1 files changed, 72 insertions, 0 deletions
diff --git a/zarb-ml/mageia-dev/attachments/20120922/99eb71bb/attachment-0001.c b/zarb-ml/mageia-dev/attachments/20120922/99eb71bb/attachment-0001.c
new file mode 100644
index 000000000..3f619aa20
--- /dev/null
+++ b/zarb-ml/mageia-dev/attachments/20120922/99eb71bb/attachment-0001.c
@@ -0,0 +1,72 @@
+       #include <pthread.h>
+       #include <stdio.h>
+       #include <errno.h>
+       #include <stdlib.h>
+       #include <unistd.h>
+
+       #define handle_error_en(en, msg) \
+               do { errno = en; perror(msg); exit(EXIT_FAILURE); } while (0)
+
+       static void *
+       thread_func(void *ignored_argument)
+       {
+           int s;
+
+           /* Disable cancellation for a while, so that we don't
+              immediately react to a cancellation request */
+
+           s = pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
+           if (s != 0)
+               handle_error_en(s, "pthread_setcancelstate");
+
+           printf("thread_func(): started; cancellation disabled\n");
+           sleep(5);
+           printf("thread_func(): about to enable cancellation\n");
+
+           s = pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+           if (s != 0)
+               handle_error_en(s, "pthread_setcancelstate");
+
+           /* sleep() is a cancellation point */
+
+           sleep(1000);        /* Should get canceled while we sleep */
+
+           /* Should never get here */
+
+           printf("thread_func(): not canceled!\n");
+           return NULL;
+       }
+
+       int
+       main(void)
+       {
+           pthread_t thr;
+           void *res;
+           int s;
+
+           /* Start a thread and then send it a cancellation request */
+
+           s = pthread_create(&thr, NULL, &thread_func, NULL);
+           if (s != 0)
+               handle_error_en(s, "pthread_create");
+
+           sleep(2);           /* Give thread a chance to get started */
+
+           printf("main(): sending cancellation request\n");
+           s = pthread_cancel(thr);
+           if (s != 0)
+               handle_error_en(s, "pthread_cancel");
+
+           /* Join with thread to see what its exit status was */
+
+           s = pthread_join(thr, &res);
+           if (s != 0)
+               handle_error_en(s, "pthread_join");
+
+           if (res == PTHREAD_CANCELED)
+               printf("main(): thread was canceled\n");
+           else
+               printf("main(): thread wasn't canceled (shouldn't happen!)\n");
+           exit(EXIT_SUCCESS);
+       }
+