diff options
Diffstat (limited to 'libc/pwd_grp/getspuid.c')
| -rw-r--r-- | libc/pwd_grp/getspuid.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libc/pwd_grp/getspuid.c b/libc/pwd_grp/getspuid.c index f06eb1ad0..d57b2aa0b 100644 --- a/libc/pwd_grp/getspuid.c +++ b/libc/pwd_grp/getspuid.c @@ -17,11 +17,22 @@ * */ +#include <features.h> #include <stdlib.h> #include <unistd.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 getspuid_r (uid_t uid, struct spwd *spwd, char *buff, size_t buflen, struct spwd **crap) { @@ -39,9 +50,12 @@ struct spwd *getspuid(uid_t uid) static char line_buff[PWD_BUFFER_SIZE]; static struct spwd spwd; + LOCK; if (getspuid_r(uid, &spwd, line_buff, sizeof(line_buff), NULL) != -1) { + UNLOCK; return &spwd; } + UNLOCK; return NULL; } |