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| author | Andreas Schwab <schwab@linux-m68k.org> | 2010-07-01 01:07:11 +0200 |
|---|---|---|
| committer | Andreas Schwab <schwab@linux-m68k.org> | 2010-07-01 01:07:11 +0200 |
| commit | dd63dd044980ffb9f4e0c09f0fe44649df639876 (patch) | |
| tree | 3dd3f65c39100f85187a5edd4d3e5ec0072223c4 /src/callproc.c | |
| parent | 0357e7c019c7a4cfa0b868bf749b1a948d7be388 (diff) | |
| download | emacs-dd63dd044980ffb9f4e0c09f0fe44649df639876.tar.gz | |
Avoid erroneous syscalls
* process.c (create_process): Avoid using invalid file descriptors.
* callproc.c (child_setup): Avoid closing a file descriptor twice.
Diffstat (limited to 'src/callproc.c')
| -rw-r--r-- | src/callproc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/callproc.c b/src/callproc.c index 82a5ebb90da..cd06ad5c2e8 100644 --- a/src/callproc.c +++ b/src/callproc.c @@ -1244,8 +1244,10 @@ child_setup (in, out, err, new_argv, set_pgrp, current_dir) dup2 (out, 1); dup2 (err, 2); emacs_close (in); - emacs_close (out); - emacs_close (err); + if (out != in) + emacs_close (out); + if (err != in && err != out) + emacs_close (err); #endif /* not MSDOS */ #endif /* not WINDOWSNT */ |