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gh-114271: Clean Up _threadmodule.c #116776

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gh-114271: Clean Up _threadmodule.c #116776

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db6bfcf
Make code sections more vistually distinct.
ericsnowcurrently Mar 13, 2024
db48323
Combine thread execution code into its own section.
ericsnowcurrently Mar 13, 2024
79c1d80
Make module function names more distinct.
ericsnowcurrently Mar 13, 2024
75d97c1
Group the module functions into subsections.
ericsnowcurrently Mar 13, 2024
3cace9e
Factor out thread_bootstate_new().
ericsnowcurrently Mar 13, 2024
0e7a0f7
Pass the boot state to do_start_new_thread().
ericsnowcurrently Mar 13, 2024
cec325e
Drop do_start_new_thread().
ericsnowcurrently Mar 13, 2024
4c83cf5
Move the thread execution code up near the top.
ericsnowcurrently Mar 13, 2024
23ca97b
Clean up the _PyThreadHandle code.
ericsnowcurrently Mar 13, 2024
41c7bd8
Factor out functions for tracking thread handles for fork.
ericsnowcurrently Mar 14, 2024
3db60f2
Factor out threadhandleobject.c.
ericsnowcurrently Mar 13, 2024
d2fb9bd
Make _ThreadHandle a static builtin type.
ericsnowcurrently Mar 13, 2024
4d0edee
Factor out struct _PyThread_handle_data.
ericsnowcurrently Mar 14, 2024
f1e8fa8
Track the data, not the objects.
ericsnowcurrently Mar 14, 2024
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27 changes: 26 additions & 1 deletion Include/internal/pycore_pythread.h
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Original file line number Diff line number Diff line change
Expand Up @@ -78,7 +78,7 @@ struct _pythread_runtime_state {
} stubs;
#endif

// Linked list of ThreadHandleObjects
// Linked list of struct _PyThread_handle_data
struct llist_node handles;
};

Expand Down Expand Up @@ -153,6 +153,31 @@ PyAPI_FUNC(int) PyThread_join_thread(PyThread_handle_t);
*/
PyAPI_FUNC(int) PyThread_detach_thread(PyThread_handle_t);


/******************/
/* thread handles */
/******************/

// Handles transition from RUNNING to one of JOINED, DETACHED, or INVALID (post
// fork).
typedef enum {
THREAD_HANDLE_RUNNING = 1,
THREAD_HANDLE_JOINED = 2,
THREAD_HANDLE_DETACHED = 3,
THREAD_HANDLE_INVALID = 4,
} _PyThreadHandleState;

extern PyTypeObject _PyThreadHandle_Type;

extern PyObject * _PyThreadHandle_NewObject(void);
extern _PyEventRc * _PyThreadHandle_GetExitingEvent(PyObject *);
extern void _PyThreadHandle_SetStarted(
PyObject *obj,
PyThread_handle_t handle,
PyThread_ident_t ident
);


#ifdef __cplusplus
}
#endif
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1 change: 1 addition & 0 deletions Makefile.pre.in
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Expand Up @@ -524,6 +524,7 @@ OBJECT_OBJS= \
Objects/setobject.o \
Objects/sliceobject.o \
Objects/structseq.o \
Objects/threadhandleobject.o \
Objects/tupleobject.o \
Objects/typeobject.o \
Objects/typevarobject.o \
Expand Down
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