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  • uspace/drv/char/ski-con/ski-con.c

    r39026d7c rb7fd2a0  
    4848#define POLL_INTERVAL           10000
    4949
    50 static int ski_con_fibril(void *arg);
     50static errno_t ski_con_fibril(void *arg);
    5151static int32_t ski_con_getchar(void);
    5252static void ski_con_connection(ipc_callid_t, ipc_call_t *, void *);
    5353
    54 static int ski_con_read(chardev_srv_t *, void *, size_t, size_t *);
    55 static int ski_con_write(chardev_srv_t *, const void *, size_t, size_t *);
     54static errno_t ski_con_read(chardev_srv_t *, void *, size_t, size_t *);
     55static errno_t ski_con_write(chardev_srv_t *, const void *, size_t, size_t *);
    5656
    5757static chardev_ops_t ski_con_chardev_ops = {
    … …  
    6363
    6464/** Add ski console device. */
    65 int ski_con_add(ski_con_t *con)
     65errno_t ski_con_add(ski_con_t *con)
    6666{
    6767        fid_t fid;
    6868        ddf_fun_t *fun = NULL;
    6969        bool bound = false;
    70         int rc;
     70        errno_t rc;
    7171
    7272        circ_buf_init(&con->cbuf, con->buf, ski_con_buf_size, 1);
    … …  
    116116
    117117/** Remove ski console device */
    118 int ski_con_remove(ski_con_t *con)
     118errno_t ski_con_remove(ski_con_t *con)
    119119{
    120120        return ENOTSUP;
    … …  
    122122
    123123/** Ski console device gone */
    124 int ski_con_gone(ski_con_t *con)
     124errno_t ski_con_gone(ski_con_t *con)
    125125{
    126126        return ENOTSUP;
    … …  
    128128
    129129/** Poll Ski for keypresses. */
    130 static int ski_con_fibril(void *arg)
     130static errno_t ski_con_fibril(void *arg)
    131131{
    132132        int32_t c;
    133133        ski_con_t *con = (ski_con_t *) arg;
    134         int rc;
     134        errno_t rc;
    135135
    136136        while (1) {
    … …  
    212212
    213213/** Read from Ski console device */
    214 static int ski_con_read(chardev_srv_t *srv, void *buf, size_t size,
     214static errno_t ski_con_read(chardev_srv_t *srv, void *buf, size_t size,
    215215    size_t *nread)
    216216{
    … …  
    218218        size_t p;
    219219        uint8_t *bp = (uint8_t *) buf;
    220         int rc;
     220        errno_t rc;
    221221
    222222        fibril_mutex_lock(&con->buf_lock);
    … …  
    240240
    241241/** Write to Ski console device */
    242 static int ski_con_write(chardev_srv_t *srv, const void *data, size_t size,
     242static errno_t ski_con_write(chardev_srv_t *srv, const void *data, size_t size,
    243243    size_t *nwr)
    244244{
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