sys_close(write_handle);
}
-void Pipe::set_block(bool b)
+void Pipe::set_mode(Mode m)
{
- mode = (mode&~M_NONBLOCK);
- if(b)
- mode = (mode|M_NONBLOCK);
+ m = m&M_RDWR;
+ if(!m)
+ throw invalid_argument("Pipe::set_mode");
+
+ check_access(m);
+
+ Mode close = mode&M_RDWR&~m;
+ if(close&M_READ)
+ sys_close(read_handle);
+ if(close&M_WRITE)
+ sys_close(write_handle);
+ mode = (mode&~M_RDWR)|m;
+}
+void Pipe::set_block(bool b)
+{
+ adjust_mode(mode, M_NONBLOCK, !b);
sys_set_blocking(read_handle, b);
sys_set_blocking(write_handle, b);
}
+void Pipe::set_inherit(bool i)
+{
+ adjust_mode(mode, M_INHERIT, i);
+ sys_set_inherit(read_handle, i);
+ sys_set_inherit(write_handle, i);
+}
+
unsigned Pipe::do_write(const char *buf, unsigned size)
{
if(size==0)