1 files changed, 32 insertions, 0 deletions
diff --git a/reference/C/CONTRIB/OR_USING_C/10.4.c b/reference/C/CONTRIB/OR_USING_C/10.4.c
new file mode 100644
index 0000000..48cbdc7
--- /dev/null
+++ b/reference/C/CONTRIB/OR_USING_C/10.4.c
@@ -0,0 +1,32 @@
+#include <signal.h>
+#include <sys/ioctl.h>
+#include "10.h"
+
+fg(j)
+JOB *j;
+{
+    /*
+     * If the terminal is not in the job's process
+     * group, change the process group of the
+     * terminal.
+     */
+    if (j->pgrp != TermPgrp) {
+        ioctl(1, TIOCSPGRP, &j->pgrp);
+        TermPgrp = j->pgrp;
+    }
+
+    /*
+     * If the job is not running, start it up.
+     */
+    if (j->status & JSTOPPED) {
+        killpg(j->pgrp, SIGCONT);
+        j->status &= ~JSTOPPED;
+        j->status |= JRUNNING;
+    }
+
+    /*
+     * Go wait for the job to complete.
+     */
+    waitfor();
+}
+