From 3f0dbd670b59aade6224aadcbc3a1943a4645a68 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Thu, 7 Jun 2018 16:49:57 -0600 Subject: [PATCH] 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 * 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. --- gdb/ChangeLog | 7 +++++++ gdb/ser-mingw.c | 33 +++++++++++++-------------------- 2 files changed, 20 insertions(+), 20 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f80eda0c398..62d60c218a7 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +2018-06-18 Tom Tromey + + * 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 * rust-lang.h (rust_yyerror): Don't declare. diff --git a/gdb/ser-mingw.c b/gdb/ser-mingw.c index d5e5aabb18c..605a071770a 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_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 -- 2.30.2