What does errno 36 (EIDRM) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: a Solaris IPC identifier was removed while the caller was using or waiting on it.

Could be also:
Constant	Type	OS
ERROR_SHARING_BUFFER_EXCEEDED	Win32 error	Windows
KERN_NOT_DEPRESSED	Kern return	Mac
ippStsNotSupportedCpu	Intel Ipp Status	Any
ENAMETOOLONG	errno	Linux
EINPROGRESS	errno	Mac
EDEADLK	errno	Windows
NTFS_FILE_SYSTEM	BugCheck Code	Windows

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EINPROGRESS	EDEADLK

EIDRM

System v ipc object lifetime

On Solaris, EIDRM is errno value 36. The base message is Identifier removed, but the useful diagnostic context is narrower than the short message: a Solaris IPC identifier was removed while the caller was using or waiting on it.

Use the Solaris-specific errno table first, then compare with POSIX only for portable behavior. Some Solaris values share names with other UNIX systems but have different numbers or more specific historical meanings.

What to check

Check whether msgctl, semctl, or shmctl removed the object while another process was blocked or still held the identifier.
Reopen or recreate the IPC object instead of continuing to use the old id.
Log the IPC key and object id because numeric identifiers can be reused later.

References

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