Windows: Implement setitimer() and sigaction().
The timer is implemented using a thread that calls the signal handler
at regular intervals.
We also replace Windows's signal() function because we must intercept
that SIGALRM is set (which is used when a timer is canceled).
Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
diff --git a/compat/mingw.h b/compat/mingw.h
index fad855e..a369ade 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -154,6 +154,9 @@
int mingw_rename(const char*, const char*);
#define rename mingw_rename
+sig_handler_t mingw_signal(int sig, sig_handler_t handler);
+#define signal mingw_signal
+
/*
* git specific compatibility
*/
