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Commitba16aad

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Switch flags tracking pending interrupts to sig_atomic_t
Those previously used bool, which should be safe on any modernplatforms, however the C standard is clear that it is better to usesig_atomic_t for variables manipulated in signal handlers. This commitadds at the same time PGDLLIMPORT to ClientConnectionLost.Author: Michael PaquierReviewed-by: Tom Lane, Chris Travers, Andres FreundDiscussion:https://postgr.es/m/20180925011311.GD1354@paquier.xyz
1 parent751f532 commitba16aad

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2 files changed

+10
-10
lines changed

2 files changed

+10
-10
lines changed

‎src/backend/utils/init/globals.c

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -27,11 +27,11 @@
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ProtocolVersionFrontendProtocol;
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30-
volatileboolInterruptPending= false;
31-
volatileboolQueryCancelPending= false;
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volatileboolProcDiePending= false;
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volatileboolClientConnectionLost= false;
34-
volatileboolIdleInTransactionSessionTimeoutPending= false;
30+
volatilesig_atomic_tInterruptPending= false;
31+
volatilesig_atomic_tQueryCancelPending= false;
32+
volatilesig_atomic_tProcDiePending= false;
33+
volatilesig_atomic_tClientConnectionLost= false;
34+
volatilesig_atomic_tIdleInTransactionSessionTimeoutPending= false;
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volatilesig_atomic_tConfigReloadPending= false;
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volatileuint32InterruptHoldoffCount=0;
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volatileuint32QueryCancelHoldoffCount=0;

‎src/include/miscadmin.h

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -77,13 +77,13 @@
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/* in globals.c */
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/* these are marked volatile because they are set by signal handlers: */
80-
externPGDLLIMPORTvolatileboolInterruptPending;
81-
externPGDLLIMPORTvolatileboolQueryCancelPending;
82-
externPGDLLIMPORTvolatileboolProcDiePending;
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externPGDLLIMPORTvolatileboolIdleInTransactionSessionTimeoutPending;
80+
externPGDLLIMPORTvolatilesig_atomic_tInterruptPending;
81+
externPGDLLIMPORTvolatilesig_atomic_tQueryCancelPending;
82+
externPGDLLIMPORTvolatilesig_atomic_tProcDiePending;
83+
externPGDLLIMPORTvolatilesig_atomic_tIdleInTransactionSessionTimeoutPending;
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externPGDLLIMPORTvolatilesig_atomic_tConfigReloadPending;
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externvolatileboolClientConnectionLost;
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externPGDLLIMPORTvolatilesig_atomic_tClientConnectionLost;
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/* these are marked volatile because they are examined by signal handlers: */
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externPGDLLIMPORTvolatileuint32InterruptHoldoffCount;

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