From f5c4671bfbad96bf346bd7e9a21fc4317b4959df Mon Sep 17 00:00:00 2001
From: Indrajith K L
Date: Sat, 3 Dec 2022 17:00:20 +0530
Subject: Adds most of the tools

---
 v_windows/v/old/vlib/os/signal.c.v | 58 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 v_windows/v/old/vlib/os/signal.c.v

(limited to 'v_windows/v/old/vlib/os/signal.c.v')

diff --git a/v_windows/v/old/vlib/os/signal.c.v b/v_windows/v/old/vlib/os/signal.c.v
new file mode 100644
index 0000000..5dda3bd
--- /dev/null
+++ b/v_windows/v/old/vlib/os/signal.c.v
@@ -0,0 +1,58 @@
+module os
+
+#include <signal.h>
+
+// os.Signal - enumerate possible POSIX signals and
+// their integer codes.
+// NB: the integer codes are given here explicitly,
+// to make it easier to lookup, without needing to
+// consult man pages / signal.h .
+
+pub enum Signal {
+	hup = 1
+	int = 2
+	quit = 3
+	ill = 4
+	trap = 5
+	abrt = 6
+	bus = 7
+	fpe = 8
+	kill = 9
+	usr1 = 10
+	segv = 11
+	usr2 = 12
+	pipe = 13
+	alrm = 14
+	term = 15
+	stkflt = 16
+	chld = 17
+	cont = 18
+	stop = 19
+	tstp = 20
+	ttin = 21
+	ttou = 22
+	urg = 23
+	xcpu = 24
+	xfsz = 25
+	vtalrm = 26
+	prof = 27
+	winch = 28
+	poll = 29
+	pwr = 30
+	sys = 31
+}
+
+type SignalHandler = fn (Signal)
+
+fn C.signal(signal int, handlercb SignalHandler) voidptr
+
+// signal will assign `handler` callback to be called when `signum` signal is received.
+pub fn signal_opt(signum Signal, handler SignalHandler) ?SignalHandler {
+	C.errno = 0
+	prev_handler := C.signal(int(signum), handler)
+	if prev_handler == C.SIG_ERR {
+		// errno isn't correctly set on Windows, but EINVAL is this only possible value it can take anyway
+		return error_with_code(posix_get_error_msg(C.EINVAL), C.EINVAL)
+	}
+	return SignalHandler(prev_handler)
+}
-- 
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