| /* |
| * kmp_wrapper_getpid.h -- getpid() declaration. |
| */ |
| |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef KMP_WRAPPER_GETPID_H |
| #define KMP_WRAPPER_GETPID_H |
| |
| #if KMP_OS_UNIX |
| |
| // On Unix-like systems (Linux* OS and OS X*) getpid() is declared in standard |
| // headers. |
| #if !defined(KMP_OS_AIX) |
| #include <sys/syscall.h> |
| #endif |
| #include <sys/types.h> |
| #include <unistd.h> |
| #if KMP_OS_DARWIN |
| // OS X |
| #define __kmp_gettid() pthread_mach_thread_np(pthread_self()) |
| #elif KMP_OS_FREEBSD || KMP_OS_DRAGONFLY |
| #include <pthread_np.h> |
| #define __kmp_gettid() pthread_getthreadid_np() |
| #elif KMP_OS_NETBSD |
| #include <lwp.h> |
| #define __kmp_gettid() _lwp_self() |
| #elif KMP_OS_OPENBSD |
| #define __kmp_gettid() getthrid() |
| #elif KMP_OS_AIX |
| #include <pthread.h> |
| #define __kmp_gettid() pthread_self() |
| #elif defined(SYS_gettid) |
| // Hopefully other Unix systems define SYS_gettid syscall for getting os thread |
| // id |
| #define __kmp_gettid() syscall(SYS_gettid) |
| #else |
| #warning No gettid found, use getpid instead |
| #define __kmp_gettid() getpid() |
| #endif |
| |
| #elif KMP_OS_WINDOWS |
| |
| // On Windows* OS _getpid() returns int (not pid_t) and is declared in |
| // "process.h". |
| #include <process.h> |
| // Let us simulate Unix. |
| #if KMP_MSVC_COMPAT |
| typedef int pid_t; |
| #endif |
| #define getpid _getpid |
| #define __kmp_gettid() GetCurrentThreadId() |
| |
| #else |
| |
| #error Unknown or unsupported OS. |
| |
| #endif |
| |
| /* TODO: All the libomp source code uses pid_t type for storing the result of |
| getpid(), it is good. But often it printed as "%d", that is not good, because |
| it ignores pid_t definition (may pid_t be longer that int?). It seems all pid |
| prints should be rewritten as: |
| |
| printf( "%" KMP_UINT64_SPEC, (kmp_uint64) pid ); |
| |
| or (at least) as |
| |
| printf( "%" KMP_UINT32_SPEC, (kmp_uint32) pid ); |
| |
| (kmp_uint32, kmp_uint64, KMP_UINT64_SPEC, and KMP_UNIT32_SPEC are defined in |
| "kmp_os.h".) */ |
| |
| #endif // KMP_WRAPPER_GETPID_H |
| |
| // end of file // |