util.h (2120B)
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#ifndef __cplusplus 15#include <internal/cpumap.h> 16#endif 17 18/* General helper functions */ 19void usage(const char *err) __noreturn; 20void die(const char *err, ...) __noreturn __printf(1, 2); 21 22struct dirent; 23struct strlist; 24 25int mkdir_p(char *path, mode_t mode); 26int rm_rf(const char *path); 27int rm_rf_perf_data(const char *path); 28struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *)); 29bool lsdir_no_dot_filter(const char *name, struct dirent *d); 30 31size_t hex_width(u64 v); 32 33int sysctl__max_stack(void); 34 35bool sysctl__nmi_watchdog_enabled(void); 36 37int fetch_kernel_version(unsigned int *puint, 38 char *str, size_t str_sz); 39#define KVER_VERSION(x) (((x) >> 16) & 0xff) 40#define KVER_PATCHLEVEL(x) (((x) >> 8) & 0xff) 41#define KVER_SUBLEVEL(x) ((x) & 0xff) 42#define KVER_FMT "%d.%d.%d" 43#define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x) 44 45int perf_tip(char **strp, const char *dirpath); 46 47#ifndef HAVE_SCHED_GETCPU_SUPPORT 48int sched_getcpu(void); 49#endif 50 51extern bool perf_singlethreaded; 52 53void perf_set_singlethreaded(void); 54void perf_set_multithreaded(void); 55 56char *perf_exe(char *buf, int len); 57 58#ifndef O_CLOEXEC 59#ifdef __sparc__ 60#define O_CLOEXEC 0x400000 61#elif defined(__alpha__) || defined(__hppa__) 62#define O_CLOEXEC 010000000 63#else 64#define O_CLOEXEC 02000000 65#endif 66#endif 67 68extern bool test_attr__enabled; 69void test_attr__ready(void); 70void test_attr__init(void); 71struct perf_event_attr; 72void test_attr__open(struct perf_event_attr *attr, pid_t pid, struct perf_cpu cpu, 73 int fd, int group_fd, unsigned long flags); 74 75struct perf_debuginfod { 76 const char *urls; 77 bool set; 78}; 79void perf_debuginfod_setup(struct perf_debuginfod *di); 80 81char *filename_with_chroot(int pid, const char *filename); 82#endif /* GIT_COMPAT_UTIL_H */