*/
struct async {
/*
- * proc writes to fd and closes it;
+ * proc reads from in; closes it before return
+ * proc writes to out; closes it before return
* returns 0 on success, non-zero on failure
*/
- int (*proc)(int fd, void *data);
+ int (*proc)(int in, int out, void *data);
void *data;
+ int in; /* caller writes here and closes it */
int out; /* caller reads from here and closes it */
#ifndef WIN32
pid_t pid;
#else
HANDLE tid;
- int fd_for_proc;
+ int proc_in;
+ int proc_out;
#endif
};