1 files changed, 63 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/tst-spawn-pidfd.h b/sysdeps/unix/sysv/linux/tst-spawn-pidfd.h
new file mode 100644
index 0000000000..ea51c22447
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/tst-spawn-pidfd.h
@@ -0,0 +1,63 @@
+/* Tests for spawn pidfd extension.
+   Copyright (C) 2023 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <spawn.h>
+#include <support/check.h>
+
+#define PID_T_TYPE int
+
+/* Call posix_spawn with POSIX_SPAWN_PIDFD set.  */
+static inline int
+pidfd_spawn_check (int *pidfd, const char *path,
+		   const posix_spawn_file_actions_t *fa,
+		   const posix_spawnattr_t *attr, char *const argv[],
+		   char *const envp[])
+{
+  int r = pidfd_spawn (pidfd, path, fa, attr, argv, envp);
+  if (r == ENOSYS)
+    FAIL_UNSUPPORTED ("kernel does not support CLONE_PIDFD clone flag");
+  return r;
+}
+
+#define POSIX_SPAWN(__pidfd, __path, __actions, __attr, __argv, __envp)	     \
+  pidfd_spawn_check (__pidfd, __path, __actions, __attr, __argv, __envp)
+
+static inline int
+pidfd_spawnp_check (int *pidfd, const char *file,
+		    const posix_spawn_file_actions_t *fa,
+		    const posix_spawnattr_t *attr,
+		    char *const argv[], char *const envp[])
+{
+  int r = pidfd_spawnp (pidfd, file, fa, attr, argv, envp);
+  if (r == ENOSYS)
+    FAIL_UNSUPPORTED ("kernel does not support CLONE_PIDFD clone flag");
+  return r;
+}
+
+#define POSIX_SPAWNP(__child, __path, __actions, __attr, __argv, __envp) \
+  pidfd_spawnp_check (__child, __path, __actions, __attr, __argv, __envp)
+
+#define WAITID(__idtype, __id, __info, __opts)				     \
+  ({									     \
+     __typeof (__idtype) __new_idtype = __idtype == P_PID		     \
+					? P_PIDFD : __idtype;		     \
+     waitid (__new_idtype, __id, __info, __opts);			     \
+  })
+
+#define TST_SPAWN_PIDFD 1