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-rw-r--r--src/thread/pthread_atfork.c2
-rw-r--r--src/thread/sem_open.c2
-rw-r--r--src/thread/synccall.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/src/thread/pthread_atfork.c b/src/thread/pthread_atfork.c
index a40d7f63..c6f77b3f 100644
--- a/src/thread/pthread_atfork.c
+++ b/src/thread/pthread_atfork.c
@@ -8,7 +8,7 @@ static struct atfork_funcs {
struct atfork_funcs *prev, *next;
} *funcs;
-static volatile int lock[2];
+static volatile int lock[1];
void __fork_handler(int who)
{
diff --git a/src/thread/sem_open.c b/src/thread/sem_open.c
index fda0acd3..dc0279e8 100644
--- a/src/thread/sem_open.c
+++ b/src/thread/sem_open.c
@@ -20,7 +20,7 @@ static struct {
sem_t *sem;
int refcnt;
} *semtab;
-static volatile int lock[2];
+static volatile int lock[1];
#define FLAGS (O_RDWR|O_NOFOLLOW|O_CLOEXEC|O_NONBLOCK)
diff --git a/src/thread/synccall.c b/src/thread/synccall.c
index f6813576..ba2f258e 100644
--- a/src/thread/synccall.c
+++ b/src/thread/synccall.c
@@ -14,7 +14,7 @@ static struct chain {
sem_t target_sem, caller_sem;
} *volatile head;
-static volatile int synccall_lock[2];
+static volatile int synccall_lock[1];
static volatile int target_tid;
static void (*callback)(void *), *context;
static volatile int dummy = 0;