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Remove cleanups from ser-mingw.c

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This removes the only cleanup from ser-mingw.c, replacing it with a
specialization of std::unique_ptr.

Tested by the buildbot.

gdb/ChangeLog
2018-06-18  Tom Tromey  <tom@tromey.com>

	* ser-mingw.c (struct pipe_state_destroyer): New.
	(pipe_state_up): New typedef.
	(cleanup_pipe_state): Remove.
	(pipe_windows_open): Use pipe_state_up.  Don't release argv.
This commit is contained in:
Tom Tromey 2018-06-07 16:49:57 -06:00
parent 69d340c684
commit 3f0dbd670b
2 changed files with 20 additions and 20 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
2018-06-18 Tom Tromey <tom@tromey.com>
* ser-mingw.c (struct pipe_state_destroyer): New.
(pipe_state_up): New typedef.
(cleanup_pipe_state): Remove.
(pipe_windows_open): Use pipe_state_up. Don't release argv.
2018-06-18 Tom Tromey <tom@tromey.com>
* rust-lang.h (rust_yyerror): Don't declare.

33
gdb/ser-mingw.c
View File

@ -848,20 +848,20 @@ free_pipe_state (struct pipe_state *ps)
errno = saved_errno;
}
static void
cleanup_pipe_state (void *untyped)
struct pipe_state_destroyer
{
struct pipe_state *ps = (struct pipe_state *) untyped;
void operator() (pipe_state *ps) const
{
free_pipe_state (ps);
}
};
free_pipe_state (ps);
}
typedef std::unique_ptr<pipe_state, pipe_state_destroyer> pipe_state_up;
static int
pipe_windows_open (struct serial *scb, const char *name)
{
struct pipe_state *ps;
FILE *pex_stderr;
struct cleanup *back_to;
if (name == NULL)
error_no_arg (_("child command"));
@ -871,15 +871,14 @@ pipe_windows_open (struct serial *scb, const char *name)
if (! argv[0] || argv[0][0] == '\0')
error (_("missing child command"));
ps = make_pipe_state ();
back_to = make_cleanup (cleanup_pipe_state, ps);
pipe_state_up ps (make_pipe_state ());
ps->pex = pex_init (PEX_USE_PIPES, "target remote pipe", NULL);
if (! ps->pex)
goto fail;
return -1;
ps->input = pex_input_pipe (ps->pex, 1);
if (! ps->input)
goto fail;
return -1;
{
int err;
@ -906,23 +905,17 @@ pipe_windows_open (struct serial *scb, const char *name)
ps->output = pex_read_output (ps->pex, 1);
if (! ps->output)
goto fail;
return -1;
scb->fd = fileno (ps->output);
pex_stderr = pex_read_err (ps->pex, 1);
if (! pex_stderr)
goto fail;
return -1;
scb->error_fd = fileno (pex_stderr);
scb->state = (void *) ps;
scb->state = ps.release ();
argv.release ();
discard_cleanups (back_to);
return 0;
fail:
do_cleanups (back_to);
return -1;
}
static int