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authorCorinna Vinschen <corinna@vinschen.de>2019-02-05 12:52:13 +0100
committerCorinna Vinschen <corinna@vinschen.de>2019-02-05 12:52:13 +0100
commit7225a82c1a4e90bcea2a17da12a427d1e783de30 (patch)
tree9951249eefa8b627566b6582ecfa0851782a8c1c
parentfb3e8bd88b06be6b5e748b99aa50968bb46653a1 (diff)
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Cygwin: fork: terminate child process unconditionally in error case
Move TerminateProcess call into cleanup code to make sure child doesn't linger in some border cases. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
-rw-r--r--winsup/cygwin/fork.cc9
1 files changed, 6 insertions, 3 deletions
diff --git a/winsup/cygwin/fork.cc b/winsup/cygwin/fork.cc
index 6f0036433..5f775249a 100644
--- a/winsup/cygwin/fork.cc
+++ b/winsup/cygwin/fork.cc
@@ -400,7 +400,6 @@ frok::parent (volatile char * volatile stack_here)
we can't actually record the pid in the internal table. */
if (!child.remember (false))
{
- TerminateProcess (hchild, 1);
this_errno = EAGAIN;
#ifdef DEBUGGING0
error ("child remember failed");
@@ -508,8 +507,12 @@ cleanup:
__malloc_unlock ();
/* Remember to de-allocate the fd table. */
- if (hchild && !child.hProcess) /* no child.procinfo */
- ForceCloseHandle1 (hchild, childhProc);
+ if (hchild)
+ {
+ TerminateProcess (hchild, 1);
+ if (!child.hProcess) /* no child.procinfo */
+ ForceCloseHandle1 (hchild, childhProc);
+ }
if (forker_finished)
ForceCloseHandle (forker_finished);
debug_printf ("returning -1");