Squashed 'third_party/osqp/' content from commit 33454b3e23
Change-Id: I056df0582ca06664e86554c341a94c47ab932001
git-subtree-dir: third_party/osqp
git-subtree-split: 33454b3e236f1f44193bfbbb6b8c8e71f8f04e9a
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/src/ctrlc.c b/src/ctrlc.c
new file mode 100644
index 0000000..a1fe2ea
--- /dev/null
+++ b/src/ctrlc.c
@@ -0,0 +1,80 @@
+/*
+ * Implements signal handling (ctrl-c) for OSQP.
+ *
+ * Under Windows, we use SetConsoleCtrlHandler.
+ * Under Unix systems, we use sigaction.
+ * For Mex files, we use utSetInterruptEnabled/utIsInterruptPending.
+ *
+ */
+
+#include "ctrlc.h"
+
+#if defined MATLAB
+
+static int istate;
+
+void osqp_start_interrupt_listener(void) {
+ istate = utSetInterruptEnabled(1);
+}
+
+void osqp_end_interrupt_listener(void) {
+ utSetInterruptEnabled(istate);
+}
+
+int osqp_is_interrupted(void) {
+ return utIsInterruptPending();
+}
+
+#elif defined IS_WINDOWS
+
+static int int_detected;
+static BOOL WINAPI handle_ctrlc(DWORD dwCtrlType) {
+ if (dwCtrlType != CTRL_C_EVENT) return FALSE;
+
+ int_detected = 1;
+ return TRUE;
+}
+
+void osqp_start_interrupt_listener(void) {
+ int_detected = 0;
+ SetConsoleCtrlHandler(handle_ctrlc, TRUE);
+}
+
+void osqp_end_interrupt_listener(void) {
+ SetConsoleCtrlHandler(handle_ctrlc, FALSE);
+}
+
+int osqp_is_interrupted(void) {
+ return int_detected;
+}
+
+#else /* Unix */
+
+# include <signal.h>
+static int int_detected;
+struct sigaction oact;
+static void handle_ctrlc(int dummy) {
+ int_detected = dummy ? dummy : -1;
+}
+
+void osqp_start_interrupt_listener(void) {
+ struct sigaction act;
+
+ int_detected = 0;
+ act.sa_flags = 0;
+ sigemptyset(&act.sa_mask);
+ act.sa_handler = handle_ctrlc;
+ sigaction(SIGINT, &act, &oact);
+}
+
+void osqp_end_interrupt_listener(void) {
+ struct sigaction act;
+
+ sigaction(SIGINT, &oact, &act);
+}
+
+int osqp_is_interrupted(void) {
+ return int_detected;
+}
+
+#endif /* END IF IS_MATLAB / WINDOWS */