Move pgkill out into /port so pg_ctl can use it on Win32.

1 files changed, 59 insertions, 0 deletions

diff --git a/src/port/kill.c b/src/port/kill.c
new file mode 100644
index 00000000000..b13fea924f7
--- /dev/null
+++ b/src/port/kill.c
@@ -0,0 +1,59 @@
+/*-------------------------------------------------------------------------
+ *
+ * kill.c
+ *	  kill()
+ *
+ * Copyright (c) 1996-2003, PostgreSQL Global Development Group
+ *
+ *	This is a replacement version of kill for Win32 which sends
+ *	signals that the backend can recognize.
+ *
+ * IDENTIFICATION
+ *	  $PostgreSQL: pgsql/src/port/kill.c,v 1.1 2004/05/27 13:08:57 momjian Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+
+#ifdef WIN32
+/* signal sending */
+int
+pgkill(int pid, int sig)
+{
+	char		pipename[128];
+	BYTE		sigData = sig;
+	BYTE		sigRet = 0;
+	DWORD		bytes;
+
+	if (sig >= PG_SIGNAL_COUNT || sig <= 0)
+	{
+		errno = EINVAL;
+		return -1;
+	}
+	if (pid <= 0)
+	{
+		/* No support for process groups */
+		errno = EINVAL;
+		return -1;
+	}
+	wsprintf(pipename, "\\\\.\\pipe\\pgsignal_%i", pid);
+	if (!CallNamedPipe(pipename, &sigData, 1, &sigRet, 1, &bytes, 1000))
+	{
+		if (GetLastError() == ERROR_FILE_NOT_FOUND)
+			errno = ESRCH;
+		else if (GetLastError() == ERROR_ACCESS_DENIED)
+			errno = EPERM;
+		else
+			errno = EINVAL;
+		return -1;
+	}
+	if (bytes != 1 || sigRet != sig)
+	{
+		errno = ESRCH;
+		return -1;
+	}
+
+	return 0;
+}
+#endif