Release 4.18 tools/perf/util/util.h

/* 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 <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdarg.h>
#include <linux/compiler.h>
#include <sys/types.h>

/* General helper functions */
void usage(const char *err) __noreturn;
void die(const char *err, ...) __noreturn __printf(1, 2);



static inline void *zalloc(size_t size)
{
	return calloc(1, size);
}

Contributors
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Tokens
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Arnaldo Carvalho de Melo
19
100.00%
1
100.00%
Total
19
100.00%
1
100.00%


#define zfree(ptr) ({ free(*ptr); *ptr = NULL; })

struct dirent;
struct nsinfo;
struct strlist;

int mkdir_p(char *path, mode_t mode);
int rm_rf(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);
int copyfile(const char *from, const char *to);
int copyfile_mode(const char *from, const char *to, mode_t mode);
int copyfile_ns(const char *from, const char *to, struct nsinfo *nsi);

ssize_t readn(int fd, void *buf, size_t n);
ssize_t writen(int fd, const void *buf, size_t n);

size_t hex_width(u64 v);
int hex2u64(const char *ptr, u64 *val);

extern unsigned int page_size;
int __pure cacheline_size(void);

int sysctl__max_stack(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)

const char *perf_tip(const char *dirpath);

#ifndef HAVE_SCHED_GETCPU_SUPPORT
int sched_getcpu(void);
#endif

#ifndef HAVE_SETNS_SUPPORT
int setns(int fd, int nstype);
#endif

extern bool perf_singlethreaded;

void perf_set_singlethreaded(void);
void perf_set_multithreaded(void);

#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

#endif /* GIT_COMPAT_UTIL_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Arnaldo Carvalho de Melo
182
43.96%
19
50.00%
Ingo Molnar
49
11.84%
1
2.63%
Wang Nan
47
11.35%
2
5.26%
Masami Hiramatsu
40
9.66%
1
2.63%
Jiri Olsa
29
7.00%
3
7.89%
Namhyung Kim
20
4.83%
3
7.89%
Krister Johansen
18
4.35%
1
2.63%
Adrian Hunter
17
4.11%
1
2.63%
Chanho Park
5
1.21%
1
2.63%
Don Zickus
2
0.48%
1
2.63%
Borislav Petkov
1
0.24%
1
2.63%
Joe Stringer
1
0.24%
1
2.63%
David Carrillo-Cisneros
1
0.24%
1
2.63%
Greg Kroah-Hartman
1
0.24%
1
2.63%
Kan Liang
1
0.24%
1
2.63%
Total
414
100.00%
38
100.00%
Directory: tools/perf/util

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