X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fruntime%2Frun-program.c;h=367dd77bc497042a89c8ae77a3adeb714a9da753;hb=ed1910efb36f71b5ebe33b5ffffd7195e15644de;hp=4e6f829aa057cdd5641bc86223ac1880816d607d;hpb=7e0235c6f230d9e07a710a33479697f174f393fb;p=sbcl.git

diff --git a/src/runtime/run-program.c b/src/runtime/run-program.c
index 4e6f829..367dd77 100644
--- a/src/runtime/run-program.c
+++ b/src/runtime/run-program.c
@@ -25,7 +25,7 @@
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <unistd.h>
-
+#include <sys/wait.h>
 #include <sys/ioctl.h>
 #include <termios.h>
 #include <errno.h>
@@ -138,6 +138,7 @@ int spawn(char *program, char *argv[], int sin, int sout, int serr,
                     p += n;
                 }
             }
+            close(channel[0]);
             if (child_errno) {
                 waitpid(pid, NULL, 0);
                 /* Our convention to tell Lisp that it was the exec that
@@ -192,7 +193,9 @@ int spawn(char *program, char *argv[], int sin, int sout, int serr,
         if (fd != channel[1]) close(fd);
 #endif
 
-    environ = envp;
+    if (envp) {
+      environ = envp;
+    }
     /* Exec the program. */
     if (search)
       execvp(program, argv);