1 /* Test of <spawn.h> substitute. 2 Copyright (C) 2009-2021 Free Software Foundation, Inc. 3 4 This program is free software: you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16 17 /* Written by Eric Blake <ebb9@byu.net>, 2009. */ 18 19 #include <config.h> 20 21 #include <spawn.h> 22 23 /* Check for existence of required types. */ 24 struct check 25 { 26 posix_spawnattr_t a; 27 posix_spawn_file_actions_t b; 28 mode_t c; 29 pid_t d; 30 sigset_t e; 31 } s; 32 33 /* struct sched_param is allowed to be an incomplete type without 34 <sched.h>, but must have a forward declaration to avoid a 35 compilation error in the following usage. */ 36 extern void f (struct sched_param *g); 37 #include <sched.h> 38 extern void f (struct sched_param *g); 39 40 int 41 main (void) /* */ 42 { 43 switch (POSIX_SPAWN_RESETIDS) 44 { 45 case POSIX_SPAWN_RESETIDS: 46 case POSIX_SPAWN_SETPGROUP: 47 case POSIX_SPAWN_SETSIGDEF: 48 case POSIX_SPAWN_SETSIGMASK: 49 case (POSIX_SPAWN_SETSCHEDPARAM != 0 ? POSIX_SPAWN_SETSCHEDPARAM : -1): 50 case (POSIX_SPAWN_SETSCHEDULER != 0 ? POSIX_SPAWN_SETSCHEDULER : -2): 51 ; 52 } 53 return s.c + s.d; 54 }