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Make init_spin_delay() C89 compliant #2.

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My previous attempt at doing so, in 80abbeba23, was not sufficient. While that
fixed the problem for bufmgr.c and lwlock.c , s_lock.c still has non-constant
expressions in the struct initializer, because the file/line/function
information comes from the caller of s_lock().

Give up on using a macro, and use a static inline instead.

Discussion: 4369.1460435533@sss.pgh.pa.us
This commit is contained in:
Andres Freund
2016-04-14 19:26:13 -07:00
parent 533cd2303a
commit 4b74c6a40e
4 changed files with 25 additions and 6 deletions
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15
src/include/storage/s_lock.h
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@ -1005,8 +1005,19 @@ typedef struct
const char *func;
} SpinDelayStatus;
#define init_spin_delay(file, line, func) {0, 0, 0, file, line, func}
#define init_local_spin_delay() init_spin_delay(__FILE__, __LINE__, PG_FUNCNAME_MACRO)
static inline void
init_spin_delay(SpinDelayStatus *status,
const char *file, int line, const char *func)
{
status->spins = 0;
status->delays = 0;
status->cur_delay = 0;
status->file = file;
status->line = line;
status->func = func;
}
#define init_local_spin_delay(status) init_spin_delay(status, __FILE__, __LINE__, PG_FUNCNAME_MACRO)
void perform_spin_delay(SpinDelayStatus *status);
void finish_spin_delay(SpinDelayStatus *status);