glibc/support/subprocess.h
Paul Eggert 581c785bf3 Update copyright dates with scripts/update-copyrights
I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 7061 files FOO.

I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah.  I don't
know why I run into these diagnostics whereas others evidently do not.

remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
2022-01-01 11:40:24 -08:00

55 lines
2.0 KiB
C

/* Create a subprocess.
Copyright (C) 2019-2022 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