Add POSIX_SPAWN_SETSID support to cspawn

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

1 files changed, 30 insertions, 0 deletions

diff --git a/src/sysdeps/tryposixspawnsetsid.c b/src/sysdeps/tryposixspawnsetsid.c
new file mode 100644
index 0000000..10e4e2e
--- /dev/null
+++ b/src/sysdeps/tryposixspawnsetsid.c
@@ -0,0 +1,30 @@
+/* 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_spawnattr_setflags(&attr, POSIX_SPAWN_SETSID) ;
+  posix_spawn_file_actions_init(&actions) ;
+  return posix_spawn(&pid, argv[0], 0, 0, argv, envp) ;
+}