Avoid that the tur_devt() call from libcheck_check() hangs.
Fixes: commit 873be9fef222 ("libmultipath/checkers/tur: Serialize tur_checker_context.devt accesses")
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
---
libmultipath/checkers/tur.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libmultipath/checkers/tur.c b/libmultipath/checkers/tur.c
index a7a70f6..81206e4 100644
--- a/libmultipath/checkers/tur.c
+++ b/libmultipath/checkers/tur.c
@@ -64,6 +64,7 @@ static const char *tur_devt(char *devt_buf, int size,
int libcheck_init (struct checker * c)
{
struct tur_checker_context *ct;
+ pthread_mutexattr_t attr;
ct = malloc(sizeof(struct tur_checker_context));
if (!ct)
@@ -74,7 +75,10 @@ int libcheck_init (struct checker * c)
ct->fd = -1;
ct->holders = 1;
pthread_cond_init_mono(&ct->active);
- pthread_mutex_init(&ct->lock, NULL);
+ pthread_mutexattr_init(&attr);
+ pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+ pthread_mutex_init(&ct->lock, &attr);
+ pthread_mutexattr_destroy(&attr);
pthread_spin_init(&ct->hldr_lock, PTHREAD_PROCESS_PRIVATE);
c->context = ct;
--
2.10.0
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