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nohup: simplify by using fcntl

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* src/nohup.c: Do not include cloexec.h.
(main): Use fcntl rather than dup + set_cloexec_flag.
This commit is contained in:
Paul Eggert 2017-08-17 09:30:37 -07:00
parent 1a210762d5
commit 74fcbe5225
1 changed files with 2 additions and 7 deletions
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9
src/nohup.c
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@ -24,7 +24,6 @@
#include "system.h"
#include "cloexec.h"
#include "error.h"
#include "filenamecat.h"
#include "fd-reopen.h"
@ -182,12 +181,8 @@ main (int argc, char **argv)
if execve fails. It's no big deal if this dup fails. It might
not change anything, and at worst, it'll lead to suppression of
the post-failed-execve diagnostic. */
saved_stderr_fd = dup (STDERR_FILENO);
if (0 <= saved_stderr_fd
&& set_cloexec_flag (saved_stderr_fd, true) != 0)
error (exit_internal_failure, errno,
_("failed to set the copy of stderr to close on exec"));
saved_stderr_fd = fcntl (STDERR_FILENO, F_DUPFD_CLOEXEC,
STDERR_FILENO + 1);
if (!redirecting_stdout)
error (0, 0,