| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License.. |
| |
| #include <sys/types.h> |
| #include <stdlib.h> |
| #include <sys/mman.h> |
| #include <errno.h> |
| |
| void *u_malloc_ocall(int *error, size_t size) |
| { |
| void *ret = malloc(size); |
| if (error) { |
| *error = ret == NULL ? errno : 0; |
| } |
| return ret; |
| } |
| |
| void u_free_ocall(void *p) |
| { |
| free(p); |
| } |
| |
| void *u_mmap_ocall(int *error, void *start, size_t length, int prot, int flags, int fd, off_t offset) |
| { |
| void *ret = mmap(start, length, prot, flags, fd, offset); |
| if (error) { |
| *error = ret == MAP_FAILED ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_munmap_ocall(int *error, void *start, size_t length) |
| { |
| int ret = munmap(start, length); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_msync_ocall(int *error, void *addr, size_t length, int flags) |
| { |
| int ret = msync(addr, length, flags); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_mprotect_ocall(int *error, void *addr, size_t length, int prot) |
| { |
| int ret = mprotect(addr, length, prot); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |