rototiller: add rototiller_quiesce()

This is a wrapper around threads_wait_idle(), so the caller
can easily synchronize with outstanding work before tearing
things down or otherwise rejiggering the world.

2 files changed, 8 insertions, 0 deletions

diff --git a/src/rototiller.c b/src/rototiller.c
index 18f0376..2a3d45c 100644
--- a/src/rototiller.c
+++ b/src/rototiller.c
@@ -75,6 +75,13 @@ int rototiller_init(void)
 }
 
 
+/* wait for all threads to be idle */
+void rototiller_quiesce(void)
+{
+	threads_wait_idle(rototiller_threads);
+}
+
+
 void rototiller_shutdown(void)
 {
 	threads_destroy(rototiller_threads);
diff --git a/src/rototiller.h b/src/rototiller.h
index fde7d43..56e1a90 100644
--- a/src/rototiller.h
+++ b/src/rototiller.h
@@ -26,6 +26,7 @@ typedef struct rototiller_module_t {
 } rototiller_module_t;
 
 int rototiller_init(void);
+void rototiller_quiesce(void);
 void rototiller_shutdown(void);
 const rototiller_module_t * rototiller_lookup_module(const char *name);
 void rototiller_get_modules(const rototiller_module_t ***res_modules, size_t *res_n_modules);