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- /* Definitions for managing subprocesses in GNU Make.
- Copyright (C) 1992, 1993, 1996 Free Software Foundation, Inc.
- This file is part of GNU Make.
-
- GNU Make is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- GNU Make 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNU Make; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #ifndef SEEN_JOB_H
- #define SEEN_JOB_H
-
- /* Structure describing a running or dead child process. */
-
- struct child
- {
- struct child *next; /* Link in the chain. */
-
- struct file *file; /* File being remade. */
-
- char **environment; /* Environment for commands. */
-
- char **command_lines; /* Array of variable-expanded cmd lines. */
- unsigned int command_line; /* Index into above. */
- char *command_ptr; /* Ptr into command_lines[command_line]. */
-
- pid_t pid; /* Child process's ID number. */
- #ifdef VMS
- int efn; /* Completion event flag number */
- int cstatus; /* Completion status */
- #endif
- unsigned int remote:1; /* Nonzero if executing remotely. */
-
- unsigned int noerror:1; /* Nonzero if commands contained a `-'. */
-
- unsigned int good_stdin:1; /* Nonzero if this child has a good stdin. */
- unsigned int deleted:1; /* Nonzero if targets have been deleted. */
- };
-
- extern struct child *children;
-
- extern void new_job PARAMS ((struct file *file));
- extern void reap_children PARAMS ((int block, int err));
- extern void start_waiting_jobs PARAMS ((void));
-
- extern char **construct_command_argv PARAMS ((char *line, char **restp, struct file *file));
- #ifdef VMS
- extern int child_execute_job PARAMS ((char *argv, struct child *child));
- #else
- extern void child_execute_job PARAMS ((int stdin_fd, int stdout_fd, char **argv, char **envp));
- #endif
- #ifdef _AMIGA
- extern void exec_command PARAMS ((char **argv));
- #else
- extern void exec_command PARAMS ((char **argv, char **envp));
- #endif
-
- extern unsigned int job_slots_used;
-
- extern void block_sigs PARAMS ((void));
- #ifdef POSIX
- extern void unblock_sigs PARAMS ((void));
- #else
- #ifdef HAVE_SIGSETMASK
- extern int fatal_signal_mask;
- #define unblock_sigs() sigsetmask (0)
- #else
- #define unblock_sigs()
- #endif
- #endif
-
- #endif /* SEEN_JOB_H */
-