Re: error: #error PostgreSQL does not have native spinlock support on this platform. error: unknown type name ‘slock_t’

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Japin Li <japinli(at)hotmail(dot)com>
Cc: 大坏蛋！ <769323213(at)qq(dot)com>, pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: error: #error PostgreSQL does not have native spinlock support on this platform. error: unknown type name ‘slock_t’
Date: 2022-09-17 14:51:27
Message-ID: 71597.1663426287@sss.pgh.pa.us
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Japin Li <japinli(at)hotmail(dot)com> writes:
> IIRC, PostgreSQL do not support loongarch platform, so if you want to
> use PostgreSQL on loongarch, you can a) disable spinlock when executing
> configure (not recommended for production) or b) implement a spinlock
> for PostgreSQL on loongarch64 platform.

Wikipedia suggests that loongarch is more or less a MIPS clone,
so maybe you could adapt the MIPS stanza in s_lock.h to work.

Do "make check" in src/backend/storage/lmgr for a basic smoke-test
of new spinlock code.

regards, tom lane

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