From 8ae0a40d029efe557a6f6b7907b98b12dccaab6b Mon Sep 17 00:00:00 2001 From: akr Date: Wed, 17 Dec 2008 10:38:19 +0000 Subject: * ext/pty/extconf.rb: check util.h for OpenBSD. * ext/pty/pty.c: include util.h if available. fix variable name. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20846 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/pty/extconf.rb | 1 + ext/pty/pty.c | 20 +++++++++++++++++++- 2 files changed, 20 insertions(+), 1 deletion(-) (limited to 'ext') diff --git a/ext/pty/extconf.rb b/ext/pty/extconf.rb index b26600ab34..3d6d0f1e46 100644 --- a/ext/pty/extconf.rb +++ b/ext/pty/extconf.rb @@ -4,6 +4,7 @@ if /mswin|mingw|bccwin/ !~ RUBY_PLATFORM have_header("sys/stropts.h") have_func("setresuid") have_header("libutil.h") + have_header("util.h") # OpenBSD openpty have_header("pty.h") have_library("util", "openpty") if have_func("posix_openpt") or diff --git a/ext/pty/pty.c b/ext/pty/pty.c index 2798e88cc0..0044c5bbb4 100644 --- a/ext/pty/pty.c +++ b/ext/pty/pty.c @@ -16,6 +16,9 @@ #ifdef HAVE_LIBUTIL_H #include #endif +#ifdef HAVE_UTIL_H +#include +#endif #ifdef HAVE_PTY_H #include #endif @@ -330,7 +333,7 @@ get_device_once(int *master, int *slave, char SlaveName[DEVICELEN], int nomesg, if (!fail) return -1; rb_raise(rb_eRuntimeError, "openpty() failed"); } - if (no_mesg(slavedevice, nomesg) == -1) { + if (no_mesg(SlaveName, nomesg) == -1) { if (!fail) return -1; rb_raise(rb_eRuntimeError, "can't chmod slave pty"); } @@ -448,6 +451,21 @@ pty_close_pty(VALUE assoc) * master_io and slave_file is closed when return if they are not closed. * * The filename of the slave is slave_file.path. + * + * # make cut's stdout line buffered. + * # if IO.pipe is used instead of PTY.open, + * # this deadlocks because cut's stdout will be fully buffered. + * m, s = PTY.open + * system("stty raw", :in=>s) # disable newline conversion. + * r, w = IO.pipe + * pid = spawn("cut -c 3-8", :in=>r, :out=>s) + * r.close + * s.close + * w.puts "foo bar baz" #=> "o bar \n" + * p m.gets + * w.puts "hoge fuga moge" #=> "ge fug\n" + * p m.gets + * */ static VALUE pty_open(VALUE klass) -- cgit v1.2.3