Commit8bd21f5

Sokolov Yura

committed

cfs: set CFS_GC_LOCK to be dependent on MAX_BACKENDS

1 parent67f29e1 commit8bd21f5Copy full SHA for 8bd21f5

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Lines changed: 8 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -45,6 +45,8 @@`
`45`	`45`	`#include"port/atomics.h"`
`46`	`46`	`#include"pgstat.h"`
`47`	`47`	`#include"portability/mem.h"`
	`48`	`+#include"postmaster/bgworker.h"`
	`49`	`+#include"postmaster/postmaster.h"`
`48`	`50`	`#include"storage/fd.h"`
`49`	`51`	`#include"storage/cfs.h"`
`50`	`52`	`#include"storage/ipc.h"`
`@@ -53,7 +55,6 @@`
`53`	`55`	`#include"utils/rel.h"`
`54`	`56`	`#include"utils/builtins.h"`
`55`	`57`	`#include"utils/resowner_private.h"`
`56`		`-#include"postmaster/bgworker.h"`
`57`	`58`
`58`	`59`
`59`	`60`	`/*`
`@@ -398,6 +399,12 @@ int cfs_shmem_size()`
`398`	`399`	`voidcfs_initialize()`
`399`	`400`	`{`
`400`	`401`	`boolfound;`
	`402`	`+`
	`403`	`+StaticAssertStmt((CFS_GC_LOCK& (CFS_GC_LOCK-1))==0,`
	`404`	`+"CFS_GC_LOCK should be single bit");`
	`405`	`+StaticAssertStmt(CFS_GC_LOCK>MAX_BACKENDS,`
	`406`	`+"CFS_GC_LOCK should be larger than MAX_BACKENDS");`
	`407`	`+`
`401`	`408`	`cfs_state= (CfsState*)ShmemInitStruct("CFS Control",`
`402`	`409`	`sizeof(CfsState)+sizeof(pg_atomic_uint32)*MaxBackends,&found);`
`403`	`410`	`if (!found)`

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`
`9`	`9`	`#defineCFS_VERSION "0.45"`
`10`	`10`
`11`		`-#defineCFS_GC_LOCK0x10000000`
	`11`	`+#defineCFS_GC_LOCK(MAX_BACKENDS+1)`
`12`	`12`
`13`	`13`	`#defineCFS_LOCK_MIN_TIMEOUT 100/* microseconds: initial timeout of GC lock acquisition */`
`14`	`14`	`#defineCFS_LOCK_MAX_TIMEOUT 10000/* microseconds */`

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