gdb/Changelog:
2018-08-07  Brian Vandenberg  <phantall@gmail.com>

	PR gdb/8527
	* procfs.c (proc_wait_for_stop): calls to set_sigint_trap and
	clear_sigint_trap.

diff --git a/gdb/procfs.c b/gdb/procfs.c
index 7b7ff45..7cd870c 100644
--- a/gdb/procfs.c
+++ b/gdb/procfs.c
@@ -913,7 +913,12 @@ proc_wait_for_stop (procinfo *pi)

     procfs_ctl_t cmd = PCWSTOP;

+    /* PR gdb/8527
+     * Was not correctly interrupting the inferior process
+     * when ^C was pressed in the debug terminal.
+     */
+    set_sigint_trap();
+
     win = (write (pi->ctl_fd, (char *) &cmd, sizeof (cmd)) == sizeof (cmd));
+
+    /* PR gdb/8527 */
+    clear_sigint_trap();
+
     /* We been runnin' and we stopped -- need to update status.  */
     pi->status_valid = 0;