diff options
Diffstat (limited to 'libc/pwd_grp/getpwnam.c')
| -rw-r--r-- | libc/pwd_grp/getpwnam.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libc/pwd_grp/getpwnam.c b/libc/pwd_grp/getpwnam.c index b0674b15d..00adb57ca 100644 --- a/libc/pwd_grp/getpwnam.c +++ b/libc/pwd_grp/getpwnam.c @@ -18,6 +18,7 @@ * */ +#include <features.h> #include <unistd.h> #include <string.h> #include <errno.h> @@ -25,6 +26,16 @@ #include <paths.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 getpwnam_r (const char *name, struct passwd *password, char *buff, size_t buflen, struct passwd **crap) { @@ -53,9 +64,12 @@ struct passwd *getpwnam(const char *name) static char line_buff[PWD_BUFFER_SIZE]; static struct passwd pwd; + LOCK; if (getpwnam_r(name, &pwd, line_buff, sizeof(line_buff), NULL) != -1) { + UNLOCK; return &pwd; } + UNLOCK; return NULL; } |