*/
static pid_t
create_pipe (const char *progname,
- const char *prog_path, char **prog_argv,
- bool pipe_stdin, bool pipe_stdout,
- const char *prog_stdin, const char *prog_stdout,
- bool null_stderr,
- bool slave_process, bool exit_on_error,
- int fd[2])
+ const char *prog_path, char **prog_argv,
+ bool pipe_stdin, bool pipe_stdout,
+ const char *prog_stdin, const char *prog_stdout,
+ bool null_stderr,
+ bool slave_process, bool exit_on_error,
+ int fd[2])
{
#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
if ((!pipe_stdin || dup2 (ofd[0], STDIN_FILENO) >= 0)
&& (!pipe_stdout || dup2 (ifd[1], STDOUT_FILENO) >= 0)
&& (!null_stderr
- || ((nulloutfd = open ("NUL", O_RDWR, 0)) >= 0
- && (nulloutfd == STDERR_FILENO
- || (dup2 (nulloutfd, STDERR_FILENO) >= 0
- && close (nulloutfd) >= 0))))
+ || ((nulloutfd = open ("NUL", O_RDWR, 0)) >= 0
+ && (nulloutfd == STDERR_FILENO
+ || (dup2 (nulloutfd, STDERR_FILENO) >= 0
+ && close (nulloutfd) >= 0))))
&& (pipe_stdin
- || prog_stdin == NULL
- || ((stdinfd = open (prog_stdin, O_RDONLY, 0)) >= 0
- && (stdinfd == STDIN_FILENO
- || (dup2 (stdinfd, STDIN_FILENO) >= 0
- && close (stdinfd) >= 0))))
+ || prog_stdin == NULL
+ || ((stdinfd = open (prog_stdin, O_RDONLY, 0)) >= 0
+ && (stdinfd == STDIN_FILENO
+ || (dup2 (stdinfd, STDIN_FILENO) >= 0
+ && close (stdinfd) >= 0))))
&& (pipe_stdout
- || prog_stdout == NULL
- || ((stdoutfd = open (prog_stdout, O_WRONLY, 0)) >= 0
- && (stdoutfd == STDOUT_FILENO
- || (dup2 (stdoutfd, STDOUT_FILENO) >= 0
- && close (stdoutfd) >= 0)))))
+ || prog_stdout == NULL
+ || ((stdoutfd = open (prog_stdout, O_WRONLY, 0)) >= 0
+ && (stdoutfd == STDOUT_FILENO
+ || (dup2 (stdoutfd, STDOUT_FILENO) >= 0
+ && close (stdoutfd) >= 0)))))
/* The child process doesn't inherit ifd[0], ifd[1], ofd[0], ofd[1],
but it inherits all open()ed or dup2()ed file handles (which is what
we want in the case of STD*_FILENO). */
[un]setenv(). */
{
child = spawnvpe (P_NOWAIT, prog_path, (const char **) prog_argv,
- (const char **) environ);
+ (const char **) environ);
if (child < 0 && errno == ENOEXEC)
- {
- /* prog is not an native executable. Try to execute it as a
- shell script. Note that prepare_spawn() has already prepended
- a hidden element "sh.exe" to prog_argv. */
- --prog_argv;
- child = spawnvpe (P_NOWAIT, prog_argv[0], (const char **) prog_argv,
- (const char **) environ);
- }
+ {
+ /* prog is not an native executable. Try to execute it as a
+ shell script. Note that prepare_spawn() has already prepended
+ a hidden element "sh.exe" to prog_argv. */
+ --prog_argv;
+ child = spawnvpe (P_NOWAIT, prog_argv[0], (const char **) prog_argv,
+ (const char **) environ);
+ }
}
if (stdinfd >= 0)
close (stdinfd);
if (child == -1)
{
if (exit_on_error || !null_stderr)
- error (exit_on_error ? EXIT_FAILURE : 0, errno,
- _("%s subprocess failed"), progname);
+ error (exit_on_error ? EXIT_FAILURE : 0, errno,
+ _("%s subprocess failed"), progname);
if (pipe_stdout)
- close (ifd[0]);
+ close (ifd[0]);
if (pipe_stdin)
- close (ofd[1]);
+ close (ofd[1]);
return -1;
}
attrs_allocated = false;
if ((err = posix_spawn_file_actions_init (&actions)) != 0
|| (actions_allocated = true,
- (pipe_stdin
- && (err = posix_spawn_file_actions_adddup2 (&actions,
- ofd[0], STDIN_FILENO))
- != 0)
- || (pipe_stdout
- && (err = posix_spawn_file_actions_adddup2 (&actions,
- ifd[1], STDOUT_FILENO))
- != 0)
- || (pipe_stdin
- && (err = posix_spawn_file_actions_addclose (&actions, ofd[0]))
- != 0)
- || (pipe_stdout
- && (err = posix_spawn_file_actions_addclose (&actions, ifd[1]))
- != 0)
- || (pipe_stdin
- && (err = posix_spawn_file_actions_addclose (&actions, ofd[1]))
- != 0)
- || (pipe_stdout
- && (err = posix_spawn_file_actions_addclose (&actions, ifd[0]))
- != 0)
- || (null_stderr
- && (err = posix_spawn_file_actions_addopen (&actions,
- STDERR_FILENO,
- "/dev/null", O_RDWR,
- 0))
- != 0)
- || (!pipe_stdin
- && prog_stdin != NULL
- && (err = posix_spawn_file_actions_addopen (&actions,
- STDIN_FILENO,
- prog_stdin, O_RDONLY,
- 0))
- != 0)
- || (!pipe_stdout
- && prog_stdout != NULL
- && (err = posix_spawn_file_actions_addopen (&actions,
- STDOUT_FILENO,
- prog_stdout, O_WRONLY,
- 0))
- != 0)
- || (slave_process
- && ((err = posix_spawnattr_init (&attrs)) != 0
- || (attrs_allocated = true,
- (err = posix_spawnattr_setsigmask (&attrs,
- &blocked_signals))
- != 0
- || (err = posix_spawnattr_setflags (&attrs,
- POSIX_SPAWN_SETSIGMASK))
- != 0)))
- || (err = posix_spawnp (&child, prog_path, &actions,
- attrs_allocated ? &attrs : NULL, prog_argv,
- environ))
- != 0))
+ (pipe_stdin
+ && (err = posix_spawn_file_actions_adddup2 (&actions,
+ ofd[0], STDIN_FILENO))
+ != 0)
+ || (pipe_stdout
+ && (err = posix_spawn_file_actions_adddup2 (&actions,
+ ifd[1], STDOUT_FILENO))
+ != 0)
+ || (pipe_stdin
+ && (err = posix_spawn_file_actions_addclose (&actions, ofd[0]))
+ != 0)
+ || (pipe_stdout
+ && (err = posix_spawn_file_actions_addclose (&actions, ifd[1]))
+ != 0)
+ || (pipe_stdin
+ && (err = posix_spawn_file_actions_addclose (&actions, ofd[1]))
+ != 0)
+ || (pipe_stdout
+ && (err = posix_spawn_file_actions_addclose (&actions, ifd[0]))
+ != 0)
+ || (null_stderr
+ && (err = posix_spawn_file_actions_addopen (&actions,
+ STDERR_FILENO,
+ "/dev/null", O_RDWR,
+ 0))
+ != 0)
+ || (!pipe_stdin
+ && prog_stdin != NULL
+ && (err = posix_spawn_file_actions_addopen (&actions,
+ STDIN_FILENO,
+ prog_stdin, O_RDONLY,
+ 0))
+ != 0)
+ || (!pipe_stdout
+ && prog_stdout != NULL
+ && (err = posix_spawn_file_actions_addopen (&actions,
+ STDOUT_FILENO,
+ prog_stdout, O_WRONLY,
+ 0))
+ != 0)
+ || (slave_process
+ && ((err = posix_spawnattr_init (&attrs)) != 0
+ || (attrs_allocated = true,
+ (err = posix_spawnattr_setsigmask (&attrs,
+ &blocked_signals))
+ != 0
+ || (err = posix_spawnattr_setflags (&attrs,
+ POSIX_SPAWN_SETSIGMASK))
+ != 0)))
+ || (err = posix_spawnp (&child, prog_path, &actions,
+ attrs_allocated ? &attrs : NULL, prog_argv,
+ environ))
+ != 0))
{
if (actions_allocated)
- posix_spawn_file_actions_destroy (&actions);
+ posix_spawn_file_actions_destroy (&actions);
if (attrs_allocated)
- posix_spawnattr_destroy (&attrs);
+ posix_spawnattr_destroy (&attrs);
if (slave_process)
- unblock_fatal_signals ();
+ unblock_fatal_signals ();
if (exit_on_error || !null_stderr)
- error (exit_on_error ? EXIT_FAILURE : 0, err,
- _("%s subprocess failed"), progname);
+ error (exit_on_error ? EXIT_FAILURE : 0, err,
+ _("%s subprocess failed"), progname);
if (pipe_stdout)
- {
- close (ifd[0]);
- close (ifd[1]);
- }
+ {
+ close (ifd[0]);
+ close (ifd[1]);
+ }
if (pipe_stdin)
- {
- close (ofd[0]);
- close (ofd[1]);
- }
+ {
+ close (ofd[0]);
+ close (ofd[1]);
+ }
return -1;
}
posix_spawn_file_actions_destroy (&actions);
*/
pid_t
create_pipe_bidi (const char *progname,
- const char *prog_path, char **prog_argv,
- bool null_stderr,
- bool slave_process, bool exit_on_error,
- int fd[2])
+ const char *prog_path, char **prog_argv,
+ bool null_stderr,
+ bool slave_process, bool exit_on_error,
+ int fd[2])
{
pid_t result = create_pipe (progname, prog_path, prog_argv,
- true, true, NULL, NULL,
- null_stderr, slave_process, exit_on_error,
- fd);
+ true, true, NULL, NULL,
+ null_stderr, slave_process, exit_on_error,
+ fd);
return result;
}
*/
pid_t
create_pipe_in (const char *progname,
- const char *prog_path, char **prog_argv,
- const char *prog_stdin, bool null_stderr,
- bool slave_process, bool exit_on_error,
- int fd[1])
+ const char *prog_path, char **prog_argv,
+ const char *prog_stdin, bool null_stderr,
+ bool slave_process, bool exit_on_error,
+ int fd[1])
{
int iofd[2];
pid_t result = create_pipe (progname, prog_path, prog_argv,
- false, true, prog_stdin, NULL,
- null_stderr, slave_process, exit_on_error,
- iofd);
+ false, true, prog_stdin, NULL,
+ null_stderr, slave_process, exit_on_error,
+ iofd);
if (result != -1)
fd[0] = iofd[0];
return result;
*/
pid_t
create_pipe_out (const char *progname,
- const char *prog_path, char **prog_argv,
- const char *prog_stdout, bool null_stderr,
- bool slave_process, bool exit_on_error,
- int fd[1])
+ const char *prog_path, char **prog_argv,
+ const char *prog_stdout, bool null_stderr,
+ bool slave_process, bool exit_on_error,
+ int fd[1])
{
int iofd[2];
pid_t result = create_pipe (progname, prog_path, prog_argv,
- true, false, NULL, prog_stdout,
- null_stderr, slave_process, exit_on_error,
- iofd);
+ true, false, NULL, prog_stdout,
+ null_stderr, slave_process, exit_on_error,
+ iofd);
if (result != -1)
fd[0] = iofd[1];
return result;
projects / gnulib.git / blobdiff