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#ifndef __PERF_MUSL_COMPAT_H
#define __PERF_MUSL_COMPAT_H
#ifndef __ASSEMBLER__
#include <sys/ioctl.h>
#include <asm/unistd.h>
#include <unistd.h>
#include <stdio.h>
#undef _IOWR
#undef _IOR
#undef _IOW
#undef _IOC
#undef _IO
#define _SC_LEVEL1_DCACHE_LINESIZE -1
static inline long sysconf_wrap(int name)
{
FILE *f;
int val;
switch (name) {
case _SC_LEVEL1_DCACHE_LINESIZE:
f = fopen("/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size", "r");
if (!f)
return 0;
if (fscanf(f, "%d", &val) != 1)
return 0;
fclose(f);
return val;
default:
return sysconf(name);
}
}
#define sysconf(_n) sysconf_wrap(_n)
#endif
#endif
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