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Linux/tools/lib/api/fs/fs.h

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Diff markup

Differences between /tools/lib/api/fs/fs.h (Architecture m68k) and /tools/lib/api/fs/fs.h (Architecture mips)


  1 /* SPDX-License-Identifier: GPL-2.0 */              1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef __API_FS__                                  2 #ifndef __API_FS__
  3 #define __API_FS__                                  3 #define __API_FS__
  4                                                     4 
  5 #include <stdbool.h>                                5 #include <stdbool.h>
  6 #include <unistd.h>                                 6 #include <unistd.h>
  7                                                     7 
  8 /*                                                  8 /*
  9  * On most systems <limits.h> would have given      9  * On most systems <limits.h> would have given us this, but  not on some systems
 10  * (e.g. GNU/Hurd).                                10  * (e.g. GNU/Hurd).
 11  */                                                11  */
 12 #ifndef PATH_MAX                                   12 #ifndef PATH_MAX
 13 #define PATH_MAX 4096                              13 #define PATH_MAX 4096
 14 #endif                                             14 #endif
 15                                                    15 
 16 #define FS(name)                                   16 #define FS(name)                                \
 17         const char *name##__mountpoint(void);      17         const char *name##__mountpoint(void);   \
 18         const char *name##__mount(void);           18         const char *name##__mount(void);        \
 19         bool name##__configured(void);             19         bool name##__configured(void);          \
 20                                                    20 
 21 /*                                                 21 /*
 22  * The xxxx__mountpoint() entry points find th     22  * The xxxx__mountpoint() entry points find the first match mount point for each
 23  * filesystems listed below, where xxxx is the     23  * filesystems listed below, where xxxx is the filesystem type.
 24  *                                                 24  *
 25  * The interface is as follows:                    25  * The interface is as follows:
 26  *                                                 26  *
 27  * - If a mount point is found on first call,      27  * - If a mount point is found on first call, it is cached and used for all
 28  *   subsequent calls.                             28  *   subsequent calls.
 29  *                                                 29  *
 30  * - If a mount point is not found, NULL is re     30  * - If a mount point is not found, NULL is returned on first call and all
 31  *   subsequent calls.                             31  *   subsequent calls.
 32  */                                                32  */
 33 FS(sysfs)                                          33 FS(sysfs)
 34 FS(procfs)                                         34 FS(procfs)
 35 FS(debugfs)                                        35 FS(debugfs)
 36 FS(tracefs)                                        36 FS(tracefs)
 37 FS(hugetlbfs)                                      37 FS(hugetlbfs)
 38 FS(bpf_fs)                                         38 FS(bpf_fs)
 39                                                    39 
 40 #undef FS                                          40 #undef FS
 41                                                    41 
 42                                                    42 
 43 int cgroupfs_find_mountpoint(char *buf, size_t     43 int cgroupfs_find_mountpoint(char *buf, size_t maxlen, const char *subsys);
 44                                                    44 
 45 int filename__read_int(const char *filename, i     45 int filename__read_int(const char *filename, int *value);
 46 int filename__read_ull(const char *filename, u     46 int filename__read_ull(const char *filename, unsigned long long *value);
 47 int filename__read_xll(const char *filename, u     47 int filename__read_xll(const char *filename, unsigned long long *value);
 48 int filename__read_str(const char *filename, c     48 int filename__read_str(const char *filename, char **buf, size_t *sizep);
 49                                                    49 
 50 int filename__write_int(const char *filename,      50 int filename__write_int(const char *filename, int value);
 51                                                    51 
 52 int procfs__read_str(const char *entry, char *     52 int procfs__read_str(const char *entry, char **buf, size_t *sizep);
 53                                                    53 
 54 int sysctl__read_int(const char *sysctl, int *     54 int sysctl__read_int(const char *sysctl, int *value);
 55 int sysfs__read_int(const char *entry, int *va     55 int sysfs__read_int(const char *entry, int *value);
 56 int sysfs__read_ull(const char *entry, unsigne     56 int sysfs__read_ull(const char *entry, unsigned long long *value);
 57 int sysfs__read_xll(const char *entry, unsigne     57 int sysfs__read_xll(const char *entry, unsigned long long *value);
 58 int sysfs__read_str(const char *entry, char **     58 int sysfs__read_str(const char *entry, char **buf, size_t *sizep);
 59 int sysfs__read_bool(const char *entry, bool *     59 int sysfs__read_bool(const char *entry, bool *value);
 60                                                    60 
 61 int sysfs__write_int(const char *entry, int va     61 int sysfs__write_int(const char *entry, int value);
 62 #endif /* __API_FS__ */                            62 #endif /* __API_FS__ */
 63                                                    63 

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