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Wait and reset MyLatch in CFS WaitLatch calls

1 parentceecae4 commit9c321d6Copy full SHA for 9c321d6

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+16

-4

lines changed

src/backend/storage/file
- cfs.c

1 file changed

+16

-4

lines changed

`‎src/backend/storage/file/cfs.c`

Lines changed: 16 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -669,11 +669,14 @@ static bool cfs_gc_file(char* map_path, bool background)`
`669`	`669`	`pg_atomic_fetch_sub_u32(&cfs_state->n_active_gc,1);`
`670`	`670`
`671`	`671`	`rc=WaitLatch(MyLatch,`
`672`		`-WL_TIMEOUT \|WL_POSTMASTER_DEATH,`
	`672`	`+WL_LATCH_SET \|WL_TIMEOUT \|WL_POSTMASTER_DEATH,`
`673`	`673`	`CFS_DISABLE_TIMEOUT/* ms */);`
`674`	`674`	`if (cfs_gc_stop\|\| (rc&WL_POSTMASTER_DEATH))`
`675`	`675`	`exit(1);`
`676`	`676`
	`677`	`+CHECK_FOR_INTERRUPTS();`
	`678`	`+ResetLatch(MyLatch);`
	`679`	`+`
`677`	`680`	`pg_atomic_fetch_add_u32(&cfs_state->n_active_gc,1);`
`678`	`681`	`}`
`679`	`682`
`@@ -1014,10 +1017,13 @@ static bool cfs_gc_file(char* map_path, bool background)`
`1014`	`1017`	`if (cfs_gc_delay!=0)`
`1015`	`1018`	`{`
`1016`	`1019`	`intrc=WaitLatch(MyLatch,`
`1017`		`-WL_TIMEOUT \|WL_POSTMASTER_DEATH,`
	`1020`	`+WL_LATCH_SET \|WL_TIMEOUT \|WL_POSTMASTER_DEATH,`
`1018`	`1021`	`cfs_gc_delay/* ms */ );`
`1019`	`1022`	`if (rc&WL_POSTMASTER_DEATH)`
`1020`	`1023`	`exit(1);`
	`1024`	`+`
	`1025`	`+CHECK_FOR_INTERRUPTS();`
	`1026`	`+ResetLatch(MyLatch);`
`1021`	`1027`	`}`
`1022`	`1028`	`}`
`1023`	`1029`	`elseif (cfs_state->max_iterations==1)`
`@@ -1134,10 +1140,13 @@ static void cfs_gc_bgworker_main(Datum arg)`
`1134`	`1140`	`break;`
`1135`	`1141`	`}`
`1136`	`1142`	`rc=WaitLatch(MyLatch,`
`1137`		`-WL_TIMEOUT \|WL_POSTMASTER_DEATH,`
	`1143`	`+WL_LATCH_SET \|WL_TIMEOUT \|WL_POSTMASTER_DEATH,`
`1138`	`1144`	`timeout/* ms */ );`
`1139`	`1145`	`if (rc&WL_POSTMASTER_DEATH)`
`1140`	`1146`	`exit(1);`
	`1147`	`+`
	`1148`	`+CHECK_FOR_INTERRUPTS();`
	`1149`	`+ResetLatch(MyLatch);`
`1141`	`1150`	`}`
`1142`	`1151`	`}`
`1143`	`1152`
`@@ -1176,10 +1185,13 @@ bool cfs_control_gc(bool enabled)`
`1176`	`1185`	`while (pg_atomic_read_u32(&cfs_state->n_active_gc)!=0)`
`1177`	`1186`	`{`
`1178`	`1187`	`intrc=WaitLatch(MyLatch,`
`1179`		`-WL_TIMEOUT \|WL_POSTMASTER_DEATH,`
	`1188`	`+WL_LATCH_SET \|WL_TIMEOUT \|WL_POSTMASTER_DEATH,`
`1180`	`1189`	`CFS_DISABLE_TIMEOUT/* ms */);`
`1181`	`1190`	`if (rc&WL_POSTMASTER_DEATH)`
`1182`	`1191`	`exit(1);`
	`1192`	`+`
	`1193`	`+CHECK_FOR_INTERRUPTS();`
	`1194`	`+ResetLatch(MyLatch);`
`1183`	`1195`	`}`
`1184`	`1196`	`}`
`1185`	`1197`	`returnwas_enabled;`

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`‎src/backend/storage/file/cfs.c`

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