diff options
Diffstat (limited to 'libc/pwd_grp/fgetpwent.c')
| -rw-r--r-- | libc/pwd_grp/fgetpwent.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libc/pwd_grp/fgetpwent.c b/libc/pwd_grp/fgetpwent.c index e025cf6cc..5ca08d3b0 100644 --- a/libc/pwd_grp/fgetpwent.c +++ b/libc/pwd_grp/fgetpwent.c @@ -18,10 +18,21 @@ * */ +#include <features.h> #include <errno.h> #include <stdio.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 fgetpwent_r (FILE *file, struct passwd *password, char *buff, size_t buflen, struct passwd **crap) { @@ -37,8 +48,11 @@ struct passwd *fgetpwent(FILE * file) static char line_buff[PWD_BUFFER_SIZE]; static struct passwd pwd; + LOCK; if (fgetpwent_r(file, &pwd, line_buff, sizeof(line_buff), NULL) != -1) { + UNLOCK; return &pwd; } + UNLOCK; return NULL; } |