src/pl/plpython/plpy_main.h

   1 /*
   2  * src/pl/plpython/plpy_main.h
   3  */
   4
   5 #ifndef PLPY_MAIN_H
   6 #define PLPY_MAIN_H
   7
   8 #include "plpy_procedure.h"
   9
  10 /* the interpreter's globals dict */
  11 extern PyObject *PLy_interp_globals;
  12
  13 /*
  14  * A stack of PL/Python execution contexts. Each time user-defined Python code
  15  * is called, an execution context is created and put on the stack. After the
  16  * Python code returns, the context is destroyed.
  17  */
  18 typedef struct PLyExecutionContext
  19 {
  20         PLyProcedure *curr_proc;        /* the currently executing procedure */
  21         MemoryContext scratch_ctx;      /* a context for things like type I/O */
  22         struct PLyExecutionContext *next;       /* previous stack level */
  23 } PLyExecutionContext;
  24
  25 /* Get the current execution context */
  26 extern PLyExecutionContext *PLy_current_execution_context(void);
  27
  28 /* Get the scratch memory context for specified execution context */
  29 extern MemoryContext PLy_get_scratch_context(PLyExecutionContext *context);
  30
  31 #endif                                                  /* PLPY_MAIN_H */