diff options
Diffstat (limited to 'src/wg.h')
-rw-r--r-- | src/wg.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/wg.h b/src/wg.h new file mode 100644 index 0000000..777e8a3 --- /dev/null +++ b/src/wg.h @@ -0,0 +1,19 @@ +#pragma once + +#include <pthread.h> + +/* Thread management tools modeled on https://golang.org/pkg/sync/#WaitGroup */ + +/* pthread_cond_t is overly complicated. Just use a self-pipe. */ + +struct wg { + int count; + pthread_mutex_t lock; + int fd_wait; + int fd_signal; +}; + +void wg_init(struct wg *); +void wg_add(struct wg *, unsigned int); +void wg_sub(struct wg *, unsigned int); +void wg_wait(struct wg*); |