Priprava na semafor, zatim obsahuje ZAVAZNY DEADLOCK

[mirrors/Programs.git] / c / pthread_extra / test_pause.c

diff --git a/c/pthread_extra/test_pause.c b/c/pthread_extra/test_pause.c
index ed60fcc6d187ae32501f00378033f512921ba8c8..439c6d8d22de9da53d1807b2b42222e835cb03b3 100644 (file)
--- a/c/pthread_extra/test_pause.c
+++ b/c/pthread_extra/test_pause.c
@@ -6,23 +6,31 @@
 #include <assert.h>
 #include <unistd.h>
 
+pthread_t main_thread;
+
 void *thread_test(void *arg) {
        //Whole process dies if you kill thread immediately before it is pausable
        //pthread_pause_enable();
        while(1) {
-               usleep(1000*300);
+               pthread_nsleep(0, 1000*1000*300);
+               //pthread_pause_all();
+               pthread_pause(main_thread);
                printf("Running%s!\n", (char *)arg);
+               //pthread_unpause_all();
+               pthread_unpause(main_thread);
        }
 }
 
 int main() {
 
+       main_thread = pthread_self();
+
        pthread_t a, b;
        pthread_pause_enable(); //Will get inherited by all threads from now on
        //That way you can be sure it is pausable immediately
        pthread_extra_create(&a, NULL, thread_test, " A");
        pthread_extra_create(&b, NULL, thread_test, " B");
-       //sleep(1);
+       //pthread_sleep(1);
 
        //printf("OK\n");
        /*
@@ -43,24 +51,24 @@ int main() {
                pthread_pause(b);
                pthread_unpause(a);
                printf("SWITCH A:\n");
-               sleep(2);
+               pthread_sleep(2);
 
                printf("SWITCH B:\n");
                pthread_pause(a);
                pthread_unpause(b);
-               sleep(2);
+               pthread_sleep(2);
 
                printf("SWITCH A+B:\n");
                pthread_unpause(a);
                pthread_unpause(b);
-               sleep(1);
+               pthread_sleep(1);
 
                printf("SWITCH MAIN ONLY:\n");
                pthread_pause_all();
-               sleep(1);
+               pthread_sleep(1);
                printf("SWITCH MAIN A+B:\n");
                pthread_unpause_all();
-               sleep(1);
+               pthread_sleep(1);
        }
 
        pthread_join(a, NULL);