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59 lines
2.5 KiB
C
59 lines
2.5 KiB
C
/* exechelp.h - Definitions for the fork and exec helpers
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* Copyright (C) 2004 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GnuPG 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*/
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#ifndef GNUPG_COMMON_EXECHELP_H
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#define GNUPG_COMMON_EXECHELP_H
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/* Fork and exec the PGMNAME, connect the file descriptor of INFILE to
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stdin, write the output to OUTFILE, return a new stream in
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STATUSFILE for stderr and the pid of the process in PID. The
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arguments for the process are expected in the NULL terminated array
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ARGV. The program name itself should not be included there. if
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PREEXEC is not NULL, that function will be called right before the
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exec. Returns 0 on success or an error code. */
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gpg_error_t gnupg_spawn_process (const char *pgmname, const char *argv[],
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FILE *infile, FILE *outfile,
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void (*preexec)(void),
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FILE **statusfile, pid_t *pid);
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/* Wait for the process identified by PID to terminate. PGMNAME should
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be the same as suplieed to the spawn fucntion and is only used for
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diagnostics. Returns 0 if the process succeded, GPG_ERR_GENERAL for
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any failures of the spawned program or other error codes.*/
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gpg_error_t gnupg_wait_process (const char *pgmname, pid_t pid);
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/* Spawn a new process and immediatley detach from it. The name of
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the program to exec is PGMNAME and its arguments are in ARGV (the
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programname is automatically passed as first argument).
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Environment strings in ENVP are set. An error is returned if
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pgmname is not executable; to make this work it is necessary to
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provide an absolute file name. */
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gpg_error_t gnupg_spawn_process_detached (const char *pgmname,
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const char *argv[],
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const char *envp[] );
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#endif /*GNUPG_COMMON_EXECHELP_H*/
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