Revert r63758 and related commits

The change is unstable on Windows. Please re-commit it when it correctly
supports Windows.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63852 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 20 deletions

diff --git a/vm_core.h b/vm_core.h
index cf2dde01b1..ee151195d5 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -92,21 +92,6 @@
 
 #define RUBY_NSIG NSIG
 
-#if defined(SIGCLD)
-#  define RUBY_SIGCHLD    (SIGCLD)
-#elif defined(SIGCHLD)
-#  define RUBY_SIGCHLD    (SIGCHLD)
-#else
-#  define RUBY_SIGCHLD    (0)
-#endif
-
-/* platforms with broken or non-existent SIGCHLD work by polling */
-#if defined(__APPLE__) || defined(__WIN32__) || defined(_WIN32)
-#  define SIGCHLD_LOSSY (1)
-#else
-#  define SIGCHLD_LOSSY (0)
-#endif
-
 #ifdef HAVE_STDARG_PROTOTYPES
 #include <stdarg.h>
 #define va_init_list(a,b) va_start((a),(b))
@@ -568,9 +553,6 @@ typedef struct rb_vm_struct {
 #endif
 
     rb_serial_t fork_gen;
-    rb_nativethread_lock_t waitpid_lock;
-    struct list_head waiting_pids; /* PID > 0: <=> struct waitpid_state */
-    struct list_head waiting_grps; /* PID <= 0: <=> struct waitpid_state */
     struct list_head waiting_fds; /* <=> struct waiting_fd */
     struct list_head living_threads;
     VALUE thgroup_default;
@@ -1579,8 +1561,6 @@ static inline void
 rb_vm_living_threads_init(rb_vm_t *vm)
 {
     list_head_init(&vm->waiting_fds);
-    list_head_init(&vm->waiting_pids);
-    list_head_init(&vm->waiting_grps);
     list_head_init(&vm->living_threads);
     vm->living_thread_num = 0;
 }