Moved from ports with several enhancements

1 files changed, 47 insertions, 0 deletions

diff --git a/lib/libncurses/lib_tstp.c b/lib/libncurses/lib_tstp.c
new file mode 100644
index 0000000..691dcd3
--- /dev/null
+++ b/lib/libncurses/lib_tstp.c
@@ -0,0 +1,47 @@
+
+/* This work is copyrighted. See COPYRIGHT.OLD & COPYRIGHT.NEW for   *
+*  details. If they are missing then this copy is in violation of    *
+*  the copyright conditions.                                        */
+
+/*
+**	lib_tstp.c
+**
+**	The routine tstp().
+**
+*/
+
+#include "curses.priv.h"
+#include <nterm.h>
+#ifdef SVR4_ACTION
+#define _POSIX_SOURCE
+#endif
+#include <signal.h>
+
+void tstp(int dummy)
+{
+sigaction_t act, oact;
+sigset_t mask;
+
+	T(("tstp() called"));
+
+	endwin();
+
+	sigemptyset(&mask);
+	sigaddset(&mask, SIGTSTP);
+	sigprocmask(SIG_UNBLOCK, &mask, NULL);
+
+	act.sa_handler = SIG_DFL;
+	sigemptyset(&act.sa_mask);
+	act.sa_flags = 0;
+	sigaction(SIGTSTP, &act, &oact);
+	kill(getpid(), SIGTSTP);
+
+	T(("SIGCONT received"));
+	sigaction(SIGTSTP, &oact, NULL);
+	reset_prog_mode();
+	flushinp();
+	if (enter_ca_mode)
+		tputs(enter_ca_mode, 1, _outc);
+	doupdate();
+}
+