From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
Cc: | Bernd Helmle <mailings(at)oopsware(dot)de>, Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: LWLock optimization for multicore Power machines |
Date: | 2017-03-25 20:32:33 |
Message-ID: | 32229.1490473953@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> writes:
> I moved PPC implementation of pg_atomic_fetch_mask_add_u32() into
> port/atomics/arch-ppc.h. I also had to declare pg_atomic_uint32 there to
> satisfy usage of this type as argument
> of pg_atomic_fetch_mask_add_u32_impl().
Hm, you did something wrong there, because now I get a bunch of failures:
ccache gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -g -O2 -I../../../../src/include -c -o brin.o brin.c
In file included from ../../../../src/include/port/atomics.h:123,
from ../../../../src/include/utils/dsa.h:17,
from ../../../../src/include/nodes/tidbitmap.h:26,
from ../../../../src/include/access/genam.h:19,
from ../../../../src/include/nodes/execnodes.h:17,
from ../../../../src/include/access/brin.h:14,
from brin.c:18:
../../../../src/include/port/atomics/generic.h:154:3: error: #error "No pg_atomic_test_and_set provided"
../../../../src/include/port/atomics.h: In function 'pg_atomic_init_flag':
../../../../src/include/port/atomics.h:178: warning: implicit declaration of function 'pg_atomic_init_flag_impl'
../../../../src/include/port/atomics.h: In function 'pg_atomic_test_set_flag':
../../../../src/include/port/atomics.h:193: warning: implicit declaration of function 'pg_atomic_test_set_flag_impl'
../../../../src/include/port/atomics.h: In function 'pg_atomic_unlocked_test_flag':
../../../../src/include/port/atomics.h:208: warning: implicit declaration of function 'pg_atomic_unlocked_test_flag_impl'
... and so on.
I'm not entirely sure what the intended structure of these header files
is. Maybe Andres can comment.
regards, tom lane
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