| 108,14 → 108,31 |
|---|
| return 0; |
| } |
| |
| /** Wait unconditionally for specified microseconds */ |
| /** Wait unconditionally for specified number of microseconds */ |
| void usleep(unsigned long usec) |
| { |
| atomic_t futex = FUTEX_INITIALIZER; |
| |
| futex_initialize(&futex,0); |
| futex_initialize(&futex, 0); |
| futex_down_timeout(&futex, usec, 0); |
| } |
| |
| /** Wait unconditionally for specified number of seconds */ |
| unsigned int sleep(unsigned int seconds) |
| { |
| atomic_t futex = FUTEX_INITIALIZER; |
| |
| futex_initialize(&futex, 0); |
| |
| /* Sleep in 1000 second steps to support |
| full argument range */ |
| while (seconds > 0) { |
| unsigned int period = (seconds > 1000) ? 1000 : seconds; |
| |
| futex_down_timeout(&futex, period * 1000000, 0); |
| seconds -= period; |
| } |
| } |
| |
| /** @} |
| */ |