Merge pull request esnet#1595 from RayWindRiver/iperf_vxworks

update to support VxWorks

src/iperf.h

@@ -94,6 +94,10 @@ typedef uint_fast64_t iperf_size_t;
 typedef atomic_uint_fast64_t atomic_iperf_size_t;
 #endif // __IPERF_API_H
 
+#if (defined(__vxworks)) || (defined(__VXWORKS__))
+typedef unsigned int uint
+#endif // __vxworks or __VXWORKS__
+
 struct iperf_interval_results
 {
     atomic_iperf_size_t bytes_transferred; /* bytes transferred in this interval */

src/iperf_api.c

@@ -4710,7 +4710,15 @@ iperf_create_pidfile(struct iperf_test *test)
 		if (pid > 0) {
 
 		    /* See if the process exists. */
+#if (defined(__vxworks)) || (defined(__VXWORKS__))
+#if (defined(_WRS_KERNEL)) && (defined(_WRS_CONFIG_LP64))
+			if (kill((_Vx_TASK_ID)pid, 0) == 0) {
+#else
+			if (kill(pid, 0) == 0) {
+#endif // _WRS_KERNEL and _WRS_CONFIG_LP64
+#else
 		    if (kill(pid, 0) == 0) {
+#endif // __vxworks or __VXWORKS__
 			/*
 			 * Make sure not to try to delete existing PID file by
 			 * scribbling over the pathname we'd use to refer to it.

src/iperf_client_api.c

@@ -614,7 +614,19 @@ iperf_run_client(struct iperf_test * test)
             timeout = &used_timeout;
         }
 
+#if (defined(__vxworks)) || (defined(__VXWORKS__))
+    if (timeout != NULL && timeout->tv_sec == 0 && timeout->tv_usec == 0) {
+        taskDelay (1);
+	}
+
+    result = select(test->max_fd + 1,
+                    &read_set,
+                    (test->state == TEST_RUNNING && !test->reverse) ? &write_set : NULL,
+                    NULL,
+                    timeout);
+#else
 	result = select(test->max_fd + 1, &read_set, &write_set, NULL, timeout);
+#endif // __vxworks or __VXWORKS__
 	if (result < 0 && errno != EINTR) {
   	    i_errno = IESELECT;
 	    goto cleanup_and_fail;

src/portable_endian.h

@@ -131,7 +131,9 @@
 // the truth because we use the homebrew htonll, et al. implementations
 // that were originally the sole implementation of this functionality
 // in iperf 3.0.
+#if (!defined(__vxworks)) && (!defined(__VXWORKS__))
 #	warning platform not supported
+#endif
 #	include <endian.h>
 #if BYTE_ORDER == BIG_ENDIAN
 #define HTONLL(n) (n)