xref: /aosp_15_r20/hardware/ril/libril/ril_event.h (revision 062a843b36e31144e02d312b6b2de34642e6750e)

/* //device/libs/telephony/ril_event.h
**
** Copyright 2008, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
**     http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/

// Max number of fd's we watch at any one time.  Increase if necessary.
#define MAX_FD_EVENTS 8

typedef void (*ril_event_cb)(int fd, short events, void *userdata);

struct ril_event {
    struct ril_event *next;
    struct ril_event *prev;

    int fd;
    int index;
    bool persist;
    struct timeval timeout;
    ril_event_cb func;
    void *param;
};

// Initialize internal data structs
void ril_event_init();

// Initialize an event
void ril_event_set(struct ril_event * ev, int fd, bool persist, ril_event_cb func, void * param);

// Add event to watch list
void ril_event_add(struct ril_event * ev);

// Add timer event
void ril_timer_add(struct ril_event * ev, struct timeval * tv);

// Remove event from watch list
void ril_event_del(struct ril_event * ev);

// Event loop
void ril_event_loop();