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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /tools/perf/util/util.h | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/util.h')
-rw-r--r-- | tools/perf/util/util.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h new file mode 100644 index 000000000..2efec9e77 --- /dev/null +++ b/tools/perf/util/util.h @@ -0,0 +1,87 @@ +/* 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); +} + +#define zfree(ptr) ({ free((void *)*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_GET_CURRENT_DIR_NAME +char *get_current_dir_name(void); +#endif + +#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 */ |