1 #ifndef GIT_COMPAT_UTIL_H
2 #define GIT_COMPAT_UTIL_H
6 /* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
7 #define _DEFAULT_SOURCE 1
13 #include <sys/statfs.h>
21 #include <sys/param.h>
22 #include <sys/types.h>
26 #include <sys/socket.h>
27 #include <sys/ioctl.h>
28 #include <linux/kernel.h>
29 #include <linux/types.h>
31 extern char buildid_dir[];
34 #define NORETURN __attribute__((__noreturn__))
38 #define __attribute__(x)
42 #define PERF_GTK_DSO "libperf-gtk.so"
44 /* General helper functions */
45 void usage(const char *err) NORETURN;
46 void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
47 int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
48 void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
50 void set_warning_routine(void (*routine)(const char *err, va_list params));
52 int prefixcmp(const char *str, const char *prefix);
53 void set_buildid_dir(const char *dir);
55 static inline void *zalloc(size_t size)
57 return calloc(1, size);
60 #define zfree(ptr) ({ free(*ptr); *ptr = NULL; })
65 int mkdir_p(char *path, mode_t mode);
66 int rm_rf(const char *path);
67 struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *));
68 bool lsdir_no_dot_filter(const char *name, struct dirent *d);
69 int copyfile(const char *from, const char *to);
70 int copyfile_mode(const char *from, const char *to, mode_t mode);
71 int copyfile_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64 size);
73 ssize_t readn(int fd, void *buf, size_t n);
74 ssize_t writen(int fd, void *buf, size_t n);
76 struct perf_event_attr;
78 void event_attr_init(struct perf_event_attr *attr);
80 size_t hex_width(u64 v);
81 int hex2u64(const char *ptr, u64 *val);
83 extern unsigned int page_size;
84 extern int cacheline_size;
85 extern int sysctl_perf_event_max_stack;
86 extern int sysctl_perf_event_max_contexts_per_stack;
93 unsigned long parse_tag_value(const char *str, struct parse_tag *tags);
95 int perf_event_paranoid(void);
97 void mem_bswap_64(void *src, int byte_size);
98 void mem_bswap_32(void *src, int byte_size);
100 bool find_process(const char *name);
102 #ifdef HAVE_ZLIB_SUPPORT
103 int gzip_decompress_to_file(const char *input, int output_fd);
106 #ifdef HAVE_LZMA_SUPPORT
107 int lzma_decompress_to_file(const char *input, int output_fd);
110 int get_stack_size(const char *str, unsigned long *_size);
112 int fetch_kernel_version(unsigned int *puint,
113 char *str, size_t str_sz);
114 #define KVER_VERSION(x) (((x) >> 16) & 0xff)
115 #define KVER_PATCHLEVEL(x) (((x) >> 8) & 0xff)
116 #define KVER_SUBLEVEL(x) ((x) & 0xff)
117 #define KVER_FMT "%d.%d.%d"
118 #define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x)
120 const char *perf_tip(const char *dirpath);
122 #ifndef HAVE_SCHED_GETCPU_SUPPORT
123 int sched_getcpu(void);
126 #endif /* GIT_COMPAT_UTIL_H */