1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __LIBPERF_INTERNAL_LIB_H 3*4882a593Smuzhiyun #define __LIBPERF_INTERNAL_LIB_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <sys/types.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun extern unsigned int page_size; 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun ssize_t readn(int fd, void *buf, size_t n); 10*4882a593Smuzhiyun ssize_t writen(int fd, const void *buf, size_t n); 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #endif /* __LIBPERF_INTERNAL_CPUMAP_H */ 13