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linux/tools/perf/trace/beauty/flock.c
Arnaldo Carvalho de Melo 6652830c87 perf beauty: Use the system linux/fcntl.h instead of a copy from the kernel
Builds ok all the way back to these older distros:

   1  almalinux:8    : Ok  gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-20) , clang version 16.0.6 (Red Hat 16.0.6-2.module_el8.9.0+3621+df7f7146) flex 2.6.1
   3  alpine:3.15    : Ok  gcc (Alpine 10.3.1_git20211027) 10.3.1 20211027 , Alpine clang version 12.0.1 flex 2.6.4
  15  debian:10      : Ok  gcc (Debian 8.3.0-6) 8.3.0 , Debian clang version 11.0.1-2~deb10u1 flex 2.6.4
  32  opensuse:15.4  : Ok  gcc (SUSE Linux) 7.5.0 , clang version 15.0.7 flex 2.6.4
  23  fedora:35      : Ok  gcc (GCC) 11.3.1 20220421 (Red Hat 11.3.1-3) , clang version 13.0.1 (Fedora 13.0.1-1.fc35) flex 2.6.4
  38  ubuntu:18.04   : Ok  gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0  flex 2.6.4

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/lkml/20240315204835.748716-4-acme@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2024-03-21 10:41:27 -03:00

52 lines
1003 B
C

// SPDX-License-Identifier: LGPL-2.1
#include "trace/beauty/beauty.h"
#include <linux/kernel.h>
#include <linux/fcntl.h>
#ifndef LOCK_MAND
#define LOCK_MAND 32
#endif
#ifndef LOCK_READ
#define LOCK_READ 64
#endif
#ifndef LOCK_WRITE
#define LOCK_WRITE 128
#endif
#ifndef LOCK_RW
#define LOCK_RW 192
#endif
size_t syscall_arg__scnprintf_flock(char *bf, size_t size, struct syscall_arg *arg)
{
bool show_prefix = arg->show_string_prefix;
const char *prefix = "LOCK_";
int printed = 0, op = arg->val;
if (op == 0)
return scnprintf(bf, size, "NONE");
#define P_CMD(cmd) \
if ((op & LOCK_##cmd) == LOCK_##cmd) { \
printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #cmd); \
op &= ~LOCK_##cmd; \
}
P_CMD(SH);
P_CMD(EX);
P_CMD(NB);
P_CMD(UN);
P_CMD(MAND);
P_CMD(RW);
P_CMD(READ);
P_CMD(WRITE);
#undef P_OP
if (op)
printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op);
return printed;
}