1 #ifndef __API_FS__ 2 #define __API_FS__ 3 4 #include <stdbool.h> 5 6 /* 7 * On most systems <limits.h> would have given us this, but not on some systems 8 * (e.g. GNU/Hurd). 9 */ 10 #ifndef PATH_MAX 11 #define PATH_MAX 4096 12 #endif 13 14 #define FS(name) \ 15 const char *name##__mountpoint(void); \ 16 const char *name##__mount(void); \ 17 bool name##__configured(void); \ 18 19 FS(sysfs) 20 FS(procfs) 21 FS(debugfs) 22 FS(tracefs) 23 24 #undef FS 25 26 27 int filename__read_int(const char *filename, int *value); 28 int filename__read_ull(const char *filename, unsigned long long *value); 29 30 int sysctl__read_int(const char *sysctl, int *value); 31 int sysfs__read_int(const char *entry, int *value); 32 int sysfs__read_ull(const char *entry, unsigned long long *value); 33 #endif /* __API_FS__ */ 34