185 lines
3.1 KiB
C++
185 lines
3.1 KiB
C++
#include <qse/si/Thread.hpp>
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#include <qse/si/Condition.hpp>
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#include <qse/si/mtx.h>
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#include <qse/si/sio.h>
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#include <qse/si/os.h>
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#include <qse/cmn/mem.h>
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#include <qse/cmn/str.h>
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#include <qse/cmn/HeapMmgr.hpp>
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#include <locale.h>
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#if defined(_WIN32)
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# include <windows.h>
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#endif
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#include <signal.h>
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#include <string.h>
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static int g_stopreq = 0;
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static qse_ntime_t sleep_interval = { 1, 0 };
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QSE::HeapMmgr g_heap_mmgr (30000, QSE::Mmgr::getDFL());
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struct rq_data_t
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{
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rq_data_t(): stop(0) {}
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int stop;
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QSE::Mutex mtx;
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QSE::Condition cnd;
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};
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class Waiter
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{
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public:
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int operator() (QSE::Thread* thr)
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{
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int i = 0;
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rq_data_t* rqdata = (rq_data_t*)thr->getContext();
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while (1)
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{
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#if 0
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rqdata->mtx.lock ();
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#else
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while (!rqdata->mtx.trylock())
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{
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qse_printf (QSE_T("[%p] -> retrying to lock\n"), this, i);
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}
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#endif
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if (rqdata->stop)
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{
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rqdata->mtx.unlock ();
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break;
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}
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rqdata->cnd.wait(rqdata->mtx);
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rqdata->mtx.unlock ();
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qse_printf (QSE_T("[%p] -> loop %d\n"), this, i);
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i++;
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}
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qse_printf (QSE_T("[%p] -> exiting\n"), this);
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return i;
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}
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};
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static int test1 (void)
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{
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rq_data_t rqdata;
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QSE::ThreadF<Waiter> thr[3];
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for (int i = 0; i < 3; i++)
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{
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thr[i].setStackSize (64000);
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thr[i].setContext (&rqdata);
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if (thr[i].start(QSE::Thread::SIGNALS_BLOCKED) <= -1)
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{
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qse_printf (QSE_T("cannot start thread%d\n"), i);
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return -1;
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}
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}
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while (1)
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{
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if (g_stopreq)
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{
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qse_printf (QSE_T("broadcasting stop ---> 1\n"));
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rqdata.mtx.lock ();
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rqdata.stop = 1;
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rqdata.mtx.unlock ();
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rqdata.cnd.broadcast ();
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}
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int nterm = 0;
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for (int i = 0; i < 3; i++)
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{
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if (thr[i].getState() == QSE::Thread::TERMINATED) nterm++;
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}
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if (nterm == 3) break;
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qse_printf (QSE_T("signalling ....(nterm = %d)\n"), nterm);
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rqdata.cnd.signal ();
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qse_sleep (&sleep_interval);
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}
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for (int i = 0; i < 3; i++)
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{
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thr[i].join();
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}
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for (int i = 0; i < 3; i++)
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{
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qse_printf (QSE_T("thread%d ended with retcode %d\n"), i, thr[i].getReturnCode());
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}
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return 0;
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}
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static void handle_sigint (int sig, siginfo_t* siginfo, void* ctx)
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{
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g_stopreq = 1;
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}
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static void set_signal (int sig, void(*handler)(int, siginfo_t*, void*))
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{
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struct sigaction sa;
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memset (&sa, 0, sizeof(sa));
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/*sa.sa_handler = handler;*/
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sa.sa_flags = SA_SIGINFO;
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sa.sa_sigaction = handler;
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sigemptyset (&sa.sa_mask);
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sigaction (sig, &sa, NULL);
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}
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static void set_signal_to_default (int sig)
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{
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struct sigaction sa;
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memset (&sa, 0, sizeof(sa));
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sa.sa_handler = SIG_DFL;
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sa.sa_flags = 0;
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sigemptyset (&sa.sa_mask);
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sigaction (sig, &sa, NULL);
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}
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int main ()
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{
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#if defined(_WIN32)
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char locale[100];
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UINT codepage = GetConsoleOutputCP();
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if (codepage == CP_UTF8)
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{
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/*SetConsoleOutputCP (CP_UTF8);*/
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qse_setdflcmgrbyid (QSE_CMGR_UTF8);
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}
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else
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{
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qse_mbsxfmt (locale, QSE_COUNTOF(locale), ".%u", (unsigned int)codepage);
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setlocale (LC_ALL, locale);
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/*qse_setdflcmgrbyid (QSE_CMGR_SLMB);*/
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}
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#else
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setlocale (LC_ALL, "");
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/*qse_setdflcmgrbyid (QSE_CMGR_SLMB);*/
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#endif
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set_signal (SIGINT, handle_sigint);
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qse_open_stdsios ();
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test1();
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qse_close_stdsios ();
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set_signal_to_default (SIGINT);
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return 0;
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}
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