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authorEric Andersen <andersen@codepoet.org>2002-02-13 09:32:52 +0000
committerEric Andersen <andersen@codepoet.org>2002-02-13 09:32:52 +0000
commit80e6061ac5deca193759b979d34906bfc9b857ef (patch)
tree51f5c410f9313c6892b50f27321b64db8cfbd737 /test/pthread/ex1.c
parent98cba6e7dd947aec0d4cf6e61f2f31318ac919e1 (diff)
Several test suite updates. The testatexit, teston_exit, and
pthread tests were contributed by Stefan Soucek
Diffstat (limited to 'test/pthread/ex1.c')
-rw-r--r--test/pthread/ex1.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/test/pthread/ex1.c b/test/pthread/ex1.c
new file mode 100644
index 000000000..09e6e3fbd
--- /dev/null
+++ b/test/pthread/ex1.c
@@ -0,0 +1,39 @@
+/* Creates two threads, one printing 10000 "a"s, the other printing
+ 10000 "b"s.
+ Illustrates: thread creation, thread joining. */
+
+#include <stddef.h>
+#include <stdio.h>
+#include <unistd.h>
+#include "pthread.h"
+
+void * process(void * arg)
+{
+ int i;
+ fprintf(stderr, "Starting process %s\n", (char *) arg);
+ for (i = 0; i < 10000; i++) {
+ write(1, (char *) arg, 1);
+ }
+ return NULL;
+}
+
+int main(void)
+{
+ int retcode;
+ pthread_t th_a, th_b;
+ void * retval;
+
+ retcode = pthread_create(&th_a, NULL, process, (void *) "a");
+ if (retcode != 0) fprintf(stderr, "create a failed %d\n", retcode);
+ else fprintf(stderr, "create a succeeded %d\n", retcode);
+ retcode = pthread_create(&th_b, NULL, process, (void *) "b");
+ if (retcode != 0) fprintf(stderr, "create b failed %d\n", retcode);
+ else fprintf(stderr, "create b succeeded %d\n", retcode);
+ retcode = pthread_join(th_a, &retval);
+ if (retcode != 0) fprintf(stderr, "join a failed %d\n", retcode);
+ else fprintf(stderr, "join a succeeded %d\n", retcode);
+ retcode = pthread_join(th_b, &retval);
+ if (retcode != 0) fprintf(stderr, "join b failed %d\n", retcode);
+ else fprintf(stderr, "join b succeeded %d\n", retcode);
+ return 0;
+}