--- /dev/null
+#include <stdio.h>
+#include <sys/select.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+int main()
+{
+ FILE *fp = NULL, *fp_in = NULL;
+ FILE *out_fp = NULL, *diff_fp = NULL;
+ const char* topcmd = "/vservers/pl_netflow/vsys/test.out";
+ const char* top_in_file = "/vservers/pl_netflow/vsys/test.in";
+ char buf[4096];
+ int fd_in = -1, fd_out;
+ int res;
+ int flag;
+ int count = 1;
+ struct timeval tv={.tv_sec=5,.tv_usec=0};
+
+ while (count < 100) {
+ fd_set readSet;
+ int res;
+ int nlines=0;
+
+ printf("(.)", count);
+
+ if ((fd_out = open(topcmd, O_RDONLY | O_NONBLOCK)) < 0) {
+ fprintf(stderr, "error executing top\n");
+ exit(-1);
+ }
+ if ((fd_in = open(top_in_file, O_WRONLY)) < 0) {
+ fprintf(stderr, "error opening %s\n", top_in_file);
+ exit(-1);
+ }
+
+ if ((flag = fcntl(fd_out, F_GETFL)) == -1) {
+ printf("fcntl get failed\n");
+ exit(-1);
+ }
+
+ FD_ZERO(&readSet);
+ FD_SET(fd_out, &readSet);
+
+ res = select(fd_out + 1, &readSet, NULL, NULL, &tv);
+ if (res < 1) {
+ printf("select failed\n");
+ exit(-1);
+ }
+
+ if (fcntl(fd_out, F_SETFL, flag & ~O_NONBLOCK) == -1) {
+ printf("fcntl set failed\n");
+ exit(-1);
+ }
+
+ if ((flag = fcntl(fd_out, F_GETFL)) == -1) {
+ printf("fcntl get failed\n");
+ exit(-1);
+ }
+
+ if (flag & O_NONBLOCK == 0) {
+ printf("fd_out still nonblocking\n");
+ exit(-1);
+ }
+
+ if ((fp = fdopen(fd_out, "r")) == NULL) {
+ printf("fdopen failed\n");
+ exit(-1);
+ }
+
+ if ((out_fp = fopen("/tmp/vsys_passwd_test", "w")) == NULL) {
+ printf("could not create tmp file for test\n");
+ exit(-1);
+ }
+
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ fprintf(out_fp, "%s",buf);
+ }
+
+ fflush(out_fp);
+ fclose(out_fp);
+
+ if ((diff_fp = popen("/usr/bin/diff -u /tmp/vsys_passwd_test /etc/passwd","r")) == NULL) {
+ printf("Could not diff results\n");
+ exit(-1);
+ }
+
+ while (fgets(buf, sizeof(buf), diff_fp) != NULL) {
+ nlines++;
+ }
+
+ if (nlines) {
+ printf("Test returned different results - run again to verify\n");
+ exit(-1);
+ }
+
+ pclose (diff_fp);
+ fclose(fp);
+ close(fd_in);
+ count++;
+ }
+ printf("test successful.\n");
+ exit(0);
+
+}