summaryrefslogtreecommitdiffstats
path: root/Doc/c-api
diff options
context:
space:
mode:
authorChristian Heimes <christian@cheimes.de>2007-12-02 15:22:16 (GMT)
committerChristian Heimes <christian@cheimes.de>2007-12-02 15:22:16 (GMT)
commitd8654cf758c730af430026a5b20810bebceba4d7 (patch)
treecba77a4cce70773ed2bf00d183459101c53dfd26 /Doc/c-api
parentb27ce7e46843841e8e8f2c9e5108044d022ae248 (diff)
downloadcpython-d8654cf758c730af430026a5b20810bebceba4d7.zip
cpython-d8654cf758c730af430026a5b20810bebceba4d7.tar.gz
cpython-d8654cf758c730af430026a5b20810bebceba4d7.tar.bz2
Merged revisions 59259-59274 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r59260 | lars.gustaebel | 2007-12-01 22:02:12 +0100 (Sat, 01 Dec 2007) | 5 lines Issue #1531: Read fileobj from the current offset, do not seek to the start. (will backport to 2.5) ........ r59262 | georg.brandl | 2007-12-01 23:24:47 +0100 (Sat, 01 Dec 2007) | 4 lines Document PyEval_* functions from ceval.c. Credits to Michael Sloan from GHOP. ........ r59263 | georg.brandl | 2007-12-01 23:27:56 +0100 (Sat, 01 Dec 2007) | 2 lines Add a few refcount data entries. ........ r59264 | georg.brandl | 2007-12-01 23:38:48 +0100 (Sat, 01 Dec 2007) | 4 lines Add test suite for cmd module. Written by Michael Schneider for GHOP. ........ r59265 | georg.brandl | 2007-12-01 23:42:46 +0100 (Sat, 01 Dec 2007) | 3 lines Add examples to the ElementTree documentation. Written by h4wk.cz for GHOP. ........ r59266 | georg.brandl | 2007-12-02 00:12:45 +0100 (Sun, 02 Dec 2007) | 3 lines Add "Using Python on Windows" document, by Robert Lehmann. Written for GHOP. ........ r59271 | georg.brandl | 2007-12-02 15:34:34 +0100 (Sun, 02 Dec 2007) | 3 lines Add example to mmap docs. Written for GHOP by Rafal Rawicki. ........ r59272 | georg.brandl | 2007-12-02 15:37:29 +0100 (Sun, 02 Dec 2007) | 2 lines Convert bdb.rst line endings to Unix style. ........ r59274 | georg.brandl | 2007-12-02 15:58:50 +0100 (Sun, 02 Dec 2007) | 4 lines Add more entries to the glossary. Written by Jeff Wheeler for GHOP. ........
Diffstat (limited to 'Doc/c-api')
-rw-r--r--Doc/c-api/init.rst48
-rw-r--r--Doc/c-api/utilities.rst49
-rw-r--r--Doc/c-api/veryhigh.rst37
3 files changed, 134 insertions, 0 deletions
diff --git a/Doc/c-api/init.rst b/Doc/c-api/init.rst
index 3467ed7..11cd551 100644
--- a/Doc/c-api/init.rst
+++ b/Doc/c-api/init.rst
@@ -615,6 +615,14 @@ supports the creation of additional interpreters (using
deadlock ensues. (This function is available even when thread support is
disabled at compile time.)
+
+.. cfunction:: void PyEval_ReInitThreads()
+
+ This function is called from :cfunc:`PyOS_AfterFork` to ensure that newly
+ created child processes don't hold locks referring to threads which
+ are not running in the child process.
+
+
The following macros are normally used without a trailing semicolon; look for
example usage in the Python source distribution.
@@ -876,6 +884,46 @@ in previous versions.
:cfunc:`PyEval_SetProfile`, except the tracing function does receive line-number
events.
+.. cfunction:: PyObject* PyEval_GetCallStats(PyObject *self)
+
+ Return a tuple of function call counts. There are constants defined for the
+ positions within the tuple:
+
+ +-------------------------------+-------+
+ | Name | Value |
+ +===============================+=======+
+ | :const:`PCALL_ALL` | 0 |
+ +-------------------------------+-------+
+ | :const:`PCALL_FUNCTION` | 1 |
+ +-------------------------------+-------+
+ | :const:`PCALL_FAST_FUNCTION` | 2 |
+ +-------------------------------+-------+
+ | :const:`PCALL_FASTER_FUNCTION`| 3 |
+ +-------------------------------+-------+
+ | :const:`PCALL_METHOD` | 4 |
+ +-------------------------------+-------+
+ | :const:`PCALL_BOUND_METHOD` | 5 |
+ +-------------------------------+-------+
+ | :const:`PCALL_CFUNCTION` | 6 |
+ +-------------------------------+-------+
+ | :const:`PCALL_TYPE` | 7 |
+ +-------------------------------+-------+
+ | :const:`PCALL_GENERATOR` | 8 |
+ +-------------------------------+-------+
+ | :const:`PCALL_OTHER` | 9 |
+ +-------------------------------+-------+
+ | :const:`PCALL_POP` | 10 |
+ +-------------------------------+-------+
+
+ :const:`PCALL_FAST_FUNCTION` means no argument tuple needs to be created.
+ :const:`PCALL_FASTER_FUNCTION` means that the fast-path frame setup code is used.
+
+ If there is a method call where the call can be optimized by changing
+ the argument tuple and calling the function directly, it gets recorded
+ twice.
+
+ This function is only present if Python is compiled with :const:`CALL_PROFILE`
+ defined.
.. _advanced-debugging:
diff --git a/Doc/c-api/utilities.rst b/Doc/c-api/utilities.rst
index 35bfe86..0dfb946 100644
--- a/Doc/c-api/utilities.rst
+++ b/Doc/c-api/utilities.rst
@@ -989,3 +989,52 @@ The following functions provide locale-independent string to number conversions.
See the Unix man page :manpage:`atof(2)` for details.
+
+.. _reflection:
+
+Reflection
+==========
+
+.. cfunction:: PyObject* PyEval_GetBuiltins()
+
+ Return a dictionary of the builtins in the current execution frame,
+ or the interpreter of the thread state if no frame is currently executing.
+
+
+.. cfunction:: PyObject* PyEval_GetLocals()
+
+ Return a dictionary of the local variables in the current execution frame,
+ or *NULL* if no frame is currently executing.
+
+
+.. cfunction:: PyObject* PyEval_GetGlobals()
+
+ Return a dictionary of the global variables in the current execution frame,
+ or *NULL* if no frame is currently executing.
+
+
+.. cfunction:: PyFrameObject* PyEval_GetFrame()
+
+ Return the current thread state's frame, which is *NULL* if no frame is
+ currently executing.
+
+
+.. cfunction:: int PyEval_GetRestricted()
+
+ If there is a current frame and it is executing in restricted mode, return true,
+ otherwise false.
+
+
+.. cfunction:: const char* PyEval_GetFuncName(PyObject *func)
+
+ Return the name of *func* if it is a function, class or instance object, else the
+ name of *func*\s type.
+
+
+.. cfunction:: const char* PyEval_GetFuncDesc(PyObject *func)
+
+ Return a description string, depending on the type of *func*.
+ Return values include "()" for functions and methods, " constructor",
+ " instance", and " object". Concatenated with the result of
+ :cfunc:`PyEval_GetFuncName`, the result will be a description of
+ *func*.
diff --git a/Doc/c-api/veryhigh.rst b/Doc/c-api/veryhigh.rst
index 4b26da6..6a3f91d 100644
--- a/Doc/c-api/veryhigh.rst
+++ b/Doc/c-api/veryhigh.rst
@@ -229,6 +229,43 @@ the same library that the Python runtime is using.
be parsed or compiled.
+.. cfunction:: PyObject* PyEval_EvalCode(PyCodeObject *co, PyObject *globals, PyObject *locals)
+
+ This is a simplified interface to :cfunc:`PyEval_EvalCodeEx`, with just
+ the code object, and the dictionaries of global and local variables.
+ The other arguments are set to *NULL*.
+
+
+.. cfunction:: PyObject* PyEval_EvalCodeEx(PyCodeObject *co, PyObject *globals, PyObject *locals, PyObject **args, int argcount, PyObject **kws, int kwcount, PyObject **defs, int defcount, PyObject *closure)
+
+ Evaluate a precompiled code object, given a particular environment for its
+ evaluation. This environment consists of dictionaries of global and local
+ variables, arrays of arguments, keywords and defaults, and a closure tuple of
+ cells.
+
+
+.. cfunction:: PyObject* PyEval_EvalFrame(PyFrameObject *f)
+
+ Evaluate an execution frame. This is a simplified interface to
+ PyEval_EvalFrameEx, for backward compatibility.
+
+
+.. cfunction:: PyObject* PyEval_EvalFrameEx(PyFrameObject *f, int throwflag)
+
+ This is the main, unvarnished function of Python interpretation. It is
+ literally 2000 lines long. The code object associated with the execution
+ frame *f* is executed, interpreting bytecode and executing calls as needed.
+ The additional *throwflag* parameter can mostly be ignored - if true, then
+ it causes an exception to immediately be thrown; this is used for the
+ :meth:`throw` methods of generator objects.
+
+
+.. cfunction:: int PyEval_MergeCompilerFlags(PyCompilerFlags *cf)
+
+ This function changes the flags of the current evaluation frame, and returns
+ true on success, false on failure.
+
+
.. cvar:: int Py_eval_input
.. index:: single: Py_CompileString()