Add posix_spawn_file_actions_addchdir() support

Signed-off-by: Laurent Bercot <ska@appnovation.com>

2 files changed, 62 insertions, 0 deletions

diff --git a/src/sysdeps/tryposixspawnchdir.c b/src/sysdeps/tryposixspawnchdir.c
new file mode 100644
index 0000000..7c08346
--- /dev/null
+++ b/src/sysdeps/tryposixspawnchdir.c
@@ -0,0 +1,31 @@
+/* ISC license. */
+
+#undef _POSIX_C_SOURCE
+#undef _XOPEN_SOURCE
+
+#ifndef _XPG4_2
+#define _XPG4_2
+#endif
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#ifndef _DEFAULT_SOURCE
+#define _DEFAULT_SOURCE
+#endif
+
+#include <spawn.h>
+
+int main (void)
+{
+  pid_t pid ;
+  posix_spawn_file_actions_t actions ;
+  posix_spawnattr_t attr ;
+  char *const argv[2] = { "/bin/true", 0 } ;
+  char *const envp[1] = { 0 } ;
+  posix_spawn_file_actions_init(&actions) ;
+  posix_spawn_file_actions_addchdir(&actions, "/") ;
+  posix_spawn_file_actions_addfchdir(&actions, -1) ;
+  return posix_spawn(&pid, argv[0], 0, 0, argv, envp) ;
+}
diff --git a/src/sysdeps/tryposixspawnchdirnp.c b/src/sysdeps/tryposixspawnchdirnp.c
new file mode 100644
index 0000000..19481f3
--- /dev/null
+++ b/src/sysdeps/tryposixspawnchdirnp.c
@@ -0,0 +1,31 @@
+/* ISC license. */
+
+#undef _POSIX_C_SOURCE
+#undef _XOPEN_SOURCE
+
+#ifndef _XPG4_2
+#define _XPG4_2
+#endif
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#ifndef _DEFAULT_SOURCE
+#define _DEFAULT_SOURCE
+#endif
+
+#include <spawn.h>
+
+int main (void)
+{
+  pid_t pid ;
+  posix_spawn_file_actions_t actions ;
+  posix_spawnattr_t attr ;
+  char *const argv[2] = { "/bin/true", 0 } ;
+  char *const envp[1] = { 0 } ;
+  posix_spawn_file_actions_init(&actions) ;
+  posix_spawn_file_actions_addchdir_np(&actions, "/") ;
+  posix_spawn_file_actions_addfchdir_np(&actions, -1) ;
+  return posix_spawn(&pid, argv[0], 0, 0, argv, envp) ;
+}