| 1 | /* |
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| 2 | * kmp_wrapper_getpid.h -- getpid() declaration. |
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| 3 | */ |
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| 4 | |
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| 5 | //===----------------------------------------------------------------------===// |
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| 6 | // |
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| 7 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 8 | // See https://llvm.org/LICENSE.txt for license information. |
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| 9 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #ifndef KMP_WRAPPER_GETPID_H |
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| 14 | #define KMP_WRAPPER_GETPID_H |
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| 15 | |
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| 16 | #if KMP_OS_UNIX |
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| 17 | |
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| 18 | // On Unix-like systems (Linux* OS and OS X*) getpid() is declared in standard |
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| 19 | // headers. |
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| 20 | #if !KMP_OS_AIX && !KMP_OS_HAIKU |
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| 21 | #include <sys/syscall.h> |
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| 22 | #endif |
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| 23 | #include <sys/types.h> |
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| 24 | #include <unistd.h> |
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| 25 | #if KMP_OS_DARWIN |
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| 26 | // OS X |
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| 27 | #define __kmp_gettid() pthread_mach_thread_np(pthread_self()) |
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| 28 | #elif KMP_OS_FREEBSD || KMP_OS_DRAGONFLY |
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| 29 | #include <pthread_np.h> |
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| 30 | #define __kmp_gettid() pthread_getthreadid_np() |
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| 31 | #elif KMP_OS_NETBSD |
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| 32 | #include <lwp.h> |
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| 33 | #define __kmp_gettid() _lwp_self() |
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| 34 | #elif KMP_OS_OPENBSD |
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| 35 | #define __kmp_gettid() getthrid() |
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| 36 | #elif KMP_OS_AIX || KMP_OS_SOLARIS |
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| 37 | #include <pthread.h> |
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| 38 | #define __kmp_gettid() pthread_self() |
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| 39 | #elif KMP_OS_HAIKU |
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| 40 | #include <OS.h> |
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| 41 | #define __kmp_gettid() find_thread(NULL) |
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| 42 | #elif defined(SYS_gettid) |
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| 43 | // Hopefully other Unix systems define SYS_gettid syscall for getting os thread |
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| 44 | // id |
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| 45 | #define __kmp_gettid() syscall(SYS_gettid) |
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| 46 | #else |
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| 47 | #warning No gettid found, use getpid instead |
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| 48 | #define __kmp_gettid() getpid() |
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| 49 | #endif |
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| 50 | |
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| 51 | #elif KMP_OS_WINDOWS |
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| 52 | |
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| 53 | // On Windows* OS _getpid() returns int (not pid_t) and is declared in |
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| 54 | // "process.h". |
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| 55 | #include <process.h> |
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| 56 | // Let us simulate Unix. |
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| 57 | #if KMP_MSVC_COMPAT |
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| 58 | typedef int pid_t; |
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| 59 | #endif |
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| 60 | #define getpid _getpid |
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| 61 | #define __kmp_gettid() GetCurrentThreadId() |
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| 62 | |
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| 63 | #else |
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| 64 | |
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| 65 | #error Unknown or unsupported OS. |
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| 66 | |
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| 67 | #endif |
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| 68 | |
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| 69 | /* TODO: All the libomp source code uses pid_t type for storing the result of |
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| 70 | getpid(), it is good. But often it printed as "%d", that is not good, because |
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| 71 | it ignores pid_t definition (may pid_t be longer that int?). It seems all pid |
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| 72 | prints should be rewritten as: |
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| 73 | |
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| 74 | printf( "%" KMP_UINT64_SPEC, (kmp_uint64) pid ); |
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| 75 | |
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| 76 | or (at least) as |
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| 77 | |
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| 78 | printf( "%" KMP_UINT32_SPEC, (kmp_uint32) pid ); |
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| 79 | |
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| 80 | (kmp_uint32, kmp_uint64, KMP_UINT64_SPEC, and KMP_UNIT32_SPEC are defined in |
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| 81 | "kmp_os.h".) */ |
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| 82 | |
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| 83 | #endif // KMP_WRAPPER_GETPID_H |
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| 84 | |
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| 85 | // end of file // |
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| 86 | |
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