1 /* 2 * nghttp2 - HTTP/2 C Library 3 * 4 * Copyright (c) 2016 Tatsuhiro Tsujikawa 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining 7 * a copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sublicense, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be 15 * included in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 #ifndef SHRPX_EXEC_H 26 #define SHRPX_EXEC_H 27 28 #include "unistd.h" 29 30 namespace shrpx { 31 32 struct Process { 33 pid_t pid; 34 // fd to read from process 35 int rfd; 36 }; 37 38 // Executes command |argv| after forking current process. The command 39 // should not expect to read from stdin. Parent process can read the 40 // stdout from command using proc.rfd. On success, this function 41 // returns 0, and process information is stored in |proc|. Otherwise, 42 // returns -1. 43 int exec_read_command(Process &proc, char *const argv[]); 44 45 } // namespace shrpx 46 47 #endif // SHRPX_EXEC_H 48