* sigproc.cc (mychild): New function.

(proc_subproc): Use mychild() to determine if a specific pid is valid for
wait()ing.

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 2be8e4fb4f46f5f378ff149060ed48637de35a8b..7a67363dad1d7d205e4c0dc03e37d5a2aed0808c 100644 (file)
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,9 @@
+Fri Sep  1 21:17:03 2000  Christopher Faylor <cgf@cygnus.com>
+
+       * sigproc.cc (mychild): New function.
+       (proc_subproc): Use mychild() to determine if a specific pid is valid
+       for wait()ing.
+
 Fri Sep  1 16:57:44 2000  Christopher Faylor <cgf@cygnus.com>
 
        * sigproc.cc (sigproc_init): Create wait_sig_inited without auto-reset

diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc
index 30976b62ac5a12c759689c5ab98e7ca69870725e..93313525d4808c3f38194876110fadf94ee84579 100644 (file)
--- a/winsup/cygwin/sigproc.cc
+++ b/winsup/cygwin/sigproc.cc
@@ -22,8 +22,7 @@ details. */
 #include "pinfo.h"
 #include "child_info.h"
 #include "perthread.h"
-
-extern BOOL allow_ntsec;
+#include <assert.h>
 
 /*
  * Convenience defines
@@ -244,6 +243,21 @@ proc_exists (_pinfo *p)
   return FALSE;
 }
 
+/* Return 1 if this is one of our children, zero otherwise.
+   FIXME: This really should be integrated with the rest of the proc_subproc
+   testing.  Scanning these lists twice is inefficient. */
+int __stdcall
+mychild (int pid)
+{
+  for (int i = 0; i < nchildren; i++)
+    if (pchildren[i]->pid == pid)
+      return 1;
+  for (int i = 0; i < nzombies; i++)
+    if (zombies[i]->pid == pid)
+      return 1;
+  return 0;
+}
+
 /* Handle all subprocess requests
  */
 #define vchild (*((pinfo *) val))
@@ -252,7 +266,6 @@ proc_subproc (DWORD what, DWORD val)
 {
   int rc = 1;
   int potential_match;
-  DWORD exitcode;
   _pinfo *child;
   int clearing;
   waitq *w;
@@ -303,8 +316,7 @@ proc_subproc (DWORD what, DWORD val)
      */
     case PROC_CHILDTERMINATED:
       rc = 0;
-      if (GetExitCodeProcess (hchildren[val], &exitcode) &&
-         hchildren[val] != pchildren[val]->hProcess)
+      if (hchildren[val] != pchildren[val]->hProcess)
        {
          sigproc_printf ("pid %d[%d], reparented old hProcess %p, new %p",
                      pchildren[val]->pid, val, hchildren[val], pchildren[val]->hProcess);
@@ -391,7 +403,7 @@ proc_subproc (DWORD what, DWORD val)
 
       if (wval->pid <= 0)
        child = NULL;           // Not looking for a specific pid
-      else if (!pid_exists (wval->pid)) /* CGF FIXME -- test that this is one of mine */
+      else if (!mychild (wval->pid))
        goto out;               // invalid pid.  flag no such child
 
       wval->status = 0;                // Don't know status yet
@@ -595,7 +607,7 @@ sig_dispatch_pending (int justwake)
        /*sigproc_printf ("I'm going away now")*/;
       else
        system_printf ("%E releasing sigcatch_nosync(%p)", sigcatch_nosync);
- 
+
     }
   return was_pending;
 }