(Fdelete_process): Properly handle deletion of first element of

deleted_pid_list.
(create_process): Declare pid as pid_t.
(sigchld_handler): Avoid busyloop.

diff --git a/src/process.c b/src/process.c
index f6990c2ff194a29b0137ca483e52ea8206f3e0f4..0c9a9527c39097f76b6bb6206076c7c368ec5f92 100644 (file)
--- a/src/process.c
+++ b/src/process.c
@@ -817,7 +817,7 @@ nil, indicating the current buffer's process.  */)
       Lisp_Object symbol;
       /* Assignment to EMACS_INT stops GCC whining about limited range
         of data type.  */
-      EMACS_INT pid = p->pid;;
+      EMACS_INT pid = p->pid;
 
       /* No problem storing the pid here, as it is still in Vprocess_alist.  */
       deleted_pid_list = Fcons (make_fixnum_or_float (pid),
@@ -830,7 +830,8 @@ nil, indicating the current buffer's process.  */)
       if (CONSP (p->status))
        symbol = XCAR (p->status);
       if (EQ (symbol, Qsignal) || EQ (symbol, Qexit))
-       Fdelete (make_fixnum_or_float (pid), deleted_pid_list);
+       deleted_pid_list
+         = Fdelete (make_fixnum_or_float (pid), deleted_pid_list);
       else
 #endif
        {
@@ -1818,7 +1819,8 @@ create_process (process, new_argv, current_dir)
      char **new_argv;
      Lisp_Object current_dir;
 {
-  int pid, inchannel, outchannel;
+  int inchannel, outchannel;
+  pid_t pid;
   int sv[2];
 #ifdef POSIX_SIGNALS
   sigset_t procmask;
@@ -6495,16 +6497,17 @@ sigchld_handler (signo)
 #define WUNTRACED 0
 #endif /* no WUNTRACED */
       /* Keep trying to get a status until we get a definitive result.  */
-      while (1) {
-        errno = 0;
-        pid = wait3 (&w, WNOHANG | WUNTRACED, 0);
-       if (! (pid < 0 && errno == EINTR))
-          break;
-        /* avoid a busyloop: wait3 is a system call, so we do not want
-           to prevent the kernel from actually sending SIGCHLD to emacs
-           by asking for it all the time */
-        sleep (1);
-      }
+      while (1)
+       {
+         errno = 0;
+         pid = wait3 (&w, WNOHANG | WUNTRACED, 0);
+         if (! (pid < 0 && errno == EINTR))
+           break;
+         /* Avoid a busyloop: wait3 is a system call, so we do not want
+            to prevent the kernel from actually sending SIGCHLD to emacs
+            by asking for it all the time.  */
+         sleep (1);
+       }
 
       if (pid <= 0)
        {