File: barrier.h

package info (click to toggle)
linux 6.1.159-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,495,620 kB
  • sloc: ansic: 23,458,997; asm: 266,680; sh: 110,635; makefile: 49,889; python: 36,941; perl: 36,837; cpp: 6,055; yacc: 4,908; lex: 2,725; awk: 1,440; ruby: 25; sed: 5
file content (16 lines) | stat: -rw-r--r-- 441 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
#ifndef LIBURING_BARRIER_H
#define LIBURING_BARRIER_H

#if defined(__x86_64) || defined(__i386__)
#define read_barrier()	__asm__ __volatile__("":::"memory")
#define write_barrier()	__asm__ __volatile__("":::"memory")
#else
/*
 * Add arch appropriate definitions. Be safe and use full barriers for
 * archs we don't have support for.
 */
#define read_barrier()	__sync_synchronize()
#define write_barrier()	__sync_synchronize()
#endif

#endif