Refactor: Move/rename cmProcessGetPipes() to cmGetPipes()

1 files changed, 48 insertions, 0 deletions

diff --git a/Source/cmGetPipes.cxx b/Source/cmGetPipes.cxx
new file mode 100644
index 0000000000..ad323f7ee6
--- /dev/null
+++ b/Source/cmGetPipes.cxx
@@ -0,0 +1,48 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmGetPipes.h"
+
+#include "cm_uv.h"
+
+#include <fcntl.h>
+
+#if defined(_WIN32) && !defined(__CYGWIN__)
+#  include <io.h>
+
+int cmGetPipes(int* fds)
+{
+  SECURITY_ATTRIBUTES attr;
+  HANDLE readh, writeh;
+  attr.nLength = sizeof(attr);
+  attr.lpSecurityDescriptor = nullptr;
+  attr.bInheritHandle = FALSE;
+  if (!CreatePipe(&readh, &writeh, &attr, 0))
+    return uv_translate_sys_error(GetLastError());
+  fds[0] = _open_osfhandle((intptr_t)readh, 0);
+  fds[1] = _open_osfhandle((intptr_t)writeh, 0);
+  if (fds[0] == -1 || fds[1] == -1) {
+    CloseHandle(readh);
+    CloseHandle(writeh);
+    return uv_translate_sys_error(GetLastError());
+  }
+  return 0;
+}
+#else
+#  include <errno.h>
+#  include <unistd.h>
+
+int cmGetPipes(int* fds)
+{
+  if (pipe(fds) == -1) {
+    return uv_translate_sys_error(errno);
+  }
+
+  if (fcntl(fds[0], F_SETFD, FD_CLOEXEC) == -1 ||
+      fcntl(fds[1], F_SETFD, FD_CLOEXEC) == -1) {
+    close(fds[0]);
+    close(fds[1]);
+    return uv_translate_sys_error(errno);
+  }
+  return 0;
+}
+#endif