1 files changed, 90 insertions, 0 deletions
diff --git a/funkey/fk_instant_play.c b/funkey/fk_instant_play.c
new file mode 100644
index 0000000..eeacae8
--- /dev/null
+++ b/funkey/fk_instant_play.c
@@ -0,0 +1,90 @@
+/*
+    FK - FunKey retro gaming console library
+    Copyright (C) 2020-2021 Vincent Buso
+    Copyright (C) 2020-2021 Michel Stempin
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Vincent Buso
+    vincent.buso@funkey-project.com
+    Michel Stempin
+    michel.stempin@funkey-project.com
+*/
+
+/**
+ *  @file FK_Instant_Play.c
+ *  This is the Instant Play API for the FunKey retro gaming console library
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include "fk_menu.h"
+#include "fk_instant_play.h"
+#include "core.h"
+
+#ifndef SHELL_CMD_POWERDOWN
+#define SHELL_CMD_POWERDOWN                 "shutdown_funkey"
+#define SHELL_CMD_SCHEDULE_POWERDOWN        "sched_shutdown"
+#define SHELL_CMD_CANCEL_SCHED_POWERDOWN    "cancel_sched_powerdown"
+#endif
+
+static char *prog_name;
+
+/* Handler for SIGUSR1, caused by closing the console */
+static void handle_sigusr1(int signal)
+{
+    FILE *fp;
+
+    printf("Caught signal USR1(%d)\n", signal);
+
+    /* Exit menu if it was launched */
+    FK_EndMenu();
+
+    /* Send command to cancel any previously scheduled powerdown */
+    fp = popen(SHELL_CMD_CANCEL_SCHED_POWERDOWN, "r");
+    if (fp == NULL)
+    {
+        /* Countdown is still ticking, so better do nothing
+           than start writing and get interrupted!
+        */
+        printf("Failed to cancel scheduled shutdown\n");
+        exit(0);
+    }
+    pclose(fp);
+
+    state_slot = AUTOSAVE_SLOT;
+    if(!state_write()) {
+        printf("Save failed");
+        state_slot = 0;
+    }
+
+    save_config(CONFIG_TYPE_AUTO);
+
+	/* Perform Instant Play save and shutdown */
+	execlp(SHELL_CMD_INSTANT_PLAY, SHELL_CMD_INSTANT_PLAY, "save", prog_name, core_path, content->path, NULL);
+
+    /* Should not be reached */
+    printf("Failed to perform shutdown\n");
+
+    /* Exit application */
+    exit(0);
+}
+
+void FK_InitInstantPlay(int argc, char **argv)
+{
+    prog_name = argv[0];
+    signal(SIGUSR1, handle_sigusr1);
+}
+