amigaos4: better popen() + pclose() implementation

popen(): handle better the case where the popened external
might exit before the child process manages to start.

pclose(): protect with a semaphore.

1 files changed, 1 insertions, 4 deletions

diff --git a/util.c b/util.c
index c18555c752..98e6be545a 100644
--- a/util.c
+++ b/util.c
@@ -3175,10 +3175,7 @@ S_pidgone(pTHX_ Pid_t pid, int status)
 }
 #endif
 
-#if defined(OS2) || defined(__amigaos4__)
-#  if defined(__amigaos4__) && defined(pclose)
-#    undef pclose
-#  endif
+#if defined(OS2)
 int pclose();
 #ifdef HAS_FORK
 int					/* Cannot prototype with I32