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#include "common.h"
/**
** User function P: exit, sleep, write, gettime
**
** Reports itself, then loops reporting itself
**
** Invoked as: userP x [ n [ t ] ]
** where x is the ID character
** n is the iteration count (defaults to 3)
** t is the sleep time (defaults to 2 seconds)
*/
USERMAIN( main ) {
int count = 3; // default iteration count
char ch = 'p'; // default character to print
int nap = 2; // nap time
char buf[128];
// process the command-line arguments
switch( argc ) {
case 4: nap = str2int( argv[3], 10 );
// FALL THROUGH
case 3: count = str2int( argv[2], 10 );
// FALL THROUGH
case 2: ch = argv[1][0];
break;
default:
sprint( buf, "userP: argc %d, args: ", argc );
cwrites( buf );
for( int i = 0; i <= argc; ++i ) {
sprint( buf, " %s", argv[argc] ? argv[argc] : "(null)" );
cwrites( buf );
}
cwrites( "\n" );
}
// announce our presence
uint32_t now = gettime();
sprint( buf, " P@%u", now );
swrites( buf );
for( int i = 0; i < count; ++i ) {
sleep( SEC_TO_MS(nap) );
write( CHAN_SIO, &ch, 1 );
}
exit( 0 );
return( 42 ); // shut the compiler up!
}
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