ovni/compat.h

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/*
* MIT License
*
* Copyright (c) 2022 Barcelona Supercomputing Center (BSC)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef COMPAT_H
#define COMPAT_H
#define _GNU_SOURCE
#include <sys/syscall.h>
#include <unistd.h>
/* Define gettid for older glibc versions (below 2.30) */
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#if defined(__GLIBC__)
#if !__GLIBC_PREREQ(2, 30)
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static inline pid_t gettid(void)
{
return (pid_t)syscall(SYS_gettid);
}
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#endif /* !__GLIBC_PREREQ(2, 30) */
#endif /* defined(__GLIBC__) */
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#endif // COMPAT_H