1 files changed, 82 insertions, 0 deletions
diff --git a/winsup/testsuite/winsup.api/posix_spawn/signals.c b/winsup/testsuite/winsup.api/posix_spawn/signals.c
new file mode 100644
index 0000000..f64404d
--- /dev/null
+++ b/winsup/testsuite/winsup.api/posix_spawn/signals.c
@@ -0,0 +1,82 @@
+#include "test.h"
+#include <signal.h>
+#include <spawn.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+int handle_child (char *arg)
+{
+  struct sigaction sa;
+  sigset_t mask;
+  int ret;
+
+  negError (sigaction (SIGUSR1, NULL, &sa));
+  negError (sigprocmask (SIG_SETMASK, NULL, &mask));
+  negError (ret = sigismember (&mask, SIGUSR2));
+
+  if (!strcmp (arg, "inherited"))
+    {
+      testAssert (sa.sa_handler == SIG_IGN);
+      testAssertMsg (ret, "SIGUSR2 not masked");
+    }
+  else
+    {
+      testAssert (sa.sa_handler == SIG_DFL);
+      testAssertMsg (!ret, "SIGUSR2 masked");
+    }
+
+  return 0;
+}
+
+int main (int argc, char **argv)
+{
+  posix_spawnattr_t sa;
+  pid_t pid;
+  int status;
+  sigset_t sigusr1mask, sigusr2mask, emptymask;
+  char *childargv[] = {"signal", "--child", "inherited", NULL};
+
+  /* unbuffer stdout */
+  setvbuf(stdout, NULL, _IONBF, 0);
+
+  if (argc == 3 && !strcmp (argv[1], "--child"))
+    return handle_child (argv[2]);
+
+  negError (sigemptyset (&sigusr1mask));
+  negError (sigaddset (&sigusr1mask, SIGUSR1));
+  negError (sigemptyset (&sigusr2mask));
+  negError (sigaddset (&sigusr2mask, SIGUSR2));
+  negError (sigemptyset (&emptymask));
+
+  /* set all signals to default */
+  for (int i = 1; i < NSIG; ++i)
+    if (i != SIGKILL && i != SIGSTOP)
+      signal (i, SIG_DFL);
+
+  /* change some signal states to test signal-related posix_spawn flags */
+  sigError (signal (SIGUSR1, SIG_IGN));
+  negError (sigprocmask (SIG_SETMASK, &sigusr2mask, NULL));
+
+  /* ensure ignored and blocked signals are inherited by default */
+  errCode (posix_spawn (&pid, MYSELF, NULL, NULL, childargv, environ));
+  negError (waitpid (pid, &status, 0));
+  exitStatus (status, 0);
+
+  errCode (posix_spawnattr_init (&sa));
+  errCode (posix_spawnattr_setsigmask (&sa, &emptymask));
+  errCode (posix_spawnattr_setsigdefault (&sa, &sigusr1mask));
+  errCode (posix_spawnattr_setflags (&sa,
+	POSIX_SPAWN_SETSIGDEF|POSIX_SPAWN_SETSIGMASK));
+
+  /* ensure setsigmask and setsigdefault work */
+  childargv[2] = "spawnattr";
+  errCode (posix_spawn (&pid, MYSELF, NULL, &sa, childargv, environ));
+  negError (waitpid (pid, &status, 0));
+  exitStatus (status, 0);
+
+  errCode (posix_spawnattr_destroy (&sa));
+
+  return 0;
+}