1 files changed, 23 insertions, 0 deletions
diff --git a/src/libstddjb/wait_pids_nohang.c b/src/libstddjb/wait_pids_nohang.c
new file mode 100644
index 0000000..3c52e6b
--- /dev/null
+++ b/src/libstddjb/wait_pids_nohang.c
@@ -0,0 +1,23 @@
+/* ISC license. */
+
+#include <sys/types.h>
+#include <skalibs/djbunix.h>
+
+int wait_pids_nohang (pid_t const *pids, unsigned int len, int *wstat)
+{
+  for (;;)
+  {
+    int w ;
+    register pid_t r = wait_nohang(&w) ;
+    if (!r || (r == (pid_t)-1)) return (int)r ;
+    {
+      register unsigned int i = 0 ;
+      for (; i < len ; i++) if (r == pids[i]) break ;
+      if (i < len)
+      {
+        *wstat = w ;
+        return 1+i ;
+      }
+    }
+  }
+}