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 15 /* General helper functions */ 16 void usage(const char *err) __noreturn; 17 void die(const char *err, ...) __noreturn __printf(1, 2); 18 19 struct dirent; 20 struct strlist; 21 22 int mkdir_p(char *path, mode_t mode); 23 int rm_rf(const char *path); 24 int rm_rf_perf_data(const char *path); 25 struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *)); 26 bool lsdir_no_dot_filter(const char *name, struct dirent *d); 27 28 size_t hex_width(u64 v); 29 30 int sysctl__max_stack(void); 31 32 int fetch_kernel_version(unsigned int *puint, 33 char *str, size_t str_sz); 34 #define KVER_VERSION(x) (((x) >> 16) & 0xff) 35 #define KVER_PATCHLEVEL(x) (((x) >> 8) & 0xff) 36 #define KVER_SUBLEVEL(x) ((x) & 0xff) 37 #define KVER_FMT "%d.%d.%d" 38 #define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x) 39 40 const char *perf_tip(const char *dirpath); 41 42 #ifndef HAVE_SCHED_GETCPU_SUPPORT 43 int sched_getcpu(void); 44 #endif 45 46 extern bool perf_singlethreaded; 47 48 void perf_set_singlethreaded(void); 49 void perf_set_multithreaded(void); 50 51 char *perf_exe(char *buf, int len); 52 53 #ifndef O_CLOEXEC 54 #ifdef __sparc__ 55 #define O_CLOEXEC 0x400000 56 #elif defined(__alpha__) || defined(__hppa__) 57 #define O_CLOEXEC 010000000 58 #else 59 #define O_CLOEXEC 02000000 60 #endif 61 #endif 62 63 #endif /* GIT_COMPAT_UTIL_H */ 64