add osmo_fd_setup() convenience function to fill-in osmo_fd
This basically follows the concept of osmo_timer_setup() and allows
the caller to fill-in all configurable fields of osmo_fd in one
line of code, rather than open-coding it in 5 lines everywhere.
Change-Id: I6dbf19ea22fd65302bfc5424c10418d1b7939094
diff --git a/src/select.c b/src/select.c
index 0ba8bc6..4b98b62 100644
--- a/src/select.c
+++ b/src/select.c
@@ -47,6 +47,24 @@
static LLIST_HEAD(osmo_fds);
static int unregistered_count;
+/*! Set up an osmo-fd. Will not register it.
+ * \param[inout] ofd Osmo FD to be set-up
+ * \param[in] fd OS-level file descriptor number
+ * \param[in] when bit-mask of BSC_FD_{READ,WRITE,EXECEPT}
+ * \param[in] cb Call-back function to be called
+ * \param[in] data Private context pointer
+ * \param[in] priv_nr Private number
+ */
+void osmo_fd_setup(struct osmo_fd *ofd, int fd, unsigned int when,
+ int (*cb)(struct osmo_fd *fd, unsigned int what),
+ void *data, unsigned int priv_nr)
+{
+ ofd->fd = fd;
+ ofd->when = when;
+ ofd->cb = cb;
+ ofd->data = data;
+ ofd->priv_nr = priv_nr;
+}
/*! Check if a file descriptor is already registered
* \param[in] fd osmocom file descriptor to be checked