From f95a4a932476be2ba99e2fd081e8d2bc6ea12813 Mon Sep 17 00:00:00 2001
From: PikalaxALT <pikalaxalt@gmail.com>
Date: Fri, 15 Dec 2017 09:38:53 -0500
Subject: Import newlib and create makefile

---
 newlib/libc/unix/sigset.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 newlib/libc/unix/sigset.c

(limited to 'newlib/libc/unix/sigset.c')

diff --git a/newlib/libc/unix/sigset.c b/newlib/libc/unix/sigset.c
new file mode 100644
index 0000000..ecb3d08
--- /dev/null
+++ b/newlib/libc/unix/sigset.c
@@ -0,0 +1,61 @@
+#include <signal.h>
+#include <errno.h>
+
+#ifdef SIG_SETMASK	/* easier than trying to remove from Makefile */
+
+#undef sigemptyset
+int
+sigemptyset (sigset_t * set)
+{
+  *set = (sigset_t) 0;
+  return 0;
+}
+
+int
+sigfillset (sigset_t * set)
+{
+  *set = ~((sigset_t) 0);
+  return 0;
+}
+
+#undef sigaddset
+int
+sigaddset (sigset_t * set, int signo)
+{
+  if (signo >= NSIG || signo <= 0)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+  *set |= 1 << (signo - 1);
+  return 0;
+}
+
+int
+sigdelset (sigset_t * set, int signo)
+{
+  if (signo >= NSIG || signo <= 0)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+  *set &= ~(1 << (signo - 1));
+  return 0;
+}
+
+int
+sigismember (const sigset_t * set, int signo)
+{
+  if (signo >= NSIG || signo <= 0)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  if (*set & (1 << (signo - 1)))
+    return 1;
+  else
+    return 0;
+}
+
+#endif /* SIG_SETMASK */
-- 
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