libreplace: poll based on select

[kamenim/samba.git] / lib / replace / system / select.h

diff --git a/lib/replace/system/select.h b/lib/replace/system/select.h
index da18de0cfc750ccc3863c25c791ee063447021ab..11c5390d90138ad0106af2feab6e56713cb71497 100644 (file)
--- a/lib/replace/system/select.h
+++ b/lib/replace/system/select.h
@@ -38,4 +38,40 @@
 #define SELECT_CAST
 #endif
 
+#ifdef HAVE_POLL
+
+#include <poll.h>
+
+#else
+
+/* Type used for the number of file descriptors.  */
+typedef unsigned long int nfds_t;
+
+/* Data structure describing a polling request.  */
+struct pollfd
+{
+       int fd;            /* File descriptor to poll.  */
+       short int events;  /* Types of events poller cares about.  */
+       short int revents; /* Types of events that actually occurred.  */
+};
+
+/* Event types that can be polled for.  These bits may be set in `events'
+   to indicate the interesting event types; they will appear in `revents'
+   to indicate the status of the file descriptor.  */
+#define POLLIN         0x001           /* There is data to read.  */
+#define POLLPRI                0x002           /* There is urgent data to read.  */
+#define POLLOUT                0x004           /* Writing now will not block.  */
+#define POLLRDNORM     0x040           /* Normal data may be read.  */
+#define POLLRDBAND     0x080           /* Priority data may be read.  */
+#define POLLWRNORM     0x100           /* Writing now will not block.  */
+#define POLLWRBAND     0x200           /* Priority data may be written.  */
+#define POLLERR                0x008           /* Error condition.  */
+#define POLLHUP                0x010           /* Hung up.  */
+#define POLLNVAL       0x020           /* Invalid polling request.  */
+
+/* define is in "replace.h" */
+int rep_poll(struct pollfd *fds, nfds_t nfds, int timeout);
+
+#endif
+
 #endif