initial commit with rc for skalibs-2.0.0.0

1 files changed, 18 insertions, 0 deletions

diff --git a/src/libstddjb/waitn.c b/src/libstddjb/waitn.c
new file mode 100644
index 0000000..0d01cd1
--- /dev/null
+++ b/src/libstddjb/waitn.c
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+#include <sys/types.h>
+#include <skalibs/djbunix.h>
+
+int waitn (pid_t *pids, unsigned int n)
+{
+  while (n)
+  {
+    int wstat ;
+    register unsigned int i = 0 ;
+    register pid_t pid = wait_nointr(&wstat) ;
+    if (pid < 0) return 0 ;
+    for (; i < n ; i++) if (pid == pids[i]) break ;
+    if (i < n) pids[i] = pids[--n] ;
+  }
+  return 1 ;
+}