#else
# if defined(_SC_NPROCESSORS_ONLN)
- return std::min(sysconf(_SC_NPROCESSORS_ONLN), MAX_THREADS);
+ return std::min((int)sysconf(_SC_NPROCESSORS_ONLN), MAX_THREADS);
# elif defined(__hpux)
struct pst_dynamic psd;
if (pstat_getdynamic(&psd, sizeof(psd), (size_t)1, 0) == -1)
return 1;
- return std::min(psd.psd_proc_cnt, MAX_THREADS);
+ return std::min((int)psd.psd_proc_cnt, MAX_THREADS);
# else
return 1;
# endif
}
-/// Check for console input. Original code from Beowulf, Olithink and Greko
+/// timed_wait() waits for msec milliseconds. It is mainly an helper to wrap
+/// conversion from milliseconds to struct timespec, as used by pthreads.
-#ifndef _WIN32
-
-int input_available() {
-
- fd_set readfds;
- struct timeval timeout;
-
- FD_ZERO(&readfds);
- FD_SET(fileno(stdin), &readfds);
- timeout.tv_sec = 0; // Set to timeout immediately
- timeout.tv_usec = 0;
- select(16, &readfds, 0, 0, &timeout);
+#if defined(_MSC_VER)
- return (FD_ISSET(fileno(stdin), &readfds));
+void timed_wait(WaitCondition* sleepCond, Lock* sleepLock, int msec) {
+ cond_timedwait(sleepCond, sleepLock, msec);
}
#else
-int input_available() {
-
- static HANDLE inh = NULL;
- static bool usePipe = false;
- INPUT_RECORD rec[256];
- DWORD nchars, recCnt;
-
- if (!inh)
- {
- inh = GetStdHandle(STD_INPUT_HANDLE);
- if (GetConsoleMode(inh, &nchars))
- {
- SetConsoleMode(inh, nchars & ~(ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT));
- FlushConsoleInputBuffer(inh);
- } else
- usePipe = true;
- }
-
- // When using Standard C input functions, also check if there
- // is anything in the buffer. After a call to such functions,
- // the input waiting in the pipe will be copied to the buffer,
- // and the call to PeekNamedPipe can indicate no input available.
- // Setting stdin to unbuffered was not enough. [from Greko]
- if (stdin->_cnt > 0)
- return 1;
+void timed_wait(WaitCondition* sleepCond, Lock* sleepLock, int msec) {
- // When running under a GUI the input commands are sent to us
- // directly over the internal pipe. If PeekNamedPipe() returns 0
- // then something went wrong. Probably the parent program exited.
- // Returning 1 will make the next call to the input function
- // return EOF, where this should be catched then.
- if (usePipe)
- return PeekNamedPipe(inh, NULL, 0, NULL, &nchars, NULL) ? nchars : 1;
+ struct timeval t;
+ struct timespec abstime;
- // Count the number of unread input records, including keyboard,
- // mouse, and window-resizing input records.
- GetNumberOfConsoleInputEvents(inh, &nchars);
+ gettimeofday(&t, NULL);
- // Read data from console without removing it from the buffer
- if (nchars <= 0 || !PeekConsoleInput(inh, rec, std::min(int(nchars), 256), &recCnt))
- return 0;
+ abstime.tv_sec = t.tv_sec + (msec / 1000);
+ abstime.tv_nsec = (t.tv_usec + (msec % 1000) * 1000) * 1000;
- // Search for at least one keyboard event
- for (DWORD i = 0; i < recCnt; i++)
- if (rec[i].EventType == KEY_EVENT)
- return 1;
+ if (abstime.tv_nsec > 1000000000LL)
+ {
+ abstime.tv_sec += 1;
+ abstime.tv_nsec -= 1000000000LL;
+ }
- return 0;
+ cond_timedwait(sleepCond, sleepLock, &abstime);
}
#endif