Paranoia about possible values of errno after a shmget/semget failure. In theory we should always get EEXIST if there's a key collision, but if the kernel code tests error conditions in a weird order, perhaps EACCES or EIDRM could occur too.
Paranoia about possible values of errno after a shmget/semget failure.
In theory we should always get EEXIST if there's a key collision, but
if the kernel code tests error conditions in a weird order, perhaps
EACCES or EIDRM could occur too.

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