From: Kevin Buettner <kevinb@redhat.com>
Date: Sun, 8 Apr 2001 18:26:03 +0000 (+0000)
Subject: Add comments noting that vfork might be defined to be fork.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7700434b5c52c609453111e16e49a2708d699041;p=binutils-gdb.git

Add comments noting that vfork might be defined to be fork.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8085d06caba..deec137f2ac 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+2001-04-08  Kevin Buettner  <kevinb@redhat.com>
+
+	* fork-child.c (fork_inferior, clone_and_follow_inferior): 
+	Document fact that apparent call to vfork() might actually be
+	a call to fork() instead.
+	* ser-pipe.c (pipe_open): Likewise.
+
 2001-04-08  Kevin Buettner  <kevinb@redhat.com>
 
 	* printcmd.c (print_frame_args): Use a cleanup to invoke
diff --git a/gdb/fork-child.c b/gdb/fork-child.c
index a952d4f98d5..1c19b833870 100644
--- a/gdb/fork-child.c
+++ b/gdb/fork-child.c
@@ -253,6 +253,9 @@ fork_inferior (char *exec_file_arg, char *allargs, char **env,
   if (pre_trace_fun != NULL)
     (*pre_trace_fun) ();
 
+  /* Create the child process.  Note that the apparent call to vfork()
+     below *might* actually be a call to fork() due to the fact that
+     autoconf will ``#define vfork fork'' on certain platforms.  */
   if (debug_fork)
     pid = fork ();
   else
@@ -420,7 +423,9 @@ clone_and_follow_inferior (int child_pid, int *followed_child)
   if (status < 0)
     error ("error getting pipe for handoff semaphore");
 
-  /* Clone the debugger. */
+  /* Clone the debugger.  Note that the apparent call to vfork()
+     below *might* actually be a call to fork() due to the fact that
+     autoconf will ``#define vfork fork'' on certain platforms.  */
   if (debug_fork)
     debugger_pid = fork ();
   else
diff --git a/gdb/ser-pipe.c b/gdb/ser-pipe.c
index 652d7743afa..3e232872301 100644
--- a/gdb/ser-pipe.c
+++ b/gdb/ser-pipe.c
@@ -65,6 +65,10 @@ pipe_open (serial_t scb, const char *name)
   if (socketpair (AF_UNIX, SOCK_STREAM, 0, pdes) < 0)
     return -1;
 
+  /* Create the child process to run the command in.  Note that the
+     apparent call to vfork() below *might* actually be a call to
+     fork() due to the fact that autoconf will ``#define vfork fork''
+     on certain platforms.  */
   pid = vfork ();
   
   /* Error. */