1 files changed, 93 insertions, 0 deletions
diff --git a/unix/unix_mphal.c b/unix/unix_mphal.c
new file mode 100644
index 0000000000..c70045b4e4
--- /dev/null
+++ b/unix/unix_mphal.c
@@ -0,0 +1,93 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <unistd.h>
+#include <string.h>
+
+#include "py/mpstate.h"
+#include "unix_mphal.h"
+
+#ifndef _WIN32
+#include <signal.h>
+
+STATIC void sighandler(int signum) {
+    if (signum == SIGINT) {
+        mp_obj_exception_clear_traceback(MP_STATE_VM(keyboard_interrupt_obj));
+        MP_STATE_VM(mp_pending_exception) = MP_STATE_VM(keyboard_interrupt_obj);
+        // disable our handler so next we really die
+        struct sigaction sa;
+        sa.sa_handler = SIG_DFL;
+        sigemptyset(&sa.sa_mask);
+        sigaction(SIGINT, &sa, NULL);
+    }
+}
+#endif
+
+void mp_hal_set_interrupt_char(char c) {
+    // configure terminal settings to (not) let ctrl-C through
+    if (c == CHAR_CTRL_C) {
+        #ifndef _WIN32
+        // enable signal handler
+        struct sigaction sa;
+        sa.sa_handler = sighandler;
+        sigemptyset(&sa.sa_mask);
+        sigaction(SIGINT, &sa, NULL);
+        #endif
+    } else {
+        #ifndef _WIN32
+        // disable signal handler
+        struct sigaction sa;
+        sa.sa_handler = SIG_DFL;
+        sigemptyset(&sa.sa_mask);
+        sigaction(SIGINT, &sa, NULL);
+        #endif
+    }
+}
+
+int mp_hal_stdin_rx_chr(void) {
+    unsigned char c;
+    int ret = read(0, &c, 1);
+    if (ret == 0) {
+        c = 4; // EOF, ctrl-D
+    } else if (c == '\n') {
+        c = '\r';
+    }
+    return c;
+}
+
+void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
+    int ret = write(1, str, len);
+    (void)ret; // to suppress compiler warning
+}
+
+// cooked is same as uncooked because they terminal does some postprocessing
+void mp_hal_stdout_tx_strn_cooked(const char *str, mp_uint_t len) {
+    mp_hal_stdout_tx_strn(str, len);
+}
+
+void mp_hal_stdout_tx_str(const char *str) {
+    mp_hal_stdout_tx_strn(str, strlen(str));
+}