diff options
Diffstat (limited to 'libc/stdlib')
| -rw-r--r-- | libc/stdlib/setenv.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/libc/stdlib/setenv.c b/libc/stdlib/setenv.c index 7f6a1501c..02959ab95 100644 --- a/libc/stdlib/setenv.c +++ b/libc/stdlib/setenv.c @@ -26,16 +26,17 @@ #include <unistd.h> #ifdef __UCLIBC_HAS_THREADS__ -/* This lock protects against simultaneous modifications of `environ'. */ -# include <bits/libc-lock.h> -__libc_lock_define_initialized (static, envlock) -# define LOCK __libc_lock_lock (envlock) -# define UNLOCK __libc_lock_unlock (envlock) +/* protects against simultaneous modifications of `environ'. */ +#include <pthread.h> +static pthread_mutex_t envlock = PTHREAD_MUTEX_INITIALIZER; +# define LOCK pthread_mutex_lock(&envlock) +# define UNLOCK pthread_mutex_unlock(&envlock); #else # define LOCK # define UNLOCK #endif + /* If this variable is not a null pointer we allocated the current environment. */ static char **last_environ; @@ -55,7 +56,7 @@ int __add_to_environ (const char *name, const char *value, const size_t namelen = strlen (name); const size_t vallen = value != NULL ? strlen (value) + 1 : 0; - LOCK; + pthread_mutex_lock(&envlock); /* We have to get the pointer now that we have the lock and not earlier since another thread might have created a new environment. */ |