1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef GIT_COMPAT_UTIL_H 3*4882a593Smuzhiyun #define GIT_COMPAT_UTIL_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #define _BSD_SOURCE 1 6*4882a593Smuzhiyun /* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */ 7*4882a593Smuzhiyun #define _DEFAULT_SOURCE 1 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <fcntl.h> 10*4882a593Smuzhiyun #include <stdbool.h> 11*4882a593Smuzhiyun #include <stddef.h> 12*4882a593Smuzhiyun #include <linux/compiler.h> 13*4882a593Smuzhiyun #include <sys/types.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun /* General helper functions */ 16*4882a593Smuzhiyun void usage(const char *err) __noreturn; 17*4882a593Smuzhiyun void die(const char *err, ...) __noreturn __printf(1, 2); 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun struct dirent; 20*4882a593Smuzhiyun struct strlist; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun int mkdir_p(char *path, mode_t mode); 23*4882a593Smuzhiyun int rm_rf(const char *path); 24*4882a593Smuzhiyun int rm_rf_perf_data(const char *path); 25*4882a593Smuzhiyun struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *)); 26*4882a593Smuzhiyun bool lsdir_no_dot_filter(const char *name, struct dirent *d); 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun size_t hex_width(u64 v); 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun int sysctl__max_stack(void); 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun bool sysctl__nmi_watchdog_enabled(void); 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun int fetch_kernel_version(unsigned int *puint, 35*4882a593Smuzhiyun char *str, size_t str_sz); 36*4882a593Smuzhiyun #define KVER_VERSION(x) (((x) >> 16) & 0xff) 37*4882a593Smuzhiyun #define KVER_PATCHLEVEL(x) (((x) >> 8) & 0xff) 38*4882a593Smuzhiyun #define KVER_SUBLEVEL(x) ((x) & 0xff) 39*4882a593Smuzhiyun #define KVER_FMT "%d.%d.%d" 40*4882a593Smuzhiyun #define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x) 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun int perf_tip(char **strp, const char *dirpath); 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun #ifndef HAVE_SCHED_GETCPU_SUPPORT 45*4882a593Smuzhiyun int sched_getcpu(void); 46*4882a593Smuzhiyun #endif 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun extern bool perf_singlethreaded; 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun void perf_set_singlethreaded(void); 51*4882a593Smuzhiyun void perf_set_multithreaded(void); 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun char *perf_exe(char *buf, int len); 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun #ifndef O_CLOEXEC 56*4882a593Smuzhiyun #ifdef __sparc__ 57*4882a593Smuzhiyun #define O_CLOEXEC 0x400000 58*4882a593Smuzhiyun #elif defined(__alpha__) || defined(__hppa__) 59*4882a593Smuzhiyun #define O_CLOEXEC 010000000 60*4882a593Smuzhiyun #else 61*4882a593Smuzhiyun #define O_CLOEXEC 02000000 62*4882a593Smuzhiyun #endif 63*4882a593Smuzhiyun #endif 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun extern bool test_attr__enabled; 66*4882a593Smuzhiyun void test_attr__ready(void); 67*4882a593Smuzhiyun void test_attr__init(void); 68*4882a593Smuzhiyun struct perf_event_attr; 69*4882a593Smuzhiyun void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, 70*4882a593Smuzhiyun int fd, int group_fd, unsigned long flags); 71*4882a593Smuzhiyun #endif /* GIT_COMPAT_UTIL_H */ 72