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50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
/* Create a subprocess.
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Copyright (C) 2019-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef SUPPORT_SUBPROCESS_H
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#define SUPPORT_SUBPROCESS_H
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#include <sys/types.h>
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struct support_subprocess
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{
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int stdout_pipe[2];
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int stderr_pipe[2];
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pid_t pid;
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};
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/* Invoke CALLBACK (CLOSURE) in a subprocess created with fork and return
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its PID, a pipe redirected to STDOUT, and a pipe redirected to STDERR. */
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struct support_subprocess support_subprocess
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(void (*callback) (void *), void *closure);
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/* Issue FILE with ARGV arguments by using posix_spawn and return is PID, a
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pipe redirected to STDOUT, and a pipe redirected to STDERR. */
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struct support_subprocess support_subprogram
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(const char *file, char *const argv[]);
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/* Wait for the subprocess indicated by PROC::PID. Return the status
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indicate by waitpid call. */
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int support_process_wait (struct support_subprocess *proc);
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/* Terminate the subprocess indicated by PROC::PID, first with a SIGTERM and
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then with a SIGKILL. Return the status as for waitpid call. */
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int support_process_terminate (struct support_subprocess *proc);
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#endif
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