139 lines
2.5 KiB
C
139 lines
2.5 KiB
C
#include <qse/si/rwl.h>
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#include <qse/si/thr.h>
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#include <qse/si/sio.h>
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#include <qse/si/intr.h>
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#include <qse/cmn/mem.h>
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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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struct thr_xtn_t
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{
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int id;
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};
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typedef struct thr_xtn_t thr_xtn_t;
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static qse_rwl_t* rwl;
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static qse_mtx_t* mtx;
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static int stop_req = 0;
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#define OUTMSG(msg,id) do { \
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qse_ntime_t now; \
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qse_gettime(&now); \
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qse_mtx_lock (mtx, QSE_NULL); \
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qse_printf (QSE_T("%10ld.%7ld thread %d: %s\n"), (long int)now.sec, (long int)now.nsec, id, msg); \
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qse_mtx_unlock (mtx); \
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} while(0)
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static int thr_exec (qse_thr_t* thr, void* ctx)
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{
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thr_xtn_t* xtn = qse_thr_getxtn(thr);
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OUTMSG (QSE_T("starting"), xtn->id);
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while (!stop_req)
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{
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if (xtn->id % 2)
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/*if (xtn->id > 0)*/
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{
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OUTMSG (QSE_T("read waiting"), xtn->id);
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if (qse_rwl_lockr (rwl, QSE_NULL) >= 0)
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{
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OUTMSG (QSE_T("read start"), xtn->id);
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/*sleep (1);*/
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OUTMSG (QSE_T("read done"), xtn->id);
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qse_rwl_unlockr (rwl);
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}
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else
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{
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OUTMSG (QSE_T("read fail"), xtn->id);
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}
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}
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else
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{
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qse_ntime_t x;
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OUTMSG (QSE_T("write waiting"), xtn->id);
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qse_init_ntime (&x, 3, 0);
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/*if (qse_rwl_lockw (rwl, QSE_NULL) >= 0)*/
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if (qse_rwl_lockw (rwl, &x) >= 0)
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{
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OUTMSG (QSE_T("write start"), xtn->id);
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/*sleep (1);*/
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OUTMSG (QSE_T("write done"), xtn->id);
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qse_rwl_unlockw (rwl);
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/*sleep (2);*/
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}
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else
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{
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OUTMSG (QSE_T("write fail"), xtn->id);
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}
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}
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}
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OUTMSG (QSE_T("exiting"), xtn->id);
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return 0;
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}
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static void test_001 (void)
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{
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qse_mmgr_t* mmgr;
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qse_thr_t* t[6];
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qse_size_t i;
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thr_xtn_t* xtn;
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mmgr = QSE_MMGR_GETDFL();
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mtx = qse_mtx_open (mmgr, 0);
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rwl = qse_rwl_open (mmgr, 0, 0/*QSE_RWL_PREFER_WRITER*/);
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for (i = 0; i < QSE_COUNTOF(t); i++)
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{
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t[i] = qse_thr_open (mmgr, QSE_SIZEOF(thr_xtn_t));
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xtn = qse_thr_getxtn(t[i]);
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xtn->id = i;
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}
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for (i = 0; i < QSE_COUNTOF(t); i++) qse_thr_start (t[i], thr_exec, QSE_NULL, 0);
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for (i = 0; i < QSE_COUNTOF(t); i++) qse_thr_join (t[i]);
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for (i = 0; i < QSE_COUNTOF(t); i++) qse_thr_close (t[i]);
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qse_rwl_close (rwl);
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qse_mtx_close (mtx);
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}
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static void stop_run (void* arg)
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{
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stop_req = 1;
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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 codepage[100];
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UINT old_cp = GetConsoleOutputCP();
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SetConsoleOutputCP (CP_UTF8);
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#else
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setlocale (LC_ALL, "");
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#endif
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qse_open_stdsios ();
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qse_set_intr_handler (stop_run, QSE_NULL);
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test_001 ();
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qse_clear_intr_handler ();
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qse_close_stdsios ();
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#if defined(_WIN32)
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SetConsoleOutputCP (old_cp);
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#endif
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return 0;
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}
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