1 files changed, 97 insertions, 0 deletions
diff --git a/pthread.c b/pthread.c
new file mode 100644
index 0000000..33ab9ec
--- /dev/null
+++ b/pthread.c
@@ -0,0 +1,97 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <pthread.h>
+#include <unistd.h>
+
+void *emptyfunc(void *dummy)
+{
+	return 0;
+}
+
+size_t b_pthread_createjoin_serial1(void *dummy)
+{
+	size_t i;
+	pthread_t td;
+	for (i=0; i<2500; i++) {
+		pthread_create(&td, 0, emptyfunc, 0);
+		pthread_join(td, &dummy);
+	}
+	return 0;
+}
+
+size_t b_pthread_createjoin_serial2(void *dummy)
+{
+	size_t i, j;
+	pthread_t td[50];
+	for (j=0; j<50; j++) {
+		for (i=0; i<sizeof td/sizeof *td; i++)
+			pthread_create(td+i, 0, emptyfunc, 0);
+		for (i=0; i<sizeof td/sizeof *td; i++)
+			pthread_join(td[i], &dummy);
+	}
+	return 0;
+}
+
+size_t b_pthread_create_serial1(void *dummy)
+{
+	size_t i;
+	pthread_attr_t attr;
+	pthread_t td;
+	pthread_attr_init(&attr);
+	pthread_attr_setstacksize(&attr, 16384);
+	for (i=0; i<2500; i++)
+		pthread_create(&td, &attr, emptyfunc, 0);
+	return 0;
+}
+
+void *lockunlock(void *mut)
+{
+	size_t i;
+	for (i=0; i<1000000; i++) {
+		pthread_mutex_lock(mut);
+		pthread_mutex_unlock(mut);
+	}
+	return 0;
+}
+
+size_t b_pthread_uselesslock(void *dummy)
+{
+	pthread_t td;
+	pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
+	pthread_create(&td, 0, lockunlock, &mut);
+	pthread_join(td, &dummy);
+	return 0;
+}
+
+size_t b_pthread_createjoin_minimal1(void *dummy)
+{
+	size_t i;
+	pthread_t td;
+	pthread_attr_t a;
+	pthread_attr_init(&a);
+	pthread_attr_setstacksize(&a, sysconf(_SC_PAGESIZE));
+	pthread_attr_setguardsize(&a, 0);
+	for (i=0; i<2500; i++) {
+		pthread_create(&td, &a, emptyfunc, 0);
+		pthread_join(td, &dummy);
+	}
+	return 0;
+}
+
+size_t b_pthread_createjoin_minimal2(void *dummy)
+{
+	size_t i, j;
+	pthread_t td[50];
+	pthread_attr_t a;
+	pthread_attr_init(&a);
+	pthread_attr_setstacksize(&a, sysconf(_SC_PAGESIZE));
+	pthread_attr_setguardsize(&a, 0);
+	for (j=0; j<50; j++) {
+		for (i=0; i<sizeof td/sizeof *td; i++)
+			pthread_create(td+i, &a, emptyfunc, 0);
+		for (i=0; i<sizeof td/sizeof *td; i++)
+			pthread_join(td[i], &dummy);
+	}
+	return 0;
+}