summaryrefslogtreecommitdiff
path: root/libc/pwd_grp/getspnam.c
diff options
context:
space:
mode:
Diffstat (limited to 'libc/pwd_grp/getspnam.c')
-rw-r--r--libc/pwd_grp/getspnam.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/libc/pwd_grp/getspnam.c b/libc/pwd_grp/getspnam.c
index d8a29a8a2..9d578f09a 100644
--- a/libc/pwd_grp/getspnam.c
+++ b/libc/pwd_grp/getspnam.c
@@ -17,12 +17,23 @@
*
*/
+#include <features.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include "config.h"
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
+# define LOCK pthread_mutex_lock(&mylock)
+# define UNLOCK pthread_mutex_unlock(&mylock);
+#else
+# define LOCK
+# define UNLOCK
+#endif
+
int getspnam_r (const char *name, struct spwd *spwd,
char *buff, size_t buflen, struct spwd **crap)
{
@@ -51,9 +62,12 @@ struct spwd *getspnam(const char *name)
static char line_buff[PWD_BUFFER_SIZE];
static struct spwd spwd;
+ LOCK;
if (getspnam_r(name, &spwd, line_buff, sizeof(line_buff), NULL) != -1) {
+ UNLOCK;
return &spwd;
}
+ UNLOCK;
return NULL;
}