/* Definitions for managing subprocesses in GNU Make.
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
-2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
-Foundation, Inc.
+Copyright (C) 1992-2013 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
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>. */
-#ifndef SEEN_JOB_H
-#define SEEN_JOB_H
+#include "output.h"
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
/* How to set close-on-exec for a file descriptor. */
#if !defined F_SETFD
-# define CLOSE_ON_EXEC(_d)
+# ifdef WINDOWS32
+# define CLOSE_ON_EXEC(_d) process_noinherit(_d)
+# else
+# define CLOSE_ON_EXEC(_d)
+# endif
#else
# ifndef FD_CLOEXEC
# define FD_CLOEXEC 1
# define CLOSE_ON_EXEC(_d) (void) fcntl ((_d), F_SETFD, FD_CLOEXEC)
#endif
+#ifdef NO_OUTPUT_SYNC
+# define RECORD_SYNC_MUTEX(m) \
+ error (NILF, \
+ _("-O[TYPE] (--output-sync[=TYPE]) is not configured for this build."));
+#else
+# ifdef WINDOWS32
+/* For emulations in w32/compat/posixfcn.c. */
+# define F_GETFD 1
+# define F_SETLKW 2
+/* Implementation note: None of the values of l_type below can be zero
+ -- they are compared with a static instance of the struct, so zero
+ means unknown/invalid, see w32/compat/posixfcn.c. */
+# define F_WRLCK 1
+# define F_UNLCK 2
+
+struct flock
+ {
+ short l_type;
+ short l_whence;
+ off_t l_start;
+ off_t l_len;
+ pid_t l_pid;
+ };
+
+/* This type is actually a HANDLE, but we want to avoid including
+ windows.h as much as possible. */
+typedef intptr_t sync_handle_t;
+
+/* Public functions emulated/provided in posixfcn.c. */
+int fcntl (intptr_t fd, int cmd, ...);
+intptr_t create_mutex (void);
+int same_stream (FILE *f1, FILE *f2);
+
+# define RECORD_SYNC_MUTEX(m) record_sync_mutex(m)
+void record_sync_mutex (const char *str);
+void prepare_mutex_handle_string (intptr_t hdl);
+# else /* !WINDOWS32 */
+
+typedef int sync_handle_t; /* file descriptor */
+
+# define RECORD_SYNC_MUTEX(m) (void)(m)
+
+# endif
+#endif /* !NO_OUTPUT_SYNC */
+
/* Structure describing a running or dead child process. */
struct child
{
- struct child *next; /* Link in the chain. */
-
- struct file *file; /* File being remade. */
+ struct child *next; /* Link in the chain. */
- char **environment; /* Environment for commands. */
+ struct file *file; /* File being remade. */
- 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]. */
+ char **environment; /* Environment for commands. */
+ char *sh_batch_file; /* Script file for shell commands */
+ char **command_lines; /* Array of variable-expanded cmd lines. */
+ 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 */
char *comname; /* Temporary command file name */
+ int efn; /* Completion event flag number */
+ int cstatus; /* Completion status */
#endif
- char *sh_batch_file; /* Script file for shell commands */
- 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. */
- unsigned int dontcare:1; /* Saved dontcare flag. */
+ unsigned int command_line; /* Index into command_lines. */
+ struct output output; /* Output for this child. */
+ 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. */
+ unsigned int dontcare:1; /* Saved dontcare flag. */
};
extern struct child *children;
int cmd_flags, char** batch_file);
#ifdef VMS
int child_execute_job (char *argv, struct child *child);
-#elif defined(__EMX__)
-int child_execute_job (int stdin_fd, int stdout_fd, char **argv, char **envp);
#else
-void child_execute_job (int stdin_fd, int stdout_fd, char **argv, char **envp);
+# define FD_STDIN (fileno (stdin))
+# define FD_STDOUT (fileno (stdout))
+# define FD_STDERR (fileno (stderr))
+# if defined(__EMX__)
+int child_execute_job (int stdin_fd, int stdout_fd, int stderr_fd,
+ char **argv, char **envp);
+# else
+void child_execute_job (int stdin_fd, int stdout_fd, int stderr_fd,
+ char **argv, char **envp) __attribute__ ((noreturn));
+# endif
#endif
#ifdef _AMIGA
-void exec_command (char **argv);
+void exec_command (char **argv) __attribute__ ((noreturn));
#elif defined(__EMX__)
int exec_command (char **argv, char **envp);
#else
-void exec_command (char **argv, char **envp);
+void exec_command (char **argv, char **envp) __attribute__ ((noreturn));
#endif
extern unsigned int job_slots_used;
#ifdef POSIX
void unblock_sigs (void);
#else
-#ifdef HAVE_SIGSETMASK
+#ifdef HAVE_SIGSETMASK
extern int fatal_signal_mask;
-#define unblock_sigs() sigsetmask (0)
+#define unblock_sigs() sigsetmask (0)
#else
-#define unblock_sigs()
+#define unblock_sigs()
#endif
#endif
extern unsigned int jobserver_tokens;
-
-#endif /* SEEN_JOB_H */
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