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Portability hack for pg_global_prng_state.

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PGDLLIMPORT is only appropriate for variables declared in the backend,
not when the variable is coming from a library included in frontend code.
(This isn't a particularly nice fix, but for now, use the same method
employed elsewhere.)

Discussion: https://postgr.es/m/E1mrWUD-000235-Hq@gemulon.postgresql.org
This commit is contained in:
Tom Lane
2021-11-29 00:04:45 -05:00
parent 6fb7c5d67c
commit 11b500072e
1 changed files with 4 additions and 0 deletions
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4
src/include/common/pg_prng.h
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@@ -26,7 +26,11 @@ typedef struct pg_prng_state
* Callers not needing local PRNG series may use this global state vector, * Callers not needing local PRNG series may use this global state vector,
* after initializing it with one of the pg_prng_...seed functions. * after initializing it with one of the pg_prng_...seed functions.
*/ */
#ifndef FRONTEND
extern PGDLLIMPORT pg_prng_state pg_global_prng_state; extern PGDLLIMPORT pg_prng_state pg_global_prng_state;
#else
extern pg_prng_state pg_global_prng_state;
#endif
extern void pg_prng_seed(pg_prng_state *state, uint64 seed); extern void pg_prng_seed(pg_prng_state *state, uint64 seed);
extern void pg_prng_fseed(pg_prng_state *state, double fseed); extern void pg_prng_fseed(pg_prng_state *state, double fseed);