1#pragma once 2#undef NDEBUG 3#include <assert.h> 4#include <dirent.h> 5#include <errno.h> 6#include <stdbool.h> 7#include <stdlib.h> 8#include <string.h> 9#include <unistd.h> 10#include <sys/syscall.h> 11 12static inline pid_t sys_getpid(void) 13{ 14 return syscall(SYS_getpid); 15} 16 17static inline pid_t sys_gettid(void) 18{ 19 return syscall(SYS_gettid); 20} 21 22static inline bool streq(const char *s1, const char *s2) 23{ 24 return strcmp(s1, s2) == 0; 25} 26 27static unsigned long long xstrtoull(const char *p, char **end) 28{ 29 if (*p == '0') { 30 *end = (char *)p + 1; 31 return 0; 32 } else if ('1' <= *p && *p <= '9') { 33 unsigned long long val; 34 35 errno = 0; 36 val = strtoull(p, end, 10); 37 assert(errno == 0); 38 return val; 39 } else 40 assert(0); 41} 42 43static struct dirent *xreaddir(DIR *d) 44{ 45 struct dirent *de; 46 47 errno = 0; 48 de = readdir(d); 49 assert(de || errno == 0); 50 return de; 51} 52