1 //===-- Linux implementation of getpid ------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "src/unistd/getpid.h" 10 11 #include "src/__support/OSUtil/syscall.h" // For internal syscall function. 12 #include "src/__support/common.h" 13 14 #include <sys/syscall.h> // For syscall numbers. 15 16 namespace LIBC_NAMESPACE { 17 18 LLVM_LIBC_FUNCTION(pid_t, getpid, ()) { 19 return LIBC_NAMESPACE::syscall_impl<pid_t>(SYS_getpid); 20 } 21 22 } // namespace LIBC_NAMESPACE 23