root/trunk/freewrt/tools/gmake/job.h

Revision 2223, 3.4 kB (checked in by tg, 5 years ago)

add some of the sources from GNU make 3.81
unchanged

Line 
1 /* Definitions for managing subprocesses in GNU Make.
2 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
3 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
4 This file is part of GNU Make.
5
6 GNU Make is free software; you can redistribute it and/or modify it under the
7 terms of the GNU General Public License as published by the Free Software
8 Foundation; either version 2, or (at your option) any later version.
9
10 GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
11 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License along with
15 GNU Make; see the file COPYING.  If not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.  */
17
18 #ifndef SEEN_JOB_H
19 #define SEEN_JOB_H
20
21 #ifdef HAVE_FCNTL_H
22 # include <fcntl.h>
23 #else
24 # include <sys/file.h>
25 #endif
26
27 /* How to set close-on-exec for a file descriptor.  */
28
29 #if !defined F_SETFD
30 # define CLOSE_ON_EXEC(_d)
31 #else
32 # ifndef FD_CLOEXEC
33 #  define FD_CLOEXEC 1
34 # endif
35 # define CLOSE_ON_EXEC(_d) (void) fcntl ((_d), F_SETFD, FD_CLOEXEC)
36 #endif
37
38 /* Structure describing a running or dead child process.  */
39
40 struct child
41   {
42     struct child *next;         /* Link in the chain.  */
43
44     struct file *file;          /* File being remade.  */
45
46     char **environment;         /* Environment for commands.  */
47
48     char **command_lines;       /* Array of variable-expanded cmd lines.  */
49     unsigned int command_line;  /* Index into above.  */
50     char *command_ptr;          /* Ptr into command_lines[command_line].  */
51
52     pid_t pid;                  /* Child process's ID number.  */
53 #ifdef VMS
54     int efn;                    /* Completion event flag number */
55     int cstatus;                /* Completion status */
56 #endif
57     char *sh_batch_file;        /* Script file for shell commands */
58     unsigned int remote:1;      /* Nonzero if executing remotely.  */
59
60     unsigned int noerror:1;     /* Nonzero if commands contained a `-'.  */
61
62     unsigned int good_stdin:1;  /* Nonzero if this child has a good stdin.  */
63     unsigned int deleted:1;     /* Nonzero if targets have been deleted.  */
64     unsigned int dontcare:1;    /* Saved dontcare flag.  */
65   };
66
67 extern struct child *children;
68
69 extern void new_job PARAMS ((struct file *file));
70 extern void reap_children PARAMS ((int block, int err));
71 extern void start_waiting_jobs PARAMS ((void));
72
73 extern char **construct_command_argv PARAMS ((char *line, char **restp, struct file *file, char** batch_file));
74 #ifdef VMS
75 extern int child_execute_job PARAMS ((char *argv, struct child *child));
76 #elif defined(__EMX__)
77 extern int child_execute_job PARAMS ((int stdin_fd, int stdout_fd, char **argv, char **envp));
78 #else
79 extern void child_execute_job PARAMS ((int stdin_fd, int stdout_fd, char **argv, char **envp));
80 #endif
81 #ifdef _AMIGA
82 extern void exec_command PARAMS ((char **argv));
83 #elif defined(__EMX__)
84 extern int exec_command PARAMS ((char **argv, char **envp));
85 #else
86 extern void exec_command PARAMS ((char **argv, char **envp));
87 #endif
88
89 extern unsigned int job_slots_used;
90
91 extern void block_sigs PARAMS ((void));
92 #ifdef POSIX
93 extern void unblock_sigs PARAMS ((void));
94 #else
95 #ifdef  HAVE_SIGSETMASK
96 extern int fatal_signal_mask;
97 #define unblock_sigs()  sigsetmask (0)
98 #else
99 #define unblock_sigs()
100 #endif
101 #endif
102
103 extern unsigned int jobserver_tokens;
104
105 #endif /* SEEN_JOB_H */
Note: See TracBrowser for help on using the browser.