Fix tests: use of uninitialized variables

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

diff --git a/tests/test_perthreadlock.c b/tests/test_perthreadlock.c
index 6ff04120e4e73ce07931b1ace6215fba35044a61..4996e7f0c0d395ce70cc26774c9906b4daab8b5f 100644 (file)
--- a/tests/test_perthreadlock.c
+++ b/tests/test_perthreadlock.c
@@ -31,11 +31,11 @@
 #include <unistd.h>
 #include <stdio.h>
 #include <assert.h>
-#include <sched.h>
 #include <errno.h>
 
 #include <urcu/arch.h>
 #include <urcu/tls-compat.h>
+#include "cpuset.h"
 
 #ifdef __linux__
 #include <syscall.h>
@@ -110,12 +110,6 @@ static int use_affinity = 0;
 
 pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER;
 
-#ifndef HAVE_CPU_SET_T
-typedef unsigned long cpu_set_t;
-# define CPU_ZERO(cpuset) do { *(cpuset) = 0; } while(0)
-# define CPU_SET(cpu, cpuset) do { *(cpuset) |= (1UL << (cpu)); } while(0)
-#endif
-
 static void set_affinity(void)
 {
        cpu_set_t mask;
@@ -199,7 +193,8 @@ void *thr_reader(void *data)
        unsigned long tidx = (unsigned long)data;
 
        printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n",
-                       "reader", pthread_self(), (unsigned long)gettid());
+                       "reader", (unsigned long) pthread_self(),
+                       (unsigned long) gettid());
 
        set_affinity();
 
@@ -220,7 +215,8 @@ void *thr_reader(void *data)
 
        tot_nr_reads[tidx] = URCU_TLS(nr_reads);
        printf_verbose("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);
 
 }
@@ -231,7 +227,8 @@ void *thr_writer(void *data)
        long tidx;
 
        printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n",
-                       "writer", pthread_self(), (unsigned long)gettid());
+                       "writer", (unsigned long) pthread_self(),
+                       (unsigned long) gettid());
 
        set_affinity();
 
@@ -259,7 +256,8 @@ void *thr_writer(void *data)
        }
 
        printf_verbose("thread_end %s, thread id : %lx, tid %lu\n",
-                       "writer", pthread_self(), (unsigned long)gettid());
+                       "writer", (unsigned long) pthread_self(),
+                       (unsigned long) gettid());
        tot_nr_writes[wtidx] = URCU_TLS(nr_writes);
        return ((void*)2);
 }
@@ -283,7 +281,6 @@ int main(int argc, char **argv)
        int err;
        pthread_t *tid_reader, *tid_writer;
        void *tret;
-       unsigned long long *count_reader, *count_writer;
        unsigned long long tot_reads = 0, tot_writes = 0;
        int i, a;
 
@@ -365,15 +362,18 @@ int main(int argc, char **argv)
        printf_verbose("Writer delay : %lu loops.\n", wdelay);
        printf_verbose("Reader duration : %lu loops.\n", rduration);
        printf_verbose("thread %-6s, thread id : %lx, tid %lu\n",
-                       "main", pthread_self(), (unsigned long)gettid());
+                       "main", (unsigned long) pthread_self(), (unsigned long) gettid());
 
-       tid_reader = malloc(sizeof(*tid_reader) * nr_readers);
-       tid_writer = malloc(sizeof(*tid_writer) * nr_writers);
-       count_reader = malloc(sizeof(*count_reader) * nr_readers);
-       count_writer = malloc(sizeof(*count_writer) * nr_writers);
-       tot_nr_reads = malloc(sizeof(*tot_nr_reads) * nr_readers);
-       tot_nr_writes = malloc(sizeof(*tot_nr_writes) * nr_writers);
-       per_thread_lock = malloc(sizeof(*per_thread_lock) * nr_readers);
+       tid_reader = calloc(nr_readers, sizeof(*tid_reader));
+       tid_writer = calloc(nr_writers, sizeof(*tid_writer));
+       tot_nr_reads = calloc(nr_readers, sizeof(*tot_nr_reads));
+       tot_nr_writes = calloc(nr_writers, sizeof(*tot_nr_writes));
+       per_thread_lock = calloc(nr_readers, sizeof(*per_thread_lock));
+       for (i = 0; i < nr_readers; i++) {
+               err = pthread_mutex_init(&per_thread_lock[i].lock, NULL);
+               if (err != 0)
+                       exit(1);
+       }
 
        next_aff = 0;
 
@@ -422,8 +422,6 @@ int main(int argc, char **argv)
 
        free(tid_reader);
        free(tid_writer);
-       free(count_reader);
-       free(count_writer);
        free(tot_nr_reads);
        free(tot_nr_writes);
        free(per_thread_lock);