[PATCH] posix_spawn: skip SIGKILL & SIGSTOP

[Yuyi Wang]

sigaction() returns EINVAL on SIGKILL & SIGSTOP. We need to skip them.
---
  newlib/libc/posix/posix_spawn.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/newlib/libc/posix/posix_spawn.c b/newlib/libc/posix/posix_spawn.c
index 6fd6159d0..46e4e5369 100644
--- a/newlib/libc/posix/posix_spawn.c
+++ b/newlib/libc/posix/posix_spawn.c
@@ -199,6 +199,8 @@ process_spawnattr(const posix_spawnattr_t sa)

      if (sa->sa_flags & POSIX_SPAWN_SETSIGDEF) {
          for (i = 1; i < NSIG; i++) {
+            if (i == SIGKILL || i == SIGSTOP)
+                continue;
              if (sigismember(&sa->sa_sigdefault, i))
                  if (sigaction(i, &sigact, NULL) != 0)
                      return (errno);
-- 
2.48.1.windows.1-2