diff options
Diffstat (limited to 'src/libstrongswan/utils.c')
| -rw-r--r-- | src/libstrongswan/utils.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/src/libstrongswan/utils.c b/src/libstrongswan/utils.c index 942f2ade0..aa50b86b4 100644 --- a/src/libstrongswan/utils.c +++ b/src/libstrongswan/utils.c @@ -20,7 +20,6 @@ #include <sys/stat.h> #include <string.h> -#include <pthread.h> #include <stdio.h> #include <unistd.h> #include <dirent.h> @@ -138,19 +137,16 @@ void nop() { } +#ifndef HAVE_GCC_ATOMIC_OPERATIONS +#include <pthread.h> + /** - * We use a single mutex for all refcount variables. This - * is not optimal for performance, but the critical section - * is not that long... - * TODO: Consider to include a mutex in each refcount_t variable. + * We use a single mutex for all refcount variables. */ static pthread_mutex_t ref_mutex = PTHREAD_MUTEX_INITIALIZER; /** - * Described in header. - * - * TODO: May be implemented with atomic CPU instructions - * instead of a mutex. + * Increase refcount */ void ref_get(refcount_t *ref) { @@ -160,10 +156,7 @@ void ref_get(refcount_t *ref) } /** - * Described in header. - * - * TODO: May be implemented with atomic CPU instructions - * instead of a mutex. + * Decrease refcount */ bool ref_put(refcount_t *ref) { @@ -174,6 +167,7 @@ bool ref_put(refcount_t *ref) pthread_mutex_unlock(&ref_mutex); return !more_refs; } +#endif /* HAVE_GCC_ATOMIC_OPERATIONS */ /** * output handler in printf() for time_t |