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* ext/pty/pty.c (pty_open): new method PTY.open.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20761 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2008-12-15 13:48:51 +00:00
parent 005e756537
commit 4da3316ca3
2 changed files with 66 additions and 0 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Mon Dec 15 22:48:11 2008 Tanaka Akira <akr@fsij.org>
* ext/pty/pty.c (pty_open): new method PTY.open.
Mon Dec 15 21:24:01 2008 Tanaka Akira <akr@fsij.org>
* ext/pty/pty.c (get_device_once): use DEVICELEN instead of

62
ext/pty/pty.c
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@ -368,6 +368,67 @@ getDevice(int *master, int *slave, char SlaveName[DEVICELEN])
}
}
static VALUE
pty_close_pty(VALUE assoc)
{
VALUE io;
int i;
for (i = 0; i < 2; i++) {
io = rb_ary_entry(assoc, i);
if (TYPE(io) == T_FILE && 0 <= RFILE(io)->fptr->fd)
rb_io_close(io);
}
return Qnil;
}
/*
* call-seq:
* master_io, slave_file = PTY.open
* PTY.open {|master_io, slave_file| ... }
*
* Allocates a pty (pseudo-terminal).
*
* It returns an array which contains an IO object and a File object.
* The former is the master of the pty.
* The latter is the slave of the pty.
*
* If a block is given, it yields the array instead of return.
* The value of the block is returned.
* master_io and slave_file is closed when return if they are not closed.
*
* The filename of the slave is slave_file.path.
*/
static VALUE
pty_open(VALUE klass)
{
int master_fd, slave_fd;
char slavename[DEVICELEN];
VALUE master_io, slave_file;
rb_io_t *master_fptr, *slave_fptr;
VALUE assoc;
getDevice(&master_fd, &slave_fd, slavename);
master_io = rb_obj_alloc(rb_cIO);
MakeOpenFile(master_io, master_fptr);
master_fptr->mode = rb_io_mode_flags("r+");
master_fptr->fd = master_fd;
master_fptr->pathv = rb_obj_freeze(rb_sprintf(" pty %s", slavename));
slave_file = rb_obj_alloc(rb_cFile);
MakeOpenFile(slave_file, slave_fptr);
slave_fptr->mode = rb_io_mode_flags("r+");
slave_fptr->fd = slave_fd;
slave_fptr->pathv = rb_obj_freeze(rb_str_new_cstr(slavename));
assoc = rb_assoc_new(master_io, slave_file);
if (rb_block_given_p()) {
return rb_ensure(rb_yield, assoc, pty_close_pty, assoc);
}
return assoc;
}
static VALUE
pty_detach_process(struct pty_info *info)
{
@ -464,6 +525,7 @@ Init_pty()
rb_define_module_function(cPTY,"getpty",pty_getpty,-1);
rb_define_module_function(cPTY,"spawn",pty_getpty,-1);
rb_define_singleton_method(cPTY,"check",pty_check,-1);
rb_define_singleton_method(cPTY,"open",pty_open,0);
eChildExited = rb_define_class_under(cPTY,"ChildExited",rb_eRuntimeError);
rb_define_method(eChildExited,"status",echild_status,0);