1 files changed, 22 insertions, 0 deletions
diff --git a/src/libunixonacid/timed_get.c b/src/libunixonacid/timed_get.c
new file mode 100644
index 0000000..0a02382
--- /dev/null
+++ b/src/libunixonacid/timed_get.c
@@ -0,0 +1,22 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/allreadwrite.h>
+#include <skalibs/functypes.h>
+#include <skalibs/tai.h>
+#include <skalibs/iopause.h>
+#include <skalibs/unix-timed.h>
+
+int timed_get (void *b, initfunc_t *getfd, initfunc_t *get, tain_t const *deadline, tain_t *stamp)
+{
+  iopause_fd x = { .fd = (*getfd)(b), .events = IOPAUSE_READ, .revents = 0 } ;
+  register int r = (*get)(b) ;
+  while (!r)
+  {
+    r = iopause_stamp(&x, 1, deadline, stamp) ;
+    if (!r) return (errno = ETIMEDOUT, -1) ;
+    else if (r > 0 && x.revents & (IOPAUSE_READ | IOPAUSE_EXCEPT))
+      r = (*get)(b) ;
+  }
+  return unsanitize_read(r) ;
+}