Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 1 | |
| 2 | /* Thread and interpreter state structures and their interfaces */ |
| 3 | |
| 4 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 5 | #ifndef Py_PYSTATE_H |
| 6 | #define Py_PYSTATE_H |
| 7 | #ifdef __cplusplus |
| 8 | extern "C" { |
| 9 | #endif |
| 10 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 11 | /* State shared between threads */ |
| 12 | |
Guido van Rossum | 29e46a9 | 1997-08-02 02:56:48 +0000 | [diff] [blame] | 13 | struct _ts; /* Forward */ |
| 14 | struct _is; /* Forward */ |
| 15 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 16 | typedef struct _is { |
| 17 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 18 | struct _is *next; |
| 19 | struct _ts *tstate_head; |
Guido van Rossum | 29e46a9 | 1997-08-02 02:56:48 +0000 | [diff] [blame] | 20 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 21 | PyObject *modules; |
| 22 | PyObject *sysdict; |
| 23 | PyObject *builtins; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 24 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 25 | int checkinterval; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 26 | |
| 27 | } PyInterpreterState; |
| 28 | |
| 29 | |
| 30 | /* State unique per thread */ |
| 31 | |
| 32 | struct _frame; /* Avoid including frameobject.h */ |
| 33 | |
| 34 | typedef struct _ts { |
| 35 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 36 | struct _ts *next; |
| 37 | PyInterpreterState *interp; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 38 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 39 | struct _frame *frame; |
| 40 | int recursion_depth; |
| 41 | int ticker; |
| 42 | int tracing; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 43 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 44 | PyObject *sys_profilefunc; |
| 45 | PyObject *sys_tracefunc; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 46 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 47 | PyObject *curexc_type; |
| 48 | PyObject *curexc_value; |
| 49 | PyObject *curexc_traceback; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 50 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 51 | PyObject *exc_type; |
| 52 | PyObject *exc_value; |
| 53 | PyObject *exc_traceback; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 54 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 55 | PyObject *dict; |
Guido van Rossum | ee0a63b | 1998-04-13 20:24:05 +0000 | [diff] [blame] | 56 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 57 | /* XXX signal handlers should also be here */ |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 58 | |
| 59 | } PyThreadState; |
| 60 | |
| 61 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 62 | DL_IMPORT(PyInterpreterState *) PyInterpreterState_New(void); |
| 63 | DL_IMPORT(void) PyInterpreterState_Clear(PyInterpreterState *); |
| 64 | DL_IMPORT(void) PyInterpreterState_Delete(PyInterpreterState *); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 65 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 66 | DL_IMPORT(PyThreadState *) PyThreadState_New(PyInterpreterState *); |
| 67 | DL_IMPORT(void) PyThreadState_Clear(PyThreadState *); |
| 68 | DL_IMPORT(void) PyThreadState_Delete(PyThreadState *); |
Guido van Rossum | 2975786 | 2001-01-23 01:46:06 +0000 | [diff] [blame] | 69 | #ifdef WITH_THREAD |
| 70 | DL_IMPORT(void) PyThreadState_DeleteCurrent(void); |
| 71 | #endif |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 72 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 73 | DL_IMPORT(PyThreadState *) PyThreadState_Get(void); |
| 74 | DL_IMPORT(PyThreadState *) PyThreadState_Swap(PyThreadState *); |
| 75 | DL_IMPORT(PyObject *) PyThreadState_GetDict(void); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 76 | |
Guido van Rossum | 275ea67 | 1998-12-21 18:28:10 +0000 | [diff] [blame] | 77 | |
| 78 | /* Variable and macro for in-line access to current thread state */ |
| 79 | |
Guido van Rossum | a8b47fe | 1998-12-21 20:21:19 +0000 | [diff] [blame] | 80 | extern DL_IMPORT(PyThreadState *) _PyThreadState_Current; |
Guido van Rossum | 275ea67 | 1998-12-21 18:28:10 +0000 | [diff] [blame] | 81 | |
| 82 | #ifdef Py_DEBUG |
| 83 | #define PyThreadState_GET() PyThreadState_Get() |
| 84 | #else |
| 85 | #define PyThreadState_GET() (_PyThreadState_Current) |
| 86 | #endif |
| 87 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 88 | #ifdef __cplusplus |
| 89 | } |
| 90 | #endif |
| 91 | #endif /* !Py_PYSTATE_H */ |