10b57cec5SDimitry Andric /* 20b57cec5SDimitry Andric * kmp_wrapper_getpid.h -- getpid() declaration. 30b57cec5SDimitry Andric */ 40b57cec5SDimitry Andric 50b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 80b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 90b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric #ifndef KMP_WRAPPER_GETPID_H 140b57cec5SDimitry Andric #define KMP_WRAPPER_GETPID_H 150b57cec5SDimitry Andric 160b57cec5SDimitry Andric #if KMP_OS_UNIX 170b57cec5SDimitry Andric 180b57cec5SDimitry Andric // On Unix-like systems (Linux* OS and OS X*) getpid() is declared in standard 190b57cec5SDimitry Andric // headers. 20*1db9f3b2SDimitry Andric #if !defined(KMP_OS_AIX) 210b57cec5SDimitry Andric #include <sys/syscall.h> 22*1db9f3b2SDimitry Andric #endif 230b57cec5SDimitry Andric #include <sys/types.h> 240b57cec5SDimitry Andric #include <unistd.h> 250b57cec5SDimitry Andric #if KMP_OS_DARWIN 260b57cec5SDimitry Andric // OS X 27e8d8bef9SDimitry Andric #define __kmp_gettid() pthread_mach_thread_np(pthread_self()) 285f757f3fSDimitry Andric #elif KMP_OS_FREEBSD || KMP_OS_DRAGONFLY 290b57cec5SDimitry Andric #include <pthread_np.h> 300b57cec5SDimitry Andric #define __kmp_gettid() pthread_getthreadid_np() 310b57cec5SDimitry Andric #elif KMP_OS_NETBSD 320b57cec5SDimitry Andric #include <lwp.h> 330b57cec5SDimitry Andric #define __kmp_gettid() _lwp_self() 34480093f4SDimitry Andric #elif KMP_OS_OPENBSD 35b121cb00SDimitry Andric #define __kmp_gettid() getthrid() 36*1db9f3b2SDimitry Andric #elif KMP_OS_AIX 37*1db9f3b2SDimitry Andric #include <pthread.h> 38*1db9f3b2SDimitry Andric #define __kmp_gettid() pthread_self() 390b57cec5SDimitry Andric #elif defined(SYS_gettid) 400b57cec5SDimitry Andric // Hopefully other Unix systems define SYS_gettid syscall for getting os thread 410b57cec5SDimitry Andric // id 420b57cec5SDimitry Andric #define __kmp_gettid() syscall(SYS_gettid) 430b57cec5SDimitry Andric #else 440b57cec5SDimitry Andric #warning No gettid found, use getpid instead 450b57cec5SDimitry Andric #define __kmp_gettid() getpid() 460b57cec5SDimitry Andric #endif 470b57cec5SDimitry Andric 480b57cec5SDimitry Andric #elif KMP_OS_WINDOWS 490b57cec5SDimitry Andric 500b57cec5SDimitry Andric // On Windows* OS _getpid() returns int (not pid_t) and is declared in 510b57cec5SDimitry Andric // "process.h". 520b57cec5SDimitry Andric #include <process.h> 530b57cec5SDimitry Andric // Let us simulate Unix. 540b57cec5SDimitry Andric #if KMP_MSVC_COMPAT 550b57cec5SDimitry Andric typedef int pid_t; 560b57cec5SDimitry Andric #endif 570b57cec5SDimitry Andric #define getpid _getpid 580b57cec5SDimitry Andric #define __kmp_gettid() GetCurrentThreadId() 590b57cec5SDimitry Andric 600b57cec5SDimitry Andric #else 610b57cec5SDimitry Andric 620b57cec5SDimitry Andric #error Unknown or unsupported OS. 630b57cec5SDimitry Andric 640b57cec5SDimitry Andric #endif 650b57cec5SDimitry Andric 660b57cec5SDimitry Andric /* TODO: All the libomp source code uses pid_t type for storing the result of 670b57cec5SDimitry Andric getpid(), it is good. But often it printed as "%d", that is not good, because 680b57cec5SDimitry Andric it ignores pid_t definition (may pid_t be longer that int?). It seems all pid 690b57cec5SDimitry Andric prints should be rewritten as: 700b57cec5SDimitry Andric 710b57cec5SDimitry Andric printf( "%" KMP_UINT64_SPEC, (kmp_uint64) pid ); 720b57cec5SDimitry Andric 730b57cec5SDimitry Andric or (at least) as 740b57cec5SDimitry Andric 750b57cec5SDimitry Andric printf( "%" KMP_UINT32_SPEC, (kmp_uint32) pid ); 760b57cec5SDimitry Andric 770b57cec5SDimitry Andric (kmp_uint32, kmp_uint64, KMP_UINT64_SPEC, and KMP_UNIT32_SPEC are defined in 780b57cec5SDimitry Andric "kmp_os.h".) */ 790b57cec5SDimitry Andric 800b57cec5SDimitry Andric #endif // KMP_WRAPPER_GETPID_H 810b57cec5SDimitry Andric 820b57cec5SDimitry Andric // end of file // 83