Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1#ifndef __API_FS__
2#define __API_FS__
3
4#include <stdbool.h>
5#include <unistd.h>
6
7/*
8 * On most systems <limits.h> would have given us this, but not on some systems
9 * (e.g. GNU/Hurd).
10 */
11#ifndef PATH_MAX
12#define PATH_MAX 4096
13#endif
14
15#define FS(name) \
16 const char *name##__mountpoint(void); \
17 const char *name##__mount(void); \
18 bool name##__configured(void); \
19
20FS(sysfs)
21FS(procfs)
22FS(debugfs)
23FS(tracefs)
24FS(hugetlbfs)
25FS(bpf_fs)
26
27#undef FS
28
29
30int filename__read_int(const char *filename, int *value);
31int filename__read_ull(const char *filename, unsigned long long *value);
32int filename__read_str(const char *filename, char **buf, size_t *sizep);
33
34int filename__write_int(const char *filename, int value);
35
36int procfs__read_str(const char *entry, char **buf, size_t *sizep);
37
38int sysctl__read_int(const char *sysctl, int *value);
39int sysfs__read_int(const char *entry, int *value);
40int sysfs__read_ull(const char *entry, unsigned long long *value);
41int sysfs__read_str(const char *entry, char **buf, size_t *sizep);
42int sysfs__read_bool(const char *entry, bool *value);
43
44int sysfs__write_int(const char *entry, int value);
45#endif /* __API_FS__ */