compute-runtime/shared/source/os_interface/linux/sys_calls_linux.cpp

92 lines
2.0 KiB
C++

/*
* Copyright (C) 2020-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/os_interface/linux/sys_calls.h"
#include <dlfcn.h>
#include <fcntl.h>
#include <iostream>
#include <poll.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/sysmacros.h>
#include <unistd.h>
namespace NEO {
namespace SysCalls {
unsigned int getProcessId() {
return getpid();
}
int close(int fileDescriptor) {
return ::close(fileDescriptor);
}
int open(const char *file, int flags) {
return ::open(file, flags);
}
int ioctl(int fileDescriptor, unsigned long int request, void *arg) {
return ::ioctl(fileDescriptor, request, arg);
}
void *dlopen(const char *filename, int flag) {
return ::dlopen(filename, flag);
}
int access(const char *pathName, int mode) {
return ::access(pathName, mode);
}
int readlink(const char *path, char *buf, size_t bufsize) {
return static_cast<int>(::readlink(path, buf, bufsize));
}
int getDevicePath(int deviceFd, char *buf, size_t &bufSize) {
struct stat st;
if (::fstat(deviceFd, &st)) {
return -1;
}
snprintf(buf, bufSize, "/sys/dev/char/%d:%d",
major(st.st_rdev), minor(st.st_rdev));
return 0;
}
int poll(struct pollfd *pollFd, unsigned long int numberOfFds, int timeout) {
return ::poll(pollFd, numberOfFds, timeout);
}
int fstat(int fd, struct stat *buf) {
return ::fstat(fd, buf);
}
ssize_t pread(int fd, void *buf, size_t count, off_t offset) {
return ::pread(fd, buf, count, offset);
}
ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset) {
return ::pwrite(fd, buf, count, offset);
}
void *mmap(void *addr, size_t size, int prot, int flags, int fd, off_t off) {
return ::mmap(addr, size, prot, flags, fd, off);
}
int munmap(void *addr, size_t size) {
return ::munmap(addr, size);
}
ssize_t read(int fd, void *buf, size_t count) {
return ::read(fd, buf, count);
}
} // namespace SysCalls
} // namespace NEO