mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 22:47:56 +00:00
012873074f
Current musl already provides sched_getcpu Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
44 lines
659 B
C
44 lines
659 B
C
#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
|