errno 90 (EIDRM): meaning and diagnosis

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: An IPC object identifier became invalid because the underlying object was removed.

Could be also:
Constant	Type	OS
EMSGSIZE	errno	Linux
ELOOP	errno	Solaris
CRITICAL_SERVICE_FAILED	BugCheck Code	Windows

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EMSGSIZE	ELOOP

EIDRM

The identifier was valid only while the IPC object existed

EIDRM belongs to System V IPC-style lifetime semantics. It indicates that an operation encountered an identifier whose underlying object was removed. The important distinction is between a bad identifier supplied from the start and an identifier that became invalid because another actor destroyed the queue, semaphore set, or shared-memory object.

Do not keep retrying the same numeric identifier. Reacquire the IPC endpoint through the application’s documented discovery or creation protocol, and decide whether outstanding work must be recreated, discarded, or reported as interrupted.

Useful evidence

IPC object type, identifier, creator or owner, and the API that reported the error.
Removal events and shutdown order for the peer or supervisor that owns the object.
Whether the caller can safely recreate the object without racing another instance.

References

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