MemContext Struct Reference

#include <veil_shmem.h>

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Detailed Description

MemContexts are large single chunks of shared memory from which smaller allocations may be made.

Definition at line 54 of file veil_shmem.h.

Data Fields
Oid	db_id
	Identifier for the database for which this context was created, or by which it has been taken over.
LWLockId	lwlock
	The LWLock associated with this memory context.
size_t	next
	Offset of 1st free byte.
size_t	limit
	Offset, of 1st byte beyond this struct.
struct ShmemCtl *	memctl
	Pointer to shared memory control structure.
void *	memory [0]
	The rest of the chunk, from which memory is allocated.

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Field Documentation

Oid MemContext::db_id

Identifier for the database for which this context was created, or by which it has been taken over.

Definition at line 55 of file veil_shmem.h.

Referenced by get_shmem_context().

struct ShmemCtl* MemContext::memctl [read]

Pointer to shared memory control structure.

Definition at line 65 of file veil_shmem.h.

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The documentation for this struct was generated from the following file:

• src/veil_shmem.h