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 */ 16void usage(const char *err) __noreturn; 17void die(const char *err, ...) __noreturn __printf(1, 2); 18 19struct dirent; 20struct strlist; 21 22int mkdir_p(char *path, mode_t mode); 23int rm_rf(const char *path); 24int rm_rf_perf_data(const char *path); 25struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *)); 26bool lsdir_no_dot_filter(const char *name, struct dirent *d); 27 28size_t hex_width(u64 v); 29 30int sysctl__max_stack(void); 31 32bool sysctl__nmi_watchdog_enabled(void); 33 34int 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 42int perf_tip(char **strp, const char *dirpath); 43 44#ifndef HAVE_SCHED_GETCPU_SUPPORT 45int sched_getcpu(void); 46#endif 47 48extern bool perf_singlethreaded; 49 50void perf_set_singlethreaded(void); 51void perf_set_multithreaded(void); 52 53char *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 65extern bool test_attr__enabled; 66void test_attr__ready(void); 67void test_attr__init(void); 68struct perf_event_attr; 69void 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