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Date: Mon, 15 Aug 2022 13:54:25 -0400
From: Rich Felker <dalias@...c.org>
To: Érico Nogueira <ericonr@...root.org>
Cc: musl@...ts.openwall.com
Subject: Re: [PATCH] remove extraneous syscall from fopen(3)
On Mon, Aug 15, 2022 at 02:50:21PM -0300, Érico Nogueira wrote:
> the __fdopen() call afterwards will set the close-on-exec flag with the
> same syscall if "e" was specified in mode
> ---
> src/stdio/fopen.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/src/stdio/fopen.c b/src/stdio/fopen.c
> index e1b91e12..22b72edf 100644
> --- a/src/stdio/fopen.c
> +++ b/src/stdio/fopen.c
> @@ -20,8 +20,6 @@ FILE *fopen(const char *restrict filename, const char *restrict mode)
>
> fd = sys_open(filename, flags, 0666);
> if (fd < 0) return 0;
> - if (flags & O_CLOEXEC)
> - __syscall(SYS_fcntl, fd, F_SETFD, FD_CLOEXEC);
>
> f = __fdopen(fd, mode);
> if (f) return f;
> --
> 2.37.2
See commit 7765706c0584ed4a30e0b7a3ada742e490ef02b0
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