posix: define POLLPRI in posix/poll.h

Add the POLLPRI constant defined by POSIX and test for it.

Signed-off-by: Jakub Michalski <[email protected]>
Signed-off-by: Maciej Sobkowski <[email protected]>

Author: jmichalski-ant

include/zephyr/posix/poll.h

@@ -17,6 +17,7 @@ typedef	unsigned int nfds_t;
 #define pollfd zsock_pollfd
 
 #define POLLIN ZSOCK_POLLIN
+#define POLLPRI ZSOCK_POLLPRI
 #define POLLOUT ZSOCK_POLLOUT
 #define POLLERR ZSOCK_POLLERR
 #define POLLHUP ZSOCK_POLLHUP

tests/posix/headers/src/poll_h.c

@@ -28,7 +28,7 @@ ZTEST(posix_headers, test_poll_h)
 	zassert_not_equal(-1, POLLIN);
 	/* zassert_not_equal(-1, POLLRDNORM); */ /* not implemented */
 	/* zassert_not_equal(-1, POLLRDBAND); */ /* not implemented */
-	/* zassert_not_equal(-1, POLLPRI); */ /* not implemented */
+	zassert_not_equal(-1, POLLPRI);
 	zassert_not_equal(-1, POLLOUT);
 	/* zassert_not_equal(-1, POLLWRNORM); */ /* not implemented */
 	/* zassert_not_equal(-1, POLLWRBAND); */ /* not implemented */