mirror of
https://github.com/mirror/make.git
synced 2024-12-28 22:00:33 +08:00
64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/* Definitions for managing subprocesses in GNU Make.
|
|
Copyright (C) 1992, 1993 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. */
|
|
|
|
/* 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. */
|
|
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 ();
|
|
extern void reap_children ();
|
|
extern void start_waiting_jobs ();
|
|
|
|
extern char **construct_command_argv ();
|
|
extern void child_execute_job ();
|
|
extern void exec_command ();
|
|
|
|
extern unsigned int job_slots_used;
|
|
|
|
#ifdef POSIX
|
|
extern void unblock_sigs ();
|
|
#else
|
|
#ifdef HAVE_SIGSETMASK
|
|
extern int fatal_signal_mask;
|
|
#define unblock_sigs() sigsetmask (0)
|
|
#else
|
|
#define unblock_sigs()
|
|
#endif
|
|
#endif
|