When writing from NRT to a real time pile (open, write, close).
Are message boundaries preserved based upon the length of the write call?
It's not working for me. The code below returns success, but calling
err = rt_pipe_read(comp,k,sizeof(kommand_t),TM_NONBLOCK);
or
err = rt_pipe_read(comp,k,sizeof(kommand_t),100);
from RT space on the same pipe never returns any data
err = rt_pipe_read(comp,k,sizeof(kommand_t),TM_NONBLOCK);
always returns err
0x0b, Resource temporarily unavailable
err = rt_pipe_read(comp,k,sizeof(kommand_t),100);
always returns err:
0x6e, Connection timed out
NZG
code specifics follow...............
int err;
kommand_t k = {
.type = KILLCYCLE,
};
int cfd = open(COMMANDPIPE, O_WRONLY|O_SYNC);
if(cfd<0){
printf("can't open %s (%s)\n",COMMANDPIPE, strerror(-cfd));
fflush(stdout);
return;
}
printf("sizeof kommand_t = %u\n",sizeof(kommand_t));
err=write(cfd,&k,sizeof(kommand_t));
if(err>=0)printf("wrote %u bytes to %s\n",err,COMMANDPIPE);
if(err<0)printf("err writing to %s (%s)\n",COMMANDPIPE,
strerror(errno));
if(close(cfd)<0)printf("couldn't close %s\n",COMMANDPIPE);
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