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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef GIT_COMPAT_UTIL_H
#define GIT_COMPAT_UTIL_H
#define _BSD_SOURCE 1
/* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
#define _DEFAULT_SOURCE 1
#include <fcntl.h>
#include <stdbool.h>
#include <stddef.h>
#include <linux/compiler.h>
#include <sys/types.h>
#ifndef __cplusplus
#include <internal/cpumap.h>
#endif
/* General helper functions */
void usage(const char *err) __noreturn;
void die(const char *err, ...) __noreturn __printf(1, 2);
struct dirent;
struct strlist;
int mkdir_p(char *path, mode_t mode);
int rm_rf(const char *path);
int rm_rf_perf_data(const char *path);
struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *));
bool lsdir_no_dot_filter(const char *name, struct dirent *d);
size_t hex_width(u64 v);
int sysctl__max_stack(void);
bool sysctl__nmi_watchdog_enabled(void);
int fetch_kernel_version(unsigned int *puint,
char *str, size_t str_sz);
#define KVER_VERSION(x) (((x) >> 16) & 0xff)
#define KVER_PATCHLEVEL(x) (((x) >> 8) & 0xff)
#define KVER_SUBLEVEL(x) ((x) & 0xff)
#define KVER_FMT "%d.%d.%d"
#define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x)
int perf_tip(char **strp, const char *dirpath);
#ifndef HAVE_SCHED_GETCPU_SUPPORT
int sched_getcpu(void);
#endif
extern bool perf_singlethreaded;
void perf_set_singlethreaded(void);
void perf_set_multithreaded(void);
char *perf_exe(char *buf, int len);
#ifndef O_CLOEXEC
#ifdef __sparc__
#define O_CLOEXEC 0x400000
#elif defined(__alpha__) || defined(__hppa__)
#define O_CLOEXEC 010000000
#else
#define O_CLOEXEC 02000000
#endif
#endif
extern bool test_attr__enabled;
void test_attr__ready(void);
void test_attr__init(void);
struct perf_event_attr;
void test_attr__open(struct perf_event_attr *attr, pid_t pid, struct perf_cpu cpu,
int fd, int group_fd, unsigned long flags);
struct perf_debuginfod {
const char *urls;
bool set;
};
void perf_debuginfod_setup(struct perf_debuginfod *di);
char *filename_with_chroot(int pid, const char *filename);
int do_realloc_array_as_needed(void **arr, size_t *arr_sz, size_t x,
size_t msz, const void *init_val);
#define realloc_array_as_needed(a, n, x, v) ({ \
typeof(x) __x = (x); \
__x >= (n) ? \
do_realloc_array_as_needed((void **)&(a), \
&(n), \
__x, \
sizeof(*(a)), \
(const void *)(v)) : \
0; \
})
#endif /* GIT_COMPAT_UTIL_H */
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