg_ParseTuple(args, "iO&|ii:mknodat", &dirfd, + PyUnicode_FSConverter, &opath, &mode, &device)) + return NULL; + filename = PyBytes_AS_STRING(opath); + Py_BEGIN_ALLOW_THREADS + res = mknodat(dirfd, filename, mode, device); + Py_END_ALLOW_THREADS + Py_DECREF(opath); + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif + +#ifdef HAVE_OPENAT +PyDoc_STRVAR(posix_openat__doc__, +"openat(dirfd, path, flag, mode=0o777) -> fd\n\n\ +Like open() but if path is relative, it is taken as relative to dirfd.\n\ +If path is relative and dirfd is the special value AT_FDCWD, then path\n\ +is interpreted relative to the current working directory."); + +static PyObject * +posix_openat(PyObject *self, PyObject *args) +{ + PyObject *ofile; + char *file; + int flag, dirfd, fd; + int mode = 0777; + + if (!PyArg_ParseTuple(args, "iO&i|i:openat", + &dirfd, PyUnicode_FSConverter, &ofile, + &flag, &mode)) + return NULL; + file = PyBytes_AsString(ofile); + Py_BEGIN_ALLOW_THREADS + fd = openat(dirfd, file, flag, mode); + Py_END_ALLOW_THREADS + Py_DECREF(ofile); + if (fd < 0) + return posix_error(); + return PyLong_FromLong((long)fd); +} +#endif + +#ifdef HAVE_READLINKAT +PyDoc_STRVAR(posix_readlinkat__doc__, +"readlinkat(dirfd, path) -> path\n\n\ +Like readlink() but if path is relative, it is taken as relative to dirfd.\n\ +If path is relative and dirfd is the special value AT_FDCWD, then path\n\ +is interpreted relative to the current working directory."); + +static PyObject * +posix_readlinkat(PyObject *self, PyObject *args) +{ + PyObject *v, *opath; + char buf[MAXPATHLEN]; + char *path; + int n, dirfd; + int arg_is_unicode = 0; + + if (!PyArg_ParseTuple(args, "iO&:readlinkat", + &dirfd, PyUnicode_FSConverter, &opath)) + return NULL; + path = PyBytes_AsString(opath); + v = PySequence_GetItem(args, 1); + if (v == NULL) { + Py_DECREF(opath); + return NULL; + } + + if (PyUnicode_Check(v)) { + arg_is_unicode = 1; + } + Py_DECREF(v); + + Py_BEGIN_ALLOW_THREADS + n = readlinkat(dirfd, path, buf, (int) sizeof buf); + Py_END_ALLOW_THREADS + Py_DECREF(opath); + if (n < 0) + return posix_error(); + + if (arg_is_unicode) + return PyUnicode_DecodeFSDefaultAndSize(buf, n); + else + return PyBytes_FromStringAndSize(buf, n); +} +#endif /* HAVE_READLINKAT */ + +#ifdef HAVE_RENAMEAT +PyDoc_STRVAR(posix_renameat__doc__, +"renameat(olddirfd, oldpath, newdirfd, newpath)\n\n\ +Like rename() but if oldpath is relative, it is taken as relative to\n\ +olddirfd and if newpath is relative, it is taken as relative to newdirfd.\n\ +If oldpath is relative and olddirfd is the special value AT_FDCWD, then\n\ +oldpath is interpreted relative to the current working directory. This\n\ +also applies for newpath."); + +static PyObject * +posix_renameat(PyObject *self, PyObject *args) +{ + int res; + PyObject *opathold, *opathnew; + char *opath, *npath; + int oldfd, newfd; + + if (!PyArg_ParseTuple(args, "iO&iO&:renameat", + &oldfd, PyUnicode_FSConverter, &opathold, &newfd, PyUnicode_FSConverter, &opathnew)) + return NULL; + opath = PyBytes_AsString(opathold); + npath = PyBytes_AsString(opathnew); + Py_BEGIN_ALLOW_THREADS + res = renameat(oldfd, opath, newfd, npath); + Py_END_ALLOW_THREADS + Py_DECREF(opathold); + Py_DECREF(opathnew); + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif + +#if HAVE_SYMLINKAT +PyDoc_STRVAR(posix_symlinkat__doc__, +"symlinkat(src, dstfd, dst)\n\n\ +Like symlink() but if dst is relative, it is taken as relative to dstfd.\n\ +If dst is relative and dstfd is the special value AT_FDCWD, then dst\n\ +is interpreted relative to the current working directory."); + +static PyObject * +posix_symlinkat(PyObject *self, PyObject *args) +{ + int res, dstfd; + PyObject *osrc, *odst; + char *src, *dst; + + if (!PyArg_ParseTuple(args, "O&iO&:symlinkat", + PyUnicode_FSConverter, &osrc, &dstfd, PyUnicode_FSConverter, &odst)) + return NULL; + src = PyBytes_AsString(osrc); + dst = PyBytes_AsString(odst); + Py_BEGIN_ALLOW_THREADS + res = symlinkat(src, dstfd, dst); + Py_END_ALLOW_THREADS + Py_DECREF(osrc); + Py_DECREF(odst); + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif /* HAVE_SYMLINKAT */ + +#ifdef HAVE_UNLINKAT +PyDoc_STRVAR(posix_unlinkat__doc__, +"unlinkat(dirfd, path, flags=0)\n\n\ +Like unlink() but if path is relative, it is taken as relative to dirfd.\n\ +flags is optional and may be 0 or AT_REMOVEDIR. If AT_REMOVEDIR is\n\ +specified, unlinkat() behaves like rmdir().\n\ +If path is relative and dirfd is the special value AT_FDCWD, then path\n\ +is interpreted relative to the current working directory."); + +static PyObject * +posix_unlinkat(PyObject *self, PyObject *args) +{ + int dirfd, res, flags = 0; + PyObject *opath; + char *path; + + if (!PyArg_ParseTuple(args, "iO&|i:unlinkat", + &dirfd, PyUnicode_FSConverter, &opath, &flags)) + return NULL; + path = PyBytes_AsString(opath); + Py_BEGIN_ALLOW_THREADS + res = unlinkat(dirfd, path, flags); + Py_END_ALLOW_THREADS + Py_DECREF(opath); + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif + +#ifdef HAVE_UTIMENSAT +PyDoc_STRVAR(posix_utimensat__doc__, +"utimensat(dirfd, path, (atime_sec, atime_nsec),\n\ + (mtime_sec, mtime_nsec), flags)\n\ +utimensat(dirfd, path, None, None, flags)\n\n\ +Updates the timestamps of a file with nanosecond precision. If path is\n\ +relative, it is taken as relative to dirfd.\n\ +The second form sets atime and mtime to the current time.\n\ +flags is optional and may be 0 or AT_SYMLINK_NOFOLLOW.\n\ +If path is relative and dirfd is the special value AT_FDCWD, then path\n\ +is interpreted relative to the current working directory.\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_utimensat(PyObject *self, PyObject *args) +{ + PyObject *opath; + char *path; + int res, dirfd, flags = 0; + PyObject *atime, *mtime; + + struct timespec buf[2]; + + if (!PyArg_ParseTuple(args, "iO&OO|i:utimensat", + &dirfd, PyUnicode_FSConverter, &opath, &atime, &mtime, &flags)) + return NULL; + path = PyBytes_AsString(opath); + if (atime == Py_None && mtime == Py_None) { + /* optional time values not given */ + Py_BEGIN_ALLOW_THREADS + res = utimensat(dirfd, path, NULL, flags); + Py_END_ALLOW_THREADS + } + else if (!PyTuple_Check(atime) || PyTuple_Size(atime) != 2) { + PyErr_SetString(PyExc_TypeError, + "utimensat() arg 3 must be a tuple (atime_sec, atime_nsec)"); + Py_DECREF(opath); + return NULL; + } + else if (!PyTuple_Check(mtime) || PyTuple_Size(mtime) != 2) { + PyErr_SetString(PyExc_TypeError, + "utimensat() arg 4 must be a tuple (mtime_sec, mtime_nsec)"); + Py_DECREF(opath); + return NULL; + } + else { + if (!PyArg_ParseTuple(atime, "ll:utimensat", + &(buf[0].tv_sec), &(buf[0].tv_nsec))) { + Py_DECREF(opath); + return NULL; + } + if (!PyArg_ParseTuple(mtime, "ll:utimensat", + &(buf[1].tv_sec), &(buf[1].tv_nsec))) { + Py_DECREF(opath); + return NULL; + } + Py_BEGIN_ALLOW_THREADS + res = utimensat(dirfd, path, buf, flags); + Py_END_ALLOW_THREADS + } + Py_DECREF(opath); + if (res < 0) { + return posix_error(); + } + Py_RETURN_NONE; +} +#endif + +#ifdef HAVE_MKFIFOAT +PyDoc_STRVAR(posix_mkfifoat__doc__, +"mkfifoat(dirfd, path, mode=0o666)\n\n\ +Like mkfifo() but if path is relative, it is taken as relative to dirfd.\n\ +If path is relative and dirfd is the special value AT_FDCWD, then path\n\ +is interpreted relative to the current working directory."); + +static PyObject * +posix_mkfifoat(PyObject *self, PyObject *args) +{ + PyObject *opath; + char *filename; + int mode = 0666; + int res, dirfd; + if (!PyArg_ParseTuple(args, "iO&|i:mkfifoat", + &dirfd, PyUnicode_FSConverter, &opath, &mode)) + return NULL; + filename = PyBytes_AS_STRING(opath); + Py_BEGIN_ALLOW_THREADS + res = mkfifoat(dirfd, filename, mode); + Py_END_ALLOW_THREADS + Py_DECREF(opath); + if (res < 0) + return posix_error(); + Py_RETURN_NONE; +} +#endif + static PyMethodDef posix_methods[] = { {"access", posix_access, METH_VARARGS, posix_access__doc__}, #ifdef HAVE_TTYNAME @@ -7806,11 +8684,20 @@ static PyMethodDef posix_methods[] = { {"link", posix_link, METH_VARARGS, posix_link__doc__}, #endif /* HAVE_LINK */ {"listdir", posix_listdir, METH_VARARGS, posix_listdir__doc__}, +#ifdef HAVE_FDOPENDIR + {"fdlistdir", posix_fdlistdir, METH_VARARGS, posix_fdlistdir__doc__}, +#endif {"lstat", posix_lstat, METH_VARARGS, posix_lstat__doc__}, {"mkdir", posix_mkdir, METH_VARARGS, posix_mkdir__doc__}, #ifdef HAVE_NICE {"nice", posix_nice, METH_VARARGS, posix_nice__doc__}, #endif /* HAVE_NICE */ +#ifdef HAVE_GETPRIORITY + {"getpriority", posix_getpriority, METH_VARARGS, posix_getpriority__doc__}, +#endif /* HAVE_GETPRIORITY */ +#ifdef HAVE_SETPRIORITY + {"setpriority", posix_setpriority, METH_VARARGS, posix_setpriority__doc__}, +#endif /* HAVE_SETPRIORITY */ #ifdef HAVE_READLINK {"readlink", posix_readlink, METH_VARARGS, posix_readlink__doc__}, #endif /* HAVE_READLINK */ @@ -7971,6 +8858,10 @@ static PyMethodDef posix_methods[] = { {"lseek", posix_lseek, METH_VARARGS, posix_lseek__doc__}, {"read", posix_read, METH_VARARGS, posix_read__doc__}, {"write", posix_write, METH_VARARGS, posix_write__doc__}, +#ifdef HAVE_SENDFILE + {"sendfile", (PyCFunction)posix_sendfile, METH_VARARGS | METH_KEYWORDS, + posix_sendfile__doc__}, +#endif {"fstat", posix_fstat, METH_VARARGS, posix_fstat__doc__}, {"isatty", posix_isatty, METH_VARARGS, posix_isatty__doc__}, #ifdef HAVE_PIPE @@ -8078,6 +8969,52 @@ static PyMethodDef posix_methods[] = { {"getresgid", posix_getresgid, METH_NOARGS, posix_getresgid__doc__}, #endif +/* posix *at family of functions */ +#ifdef HAVE_FACCESSAT + {"faccessat", posix_faccessat, METH_VARARGS, posix_faccessat__doc__}, +#endif +#ifdef HAVE_FCHMODAT + {"fchmodat", posix_fchmodat, METH_VARARGS, posix_fchmodat__doc__}, +#endif /* HAVE_FCHMODAT */ +#ifdef HAVE_FCHOWNAT + {"fchownat", posix_fchownat, METH_VARARGS, posix_fchownat__doc__}, +#endif /* HAVE_FCHOWNAT */ +#ifdef HAVE_FSTATAT + {"fstatat", posix_fstatat, METH_VARARGS, posix_fstatat__doc__}, +#endif +#ifdef HAVE_FUTIMESAT + {"futimesat", posix_futimesat, METH_VARARGS, posix_futimesat__doc__}, +#endif +#ifdef HAVE_LINKAT + {"linkat", posix_linkat, METH_VARARGS, posix_linkat__doc__}, +#endif /* HAVE_LINKAT */ +#ifdef HAVE_MKDIRAT + {"mkdirat", posix_mkdirat, METH_VARARGS, posix_mkdirat__doc__}, +#endif +#if defined(HAVE_MKNODAT) && defined(HAVE_MAKEDEV) + {"mknodat", posix_mknodat, METH_VARARGS, posix_mknodat__doc__}, +#endif +#ifdef HAVE_OPENAT + {"openat", posix_openat, METH_VARARGS, posix_openat__doc__}, +#endif +#ifdef HAVE_READLINKAT + {"readlinkat", posix_readlinkat, METH_VARARGS, posix_readlinkat__doc__}, +#endif /* HAVE_READLINKAT */ +#ifdef HAVE_RENAMEAT + {"renameat", posix_renameat, METH_VARARGS, posix_renameat__doc__}, +#endif +#if HAVE_SYMLINKAT + {"symlinkat", posix_symlinkat, METH_VARARGS, posix_symlinkat__doc__}, +#endif /* HAVE_SYMLINKAT */ +#ifdef HAVE_UNLINKAT + {"unlinkat", posix_unlinkat, METH_VARARGS, posix_unlinkat__doc__}, +#endif +#ifdef HAVE_UTIMENSAT + {"utimensat", posix_utimensat, METH_VARARGS, posix_utimensat__doc__}, +#endif +#ifdef HAVE_MKFIFOAT + {"mkfifoat", posix_mkfifoat, METH_VARARGS, posix_mkfifoat__doc__}, +#endif {NULL, NULL} /* Sentinel */ }; @@ -8254,6 +9191,38 @@ all_ins(PyObject *d) #ifdef O_EXLOCK if (ins(d, "O_EXLOCK", (long)O_EXLOCK)) return -1; #endif +#ifdef PRIO_PROCESS + if (ins(d, "PRIO_PROCESS", (long)PRIO_PROCESS)) return -1; +#endif +#ifdef PRIO_PGRP + if (ins(d, "PRIO_PGRP", (long)PRIO_PGRP)) return -1; +#endif +#ifdef PRIO_USER + if (ins(d, "PRIO_USER", (long)PRIO_USER)) return -1; +#endif +/* posix - constants for *at functions */ +#ifdef AT_SYMLINK_NOFOLLOW + if (ins(d, "AT_SYMLINK_NOFOLLOW", (long)AT_SYMLINK_NOFOLLOW)) return -1; +#endif +#ifdef AT_EACCESS + if (ins(d, "AT_EACCESS", (long)AT_EACCESS)) return -1; +#endif +#ifdef AT_FDCWD + if (ins(d, "AT_FDCWD", (long)AT_FDCWD)) return -1; +#endif +#ifdef AT_REMOVEDIR + if (ins(d, "AT_REMOVEDIR", (long)AT_REMOVEDIR)) return -1; +#endif +#ifdef AT_SYMLINK_FOLLOW + if (ins(d, "AT_SYMLINK_FOLLOW", (long)AT_SYMLINK_FOLLOW)) return -1; +#endif +#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 + /* MS Windows */ #ifdef O_NOINHERIT @@ -8362,6 +9331,17 @@ all_ins(PyObject *d) if (ins(d, "ST_NOSUID", (long)ST_NOSUID)) return -1; #endif /* ST_NOSUID */ + /* FreeBSD sendfile() constants */ +#ifdef SF_NODISKIO + if (ins(d, "SF_NODISKIO", (long)SF_NODISKIO)) return -1; +#endif +#ifdef SF_MNOWAIT + if (ins(d, "SF_MNOWAIT", (long)SF_MNOWAIT)) return -1; +#endif +#ifdef SF_SYNC + if (ins(d, "SF_SYNC", (long)SF_SYNC)) return -1; +#endif + #ifdef HAVE_SPAWNV #if defined(PYOS_OS2) && defined(PYCC_GCC) if (ins(d, "P_WAIT", (long)P_WAIT)) return -1; |