1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef GIT_COMPAT_UTIL_H 3 #define GIT_COMPAT_UTIL_H 4 5 #define _BSD_SOURCE 1 6 /* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */ 7 #define _DEFAULT_SOURCE 1 8 9 #include <fcntl.h> 10 #include <stdbool.h> 11 #include <stddef.h> 12 #include <linux/compiler.h> 13 #include <sys/types.h> 14 #include <internal/lib.h> 15 16 /* General helper functions */ 17 void usage(const char *err) __noreturn; 18 void die(const char *err, ...) __noreturn __printf(1, 2); 19 20 struct dirent; 21 struct nsinfo; 22 struct strlist; 23 24 int mkdir_p(char *path, mode_t mode); 25 int rm_rf(const char *path); 26 int rm_rf_perf_data(const char *path); 27 struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *)); 28 bool lsdir_no_dot_filter(const char *name, struct dirent *d); 29 int copyfile(const char *from, const char *to); 30 int copyfile_mode(const char *from, const char *to, mode_t mode); 31 int copyfile_ns(const char *from, const char *to, struct nsinfo *nsi); 32 int copyfile_offset(int ifd, loff_t off_in, int ofd, loff_t off_out, u64 size); 33 34 size_t hex_width(u64 v); 35 36 extern unsigned int page_size; 37 38 int sysctl__max_stack(void); 39 40 int fetch_kernel_version(unsigned int *puint, 41 char *str, size_t str_sz); 42 #define KVER_VERSION(x) (((x) >> 16) & 0xff) 43 #define KVER_PATCHLEVEL(x) (((x) >> 8) & 0xff) 44 #define KVER_SUBLEVEL(x) ((x) & 0xff) 45 #define KVER_FMT "%d.%d.%d" 46 #define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x) 47 48 const char *perf_tip(const char *dirpath); 49 50 #ifndef HAVE_SCHED_GETCPU_SUPPORT 51 int sched_getcpu(void); 52 #endif 53 54 extern bool perf_singlethreaded; 55 56 void perf_set_singlethreaded(void); 57 void perf_set_multithreaded(void); 58 59 char *perf_exe(char *buf, int len); 60 61 #ifndef O_CLOEXEC 62 #ifdef __sparc__ 63 #define O_CLOEXEC 0x400000 64 #elif defined(__alpha__) || defined(__hppa__) 65 #define O_CLOEXEC 010000000 66 #else 67 #define O_CLOEXEC 02000000 68 #endif 69 #endif 70 71 #endif /* GIT_COMPAT_UTIL_H */ 72