size_t __wrap_write(int channel, void* data, int size) {
    short* d = (short*) data;
    short c = 0;
    // for some reasons it does not work with chars
    for (int i=0; i<(size/2); ++i) {
        c |= d[i];
    }
    c |= (short) ((char*) data)[size-1];
    if (c) {
        __real_write(channel, data, size);
    } else {
        __real_write(channel, data, size);
    }
}
示例#2
0
ssize_t __wrap_write(int fd, const void *buf, size_t nbyte)
{
	if (fd >= __pse51_rtdm_fd_start) {
		int ret, oldtype;

		pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype);

		ret = set_errno(XENOMAI_SKINCALL3(__pse51_rtdm_muxid,
						  __rtdm_write,
						  fd - __pse51_rtdm_fd_start,
						  buf, nbyte));

		pthread_setcanceltype(oldtype, NULL);

		return ret;
	} else
		return __real_write(fd, buf, nbyte);
}