LLVM OpenMP* Runtime Library
src
kmp_wrapper_getpid.h
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/*
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* kmp_wrapper_getpid.h -- getpid() declaration.
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*/
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.txt for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef KMP_WRAPPER_GETPID_H
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#define KMP_WRAPPER_GETPID_H
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#if KMP_OS_UNIX
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// On Unix-like systems (Linux* OS and OS X*) getpid() is declared in standard headers.
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#include <sys/types.h>
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#include <unistd.h>
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#elif KMP_OS_WINDOWS
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// On Windows* OS _getpid() returns int (not pid_t) and is declared in "process.h".
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#include <process.h>
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// Let us simulate Unix.
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typedef
int
pid_t;
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#define getpid _getpid
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#else
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#error Unknown or unsupported OS.
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#endif
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/*
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TODO: All the libomp source code uses pid_t type for storing the result of getpid(), it is good.
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But often it printed as "%d", that is not good, because it ignores pid_t definition (may pid_t
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be longer that int?). It seems all pid prints should be rewritten as
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printf( "%" KMP_UINT64_SPEC, (kmp_uint64) pid );
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or (at least) as
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printf( "%" KMP_UINT32_SPEC, (kmp_uint32) pid );
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(kmp_uint32, kmp_uint64, KMP_UINT64_SPEC, and KMP_UNIT32_SPEC are defined in "kmp_os.h".)
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*/
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#endif // KMP_WRAPPER_GETPID_H
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// end of file //
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