Fix tests: use of uninitialized variables

[userspace-rcu.git] / tests / test_rwlock_timing.c

diff --git a/tests/test_rwlock_timing.c b/tests/test_rwlock_timing.c
index 96269c08b46a580ce65a7acb0cd523d1b75873e0..69a8850fafa48b1d7ed80c525f4ae11b86bf0cfc 100644 (file)
--- a/tests/test_rwlock_timing.c
+++ b/tests/test_rwlock_timing.c
@@ -30,12 +30,15 @@
 #include <unistd.h>
 #include <stdio.h>
 #include <assert.h>
-#include <sys/syscall.h>
 #include <pthread.h>
 #include <errno.h>
 
 #include <urcu/arch.h>
 
+#ifdef __linux__
+#include <syscall.h>
+#endif
+
 #if defined(_syscall0)
 _syscall0(pid_t, gettid)
 #elif defined(__NR_gettid)
@@ -84,7 +87,8 @@ void *thr_reader(void *arg)
        cycles_t time1, time2;
 
        printf("thread_begin %s, thread id : %lx, tid %lu\n",
-                       "reader", pthread_self(), (unsigned long)gettid());
+                       "reader", (unsigned long) pthread_self(),
+                       (unsigned long) gettid());
        sleep(2);
 
        time1 = caa_get_cycles();
@@ -101,7 +105,8 @@ void *thr_reader(void *arg)
 
        sleep(2);
        printf("thread_end %s, thread id : %lx, tid %lu\n",
-                       "reader", pthread_self(), (unsigned long)gettid());
+                       "reader", (unsigned long) pthread_self(),
+                       (unsigned long) gettid());
        return ((void*)1);
 
 }
@@ -112,7 +117,8 @@ void *thr_writer(void *arg)
        cycles_t time1, time2;
 
        printf("thread_begin %s, thread id : %lx, tid %lu\n",
-                       "writer", pthread_self(), (unsigned long)gettid());
+                       "writer", (unsigned long) pthread_self(),
+                       (unsigned long) gettid());
        sleep(2);
 
        for (i = 0; i < OUTER_WRITE_LOOP; i++) {
@@ -128,7 +134,8 @@ void *thr_writer(void *arg)
        }
 
        printf("thread_end %s, thread id : %lx, tid %lu\n",
-                       "writer", pthread_self(), (unsigned long)gettid());
+                       "writer", (unsigned long) pthread_self(),
+                       (unsigned long) gettid());
        return ((void*)2);
 }
 
@@ -148,13 +155,14 @@ int main(int argc, char **argv)
        num_read = atoi(argv[1]);
        num_write = atoi(argv[2]);
 
-       reader_time = malloc(sizeof(*reader_time) * num_read);
-       writer_time = malloc(sizeof(*writer_time) * num_write);
-       tid_reader = malloc(sizeof(*tid_reader) * num_read);
-       tid_writer = malloc(sizeof(*tid_writer) * num_write);
+       reader_time = calloc(num_read, sizeof(*reader_time));
+       writer_time = calloc(num_write, sizeof(*writer_time));
+       tid_reader = calloc(num_read, sizeof(*tid_reader));
+       tid_writer = calloc(num_write, sizeof(*tid_writer));
 
        printf("thread %-6s, thread id : %lx, tid %lu\n",
-                       "main", pthread_self(), (unsigned long)gettid());
+                       "main", (unsigned long) pthread_self(),
+                       (unsigned long) gettid());
 
        for (i = 0; i < NR_READ; i++) {
                err = pthread_create(&tid_reader[i], NULL, thr_reader,