| /* 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 */ |