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 bool sysctl__nmi_watchdog_enabled(void); 33 34 int fetch_kernel_version(unsigned int *puint, 35 char *str, size_t str_sz); 36 #define KVER_VERSION(x) (((x) >> 16) & 0xff) 37 #define KVER_PATCHLEVEL(x) (((x) >> 8) & 0xff) 38 #define KVER_SUBLEVEL(x) ((x) & 0xff) 39 #define KVER_FMT "%d.%d.%d" 40 #define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x) 41 42 int perf_tip(char **strp, const char *dirpath); 43 44 #ifndef HAVE_SCHED_GETCPU_SUPPORT 45 int sched_getcpu(void); 46 #endif 47 48 extern bool perf_singlethreaded; 49 50 void perf_set_singlethreaded(void); 51 void perf_set_multithreaded(void); 52 53 char *perf_exe(char *buf, int len); 54 55 #ifndef O_CLOEXEC 56 #ifdef __sparc__ 57 #define O_CLOEXEC 0x400000 58 #elif defined(__alpha__) || defined(__hppa__) 59 #define O_CLOEXEC 010000000 60 #else 61 #define O_CLOEXEC 02000000 62 #endif 63 #endif 64 65 extern bool test_attr__enabled; 66 void test_attr__ready(void); 67 void test_attr__init(void); 68 struct perf_event_attr; 69 void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, 70 int fd, int group_fd, unsigned long flags); 71 #endif /* GIT_COMPAT_UTIL_H */ 72