[newlib-cygwin] Cygwin: testsuite: test posix_spawn_file_actions_addopen with O_CLOEXEC

[Jeremy Drake]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=1abf10e2257b5f3dcbafdb55a86f8adb4c9158ae

commit 1abf10e2257b5f3dcbafdb55a86f8adb4c9158ae
Author: Jeremy Drake <cygwin@jdrake.com>
Date:   Tue Jul 8 14:40:11 2025 -0700

    Cygwin: testsuite: test posix_spawn_file_actions_addopen with O_CLOEXEC
    
    This was previously not handled correctly by newlib.
    
    Signed-off-by: Jeremy Drake <cygwin@jdrake.com>

Diff:
---
 winsup/testsuite/winsup.api/posix_spawn/fds.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/winsup/testsuite/winsup.api/posix_spawn/fds.c b/winsup/testsuite/winsup.api/posix_spawn/fds.c
index 98ce36ff3..dab96ab33 100644
--- a/winsup/testsuite/winsup.api/posix_spawn/fds.c
+++ b/winsup/testsuite/winsup.api/posix_spawn/fds.c
@@ -74,6 +74,16 @@ int main (int argc, char **argv)
   exitStatus (status, 0);
   errCode (posix_spawn_file_actions_destroy (&fa));
 
+  /* test posix_spawn_file_actions_addopen with O_CLOEXEC */
+  errCode (posix_spawn_file_actions_init (&fa));
+  errCode (posix_spawn_file_actions_addopen (&fa, 0, "/dev/zero",
+					     O_RDONLY|O_CLOEXEC, 0644));
+  childargv[3] = "<ENOENT>";
+  errCode (posix_spawn (&pid, MYSELF, &fa, NULL, childargv, environ));
+  negError (waitpid (pid, &status, 0));
+  exitStatus (status, 0);
+  errCode (posix_spawn_file_actions_destroy (&fa));
+
   /* test posix_spawn_file_actions_adddup2 */
   errCode (posix_spawn_file_actions_init (&fa));
   errCode (posix_spawn_file_actions_adddup2 (&fa, fd, 0));