| 1 | /* Definitions for managing subprocesses in GNU Make.
|
|---|
| 2 | Copyright (C) 1992, 1993, 1996, 1999 Free Software Foundation, Inc.
|
|---|
| 3 | This file is part of GNU Make.
|
|---|
| 4 |
|
|---|
| 5 | GNU Make is free software; you can redistribute it and/or modify
|
|---|
| 6 | it under the terms of the GNU General Public License as published by
|
|---|
| 7 | the Free Software Foundation; either version 2, or (at your option)
|
|---|
| 8 | any later version.
|
|---|
| 9 |
|
|---|
| 10 | GNU Make is distributed in the hope that it will be useful,
|
|---|
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 13 | GNU General Public License for more details.
|
|---|
| 14 |
|
|---|
| 15 | You should have received a copy of the GNU General Public License
|
|---|
| 16 | along with GNU Make; see the file COPYING. If not, write to
|
|---|
| 17 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|---|
| 18 | Boston, MA 02111-1307, USA. */
|
|---|
| 19 |
|
|---|
| 20 | #ifndef SEEN_JOB_H
|
|---|
| 21 | #define SEEN_JOB_H
|
|---|
| 22 |
|
|---|
| 23 | #ifdef HAVE_FCNTL_H
|
|---|
| 24 | # include <fcntl.h>
|
|---|
| 25 | #else
|
|---|
| 26 | # include <sys/file.h>
|
|---|
| 27 | #endif
|
|---|
| 28 |
|
|---|
| 29 | /* How to set close-on-exec for a file descriptor. */
|
|---|
| 30 |
|
|---|
| 31 | #if !defined F_SETFD
|
|---|
| 32 | # define CLOSE_ON_EXEC(_d)
|
|---|
| 33 | #else
|
|---|
| 34 | # ifndef FD_CLOEXEC
|
|---|
| 35 | # define FD_CLOEXEC 1
|
|---|
| 36 | # endif
|
|---|
| 37 | # define CLOSE_ON_EXEC(_d) (void) fcntl ((_d), F_SETFD, FD_CLOEXEC)
|
|---|
| 38 | #endif
|
|---|
| 39 |
|
|---|
| 40 | /* Structure describing a running or dead child process. */
|
|---|
| 41 |
|
|---|
| 42 | struct child
|
|---|
| 43 | {
|
|---|
| 44 | struct child *next; /* Link in the chain. */
|
|---|
| 45 |
|
|---|
| 46 | struct file *file; /* File being remade. */
|
|---|
| 47 |
|
|---|
| 48 | char **environment; /* Environment for commands. */
|
|---|
| 49 |
|
|---|
| 50 | char **command_lines; /* Array of variable-expanded cmd lines. */
|
|---|
| 51 | unsigned int command_line; /* Index into above. */
|
|---|
| 52 | char *command_ptr; /* Ptr into command_lines[command_line]. */
|
|---|
| 53 |
|
|---|
| 54 | pid_t pid; /* Child process's ID number. */
|
|---|
| 55 | #ifdef VMS
|
|---|
| 56 | int efn; /* Completion event flag number */
|
|---|
| 57 | int cstatus; /* Completion status */
|
|---|
| 58 | #endif
|
|---|
| 59 | char *sh_batch_file; /* Script file for shell commands */
|
|---|
| 60 | unsigned int remote:1; /* Nonzero if executing remotely. */
|
|---|
| 61 |
|
|---|
| 62 | unsigned int noerror:1; /* Nonzero if commands contained a `-'. */
|
|---|
| 63 |
|
|---|
| 64 | unsigned int good_stdin:1; /* Nonzero if this child has a good stdin. */
|
|---|
| 65 | unsigned int deleted:1; /* Nonzero if targets have been deleted. */
|
|---|
| 66 | };
|
|---|
| 67 |
|
|---|
| 68 | extern struct child *children;
|
|---|
| 69 |
|
|---|
| 70 | extern void new_job PARAMS ((struct file *file));
|
|---|
| 71 | extern void reap_children PARAMS ((int block, int err));
|
|---|
| 72 | extern void start_waiting_jobs PARAMS ((void));
|
|---|
| 73 |
|
|---|
| 74 | extern char **construct_command_argv PARAMS ((char *line, char **restp, struct file *file, char** batch_file));
|
|---|
| 75 | #ifdef VMS
|
|---|
| 76 | extern int child_execute_job PARAMS ((char *argv, struct child *child));
|
|---|
| 77 | #elif defined(__EMX__)
|
|---|
| 78 | extern int child_execute_job PARAMS ((int stdin_fd, int stdout_fd, char **argv, char **envp));
|
|---|
| 79 | #else
|
|---|
| 80 | extern void child_execute_job PARAMS ((int stdin_fd, int stdout_fd, char **argv, char **envp));
|
|---|
| 81 | #endif
|
|---|
| 82 | #ifdef _AMIGA
|
|---|
| 83 | extern void exec_command PARAMS ((char **argv));
|
|---|
| 84 | #elif defined(__EMX__)
|
|---|
| 85 | extern int exec_command PARAMS ((char **argv, char **envp));
|
|---|
| 86 | #else
|
|---|
| 87 | extern void exec_command PARAMS ((char **argv, char **envp));
|
|---|
| 88 | #endif
|
|---|
| 89 |
|
|---|
| 90 | extern unsigned int job_slots_used;
|
|---|
| 91 |
|
|---|
| 92 | extern void block_sigs PARAMS ((void));
|
|---|
| 93 | #ifdef POSIX
|
|---|
| 94 | extern void unblock_sigs PARAMS ((void));
|
|---|
| 95 | #else
|
|---|
| 96 | #ifdef HAVE_SIGSETMASK
|
|---|
| 97 | extern int fatal_signal_mask;
|
|---|
| 98 | #define unblock_sigs() sigsetmask (0)
|
|---|
| 99 | #else
|
|---|
| 100 | #define unblock_sigs()
|
|---|
| 101 | #endif
|
|---|
| 102 | #endif
|
|---|
| 103 |
|
|---|
| 104 | #endif /* SEEN_JOB_H */
|
|---|
