PR gdb/7912:

	* Makefile.in (SFILES): Add filestuff.c
	(COMMON_OBS): Add filestuff.o.
	(filestuff.o): New target.
	* auto-load.c (auto_load_objfile_script_1): Use
	gdb_fopen_cloexec.
	* auxv.c (procfs_xfer_auxv): Use gdb_open_cloexec.
	* cli/cli-cmds.c (shell_escape): Call close_most_fds.
	* cli/cli-dump.c (fopen_with_cleanup): Use gdb_fopen_cloexec.
	* common/agent.c (gdb_connect_sync_socket): Use
	gdb_socket_cloexec.
	* common/filestuff.c: New file.
	* common/filestuff.h: New file.
	* common/linux-osdata.c (linux_common_core_of_thread)
	(command_from_pid, commandline_from_pid, print_source_lines)
	(linux_xfer_osdata_shm, linux_xfer_osdata_sem)
	(linux_xfer_osdata_msg, linux_xfer_osdata_modules): Use
	gdb_fopen_cloexec.
	* common/linux-procfs.c (linux_proc_get_int)
	(linux_proc_pid_has_state): Use gdb_fopen_cloexec.
	* config.in, configure: Rebuild.
	* configure.ac: Don't check for sys/socket.h.  Check for
	fdwalk, pipe2.
	* corelow.c (core_open): Use gdb_open_cloexec.
	* dwarf2read.c (write_psymtabs_to_index): Use gdb_fopen_cloexec.
	* fork-child.c (fork_inferior): Call close_most_fds.
	* gdb_bfd.c (gdb_bfd_open): Use gdb_open_cloexec.
	* inf-child.c (inf_child_fileio_readlink): Use gdb_open_cloexec.
	* linux-nat.c (linux_nat_thread_name, linux_proc_pending_signals):
	Use gdb_fopen_cloexec.
	(linux_proc_xfer_partial, linux_proc_xfer_spu): Use
	gdb_open_cloexec.
	(linux_async_pipe): Use gdb_pipe_cloexec.
	* remote-fileio.c (remote_fileio_func_open): Use
	gdb_open_cloexec.
	* remote.c (remote_file_put, remote_file_get): Use
	gdb_fopen_cloexec.
	* ser-pipe.c (pipe_open): Use gdb_socketpair_cloexec,
	close_most_fds.
	* ser-tcp.c (net_open): Use gdb_socket_cloexec.
	* ser-unix.c (hardwire_open): Use gdb_open_cloexec.
	* solib.c (solib_find): Use gdb_open_cloexec.
	* source.c (openp, find_and_open_source): Use gdb_open_cloexec.
	* tracepoint.c (tfile_start): Use gdb_fopen_cloexec.
	(tfile_open): Use gdb_open_cloexec.
	* tui/tui-io.c (tui_initialize_io): Use gdb_pipe_cloexec.
	* ui-file.c (gdb_fopen): Use gdb_fopen_cloexec.
	* xml-support.c (xml_fetch_content_from_file): Use
	gdb_fopen_cloexec.
	* main.c (captured_main): Call notice_open_fds.
gdbserver
	* Makefile.in (SFILES): Add filestuff.c.
	(OBS): Add filestuff.o.
	(filestuff.o): New target.
	* config.in, configure: Rebuild.
	* configure.ac: Check for fdwalk, pipe2.

1 files changed, 6 insertions, 11 deletions

diff --git a/gdb/ser-pipe.c b/gdb/ser-pipe.c
index 9a98923..1b30f78 100644
--- a/gdb/ser-pipe.c
+++ b/gdb/ser-pipe.c
@@ -30,6 +30,7 @@
 #include <sys/time.h>
 #include <fcntl.h>
 #include "gdb_string.h"
+#include "filestuff.h"
 
 #include <signal.h>
 
@@ -63,9 +64,9 @@ pipe_open (struct serial *scb, const char *name)
   int err_pdes[2];
   int pid;
 
-  if (socketpair (AF_UNIX, SOCK_STREAM, 0, pdes) < 0)
+  if (gdb_socketpair_cloexec (AF_UNIX, SOCK_STREAM, 0, pdes) < 0)
     return -1;
-  if (socketpair (AF_UNIX, SOCK_STREAM, 0, err_pdes) < 0)
+  if (gdb_socketpair_cloexec (AF_UNIX, SOCK_STREAM, 0, err_pdes) < 0)
     {
       close (pdes[0]);
       close (pdes[1]);
@@ -122,14 +123,8 @@ pipe_open (struct serial *scb, const char *name)
 	  dup2 (err_pdes[1], STDERR_FILENO);
 	  close (err_pdes[1]);
 	}
-#if 0
-      /* close any stray FD's - FIXME - how?  */
-      /* POSIX.2 B.3.2.2 "popen() shall ensure that any streams
-         from previous popen() calls that remain open in the 
-         parent process are closed in the new child process.  */
-      for (old = pidlist; old; old = old->next)
-	close (fileno (old->fp));	/* Don't allow a flush.  */
-#endif
+
+      close_most_fds ();
       execl ("/bin/sh", "sh", "-c", name, (char *) 0);
       _exit (127);
     }
@@ -201,7 +196,7 @@ gdb_pipe (int pdes[2])
   return -1;
 #else
 
-  if (socketpair (AF_UNIX, SOCK_STREAM, 0, pdes) < 0)
+  if (gdb_socketpair_cloexec (AF_UNIX, SOCK_STREAM, 0, pdes) < 0)
     return -1;
 
   /* If we don't do this, GDB simply exits when the remote side