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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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