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https://github.com/openvswitch/ovs
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cafc0664aa
Add defines needed to compile netlink-socket.c and netlink.c. Add a wrapper and the functionality behind it for syconf. Add the newly created files to the noinst_HEADERS in windows/automake.mk Signed-off-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com> Signed-off-by: Ben Pfaff <blp@nicira.com>
77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/*
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* Copyright (c) 2014 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _UNISTD_H
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#define _UNISTD_H 1
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#define fsync _commit
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/* Standard file descriptors. */
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#define STDIN_FILENO 0 /* Standard input. */
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#define STDOUT_FILENO 1 /* Standard output. */
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#define STDERR_FILENO 2 /* Standard error output. */
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#define _SC_UIO_MAXIOV 2
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#define _XOPEN_IOV_MAX 16
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#define _SC_PAGESIZE 0x1
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#define _SC_NPROCESSORS_ONLN 0x2
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#define _SC_PHYS_PAGES 0x4
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__inline int GetNumLogicalProcessors(void)
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{
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SYSTEM_INFO info_temp;
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GetSystemInfo(&info_temp);
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long int n_cores = info_temp.dwNumberOfProcessors;
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return n_cores;
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}
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__inline long sysconf(int type)
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{
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long value = -1;
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long page_size = -1;
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SYSTEM_INFO sys_info;
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MEMORYSTATUSEX status;
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switch (type) {
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case _SC_NPROCESSORS_ONLN:
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value = GetNumLogicalProcessors();
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break;
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case _SC_PAGESIZE:
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GetSystemInfo(&sys_info);
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value = sys_info.dwPageSize;
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break;
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case _SC_PHYS_PAGES:
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status.dwLength = sizeof(status);
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page_size = sysconf(_SC_PAGESIZE);
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if (GlobalMemoryStatusEx(&status) && page_size != -1) {
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value = status.ullTotalPhys / page_size;
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}
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break;
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default:
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break;
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}
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return value;
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}
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#endif /* unistd.h */
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