/* Create a subprocess. Copyright (C) 2019-2021 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #ifndef SUPPORT_SUBPROCESS_H #define SUPPORT_SUBPROCESS_H #include <sys/types.h> struct support_subprocess { int stdout_pipe[2]; int stderr_pipe[2]; pid_t pid; }; /* Invoke CALLBACK (CLOSURE) in a subprocess created with fork and return its PID, a pipe redirected to STDOUT, and a pipe redirected to STDERR. */ struct support_subprocess support_subprocess (void (*callback) (void *), void *closure); /* Issue FILE with ARGV arguments by using posix_spawn and return is PID, a pipe redirected to STDOUT, and a pipe redirected to STDERR. */ struct support_subprocess support_subprogram (const char *file, char *const argv[]); /* Invoke program FILE with ARGV arguments by using posix_spawn and wait for it to complete. Return program exit status. */ int support_subprogram_wait (const char *file, char *const argv[]); /* Wait for the subprocess indicated by PROC::PID. Return the status indicate by waitpid call. */ int support_process_wait (struct support_subprocess *proc); /* Terminate the subprocess indicated by PROC::PID, first with a SIGTERM and then with a SIGKILL. Return the status as for waitpid call. */ int support_process_terminate (struct support_subprocess *proc); #endif