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author | Tom Tromey <tom@tromey.com> | 2018-06-07 16:49:57 -0600 |
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committer | Tom Tromey <tom@tromey.com> | 2018-06-18 12:46:38 -0600 |
commit | 3f0dbd670b59aade6224aadcbc3a1943a4645a68 (patch) | |
tree | e761be743573a3b03c886baec3951e4bb352f895 /gdb/ser-mingw.c | |
parent | 69d340c68449f238fe665abf4a3a7989cd2d8376 (diff) | |
download | gdb-3f0dbd670b59aade6224aadcbc3a1943a4645a68.zip gdb-3f0dbd670b59aade6224aadcbc3a1943a4645a68.tar.gz gdb-3f0dbd670b59aade6224aadcbc3a1943a4645a68.tar.bz2 |
Remove cleanups from ser-mingw.c
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.
Diffstat (limited to 'gdb/ser-mingw.c')
-rw-r--r-- | gdb/ser-mingw.c | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/gdb/ser-mingw.c b/gdb/ser-mingw.c index d5e5aab..605a071 100644 --- a/gdb/ser-mingw.c +++ b/gdb/ser-mingw.c @@ -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 |