1 /* 2 * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 * 16 */ 17 18 /* clang-format off */ 19 20 /* fork3f.c - Implements LIB3F fork subprogram. */ 21 22 #ifndef WINNT 23 24 /* must include ent3f.h AFTER io3f.h */ 25 #include "io3f.h" 26 #include "ent3f.h" 27 ENT3F(FORK,fork)28int ENT3F(FORK, fork)() 29 { 30 void *f, *q; 31 int pid; 32 33 for (f = GET_FIO_FCBS; f != NULL; f = q) { 34 q = FIO_FCB_NEXT(f); 35 if (fflush(FIO_FCB_FP(f)) != 0) 36 return -__io_errno(); 37 } 38 39 pid = fork(); 40 if (pid < 0) 41 return -__io_errno(); 42 else 43 return pid; 44 } 45 46 #endif /* !WINNT */ 47