Linux SRV-16 6.18.44-paas #1 SMP PREEMPT_DYNAMIC Thu Aug 13 10:08:12 UTC 2026 x86_64

/proc/212/root/opt/postgresql-11/include/server/port/atomics/

//proc/212/root/opt/postgresql-11/include/server/port/atomics/arch-arm.h

 /*-------------------------------------------------------------------------
 *
 * arch-arm.h
 *	  Atomic operations considerations specific to ARM
 *
 * Portions Copyright (c) 2013-2018, PostgreSQL Global Development Group
 *
 * NOTES:
 *
 * src/include/port/atomics/arch-arm.h
 *
 *-------------------------------------------------------------------------
 */

/* intentionally no include guards, should only be included by atomics.h */
#ifndef INSIDE_ATOMICS_H
#error "should be included via atomics.h"
#endif

/*
 * 64 bit atomics on ARM32 are implemented using kernel fallbacks and thus
 * might be slow, so disable entirely. On ARM64 that problem doesn't exist.
 */
#if !defined(__aarch64__) && !defined(__aarch64)
#define PG_DISABLE_64_BIT_ATOMICS
#endif  /* __aarch64__ || __aarch64 */