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Commit9e12fb0

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Remove some remaining traces of dsm_resize().
A couple of obsolete comments and unreachable blocks remained aftercommit3c60d0f.Discussion:https://postgr.es/m/CAA4eK1%2B%3DyAFUvpFoHXFi_gm8YqmXN-TtkFH%2BVYjvDLS6-SFq-Q%40mail.gmail.com
1 parentadd9182 commit9e12fb0

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1 file changed

+2
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‎src/backend/storage/ipc/dsm_impl.c

Lines changed: 2 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -245,7 +245,7 @@ dsm_impl_posix(dsm_op op, dsm_handle handle, Size request_size,
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}
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/*
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* Create new segment or open an existing one for attach or resize.
248+
* Create new segment or open an existing one for attach.
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*
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* Even though we're not going through fd.c, we should be safe against
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* running out of file descriptors, because of NUM_RESERVED_FDS. We're
@@ -410,10 +410,6 @@ dsm_impl_sysv(dsm_op op, dsm_handle handle, Size request_size,
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charname[64];
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int*ident_cache;
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413-
/* Since resize isn't supported, reattach is a no-op. */
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if (op==DSM_OP_ATTACH&&*mapped_address!=NULL)
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return true;
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/*
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* POSIX shared memory and mmap-based shared memory identify segments with
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* names. To avoid needless error message variation, we use the handle as
@@ -600,10 +596,6 @@ dsm_impl_windows(dsm_op op, dsm_handle handle, Size request_size,
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charname[64];
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MEMORY_BASIC_INFORMATIONinfo;
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603-
/* Since resize isn't supported, reattach is a no-op. */
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if (op==DSM_OP_ATTACH&&*mapped_address!=NULL)
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return true;
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/*
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* Storing the shared memory segment in the Global\ namespace, can allow
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* any process running in any session to access that file mapping object
@@ -814,7 +806,7 @@ dsm_impl_mmap(dsm_op op, dsm_handle handle, Size request_size,
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return true;
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}
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/* Create new segment or open an existing one for attach or resize. */
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/* Create new segment or open an existing one for attach. */
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flags=O_RDWR | (op==DSM_OP_CREATE ?O_CREAT |O_EXCL :0);
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if ((fd=OpenTransientFile(name,flags))==-1)
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{

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