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Switch flags tracking pending interrupts to sig_atomic_t

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Those previously used bool, which should be safe on any modern
platforms, however the C standard is clear that it is better to use
sig_atomic_t for variables manipulated in signal handlers.  This commit
adds at the same time PGDLLIMPORT to ClientConnectionLost.

Author: Michael Paquier
Reviewed-by: Tom Lane, Chris Travers, Andres Freund
Discussion: https://postgr.es/m/20180925011311.GD1354@paquier.xyz
This commit is contained in:
Michael Paquier
2018-09-27 07:47:20 +09:00
parent 751f532b97
commit ba16aade33
2 changed files with 10 additions and 10 deletions
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10
src/include/miscadmin.h
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@ -77,13 +77,13 @@
/* in globals.c */
/* these are marked volatile because they are set by signal handlers: */
extern PGDLLIMPORT volatile bool InterruptPending;
extern PGDLLIMPORT volatile bool QueryCancelPending;
extern PGDLLIMPORT volatile bool ProcDiePending;
extern PGDLLIMPORT volatile bool IdleInTransactionSessionTimeoutPending;
extern PGDLLIMPORT volatile sig_atomic_t InterruptPending;
extern PGDLLIMPORT volatile sig_atomic_t QueryCancelPending;
extern PGDLLIMPORT volatile sig_atomic_t ProcDiePending;
extern PGDLLIMPORT volatile sig_atomic_t IdleInTransactionSessionTimeoutPending;
extern PGDLLIMPORT volatile sig_atomic_t ConfigReloadPending;
extern volatile bool ClientConnectionLost;
extern PGDLLIMPORT volatile sig_atomic_t ClientConnectionLost;
/* these are marked volatile because they are examined by signal handlers: */
extern PGDLLIMPORT volatile uint32 InterruptHoldoffCount;