5a17d40420
- Backport: manual: add dup3 - Backport: manual: add syscalls - Adapt man pages version downstream Resolves: RHEL-107861
28 lines
949 B
Diff
28 lines
949 B
Diff
commit a07e000e82cb71238259e674529c37c12dc7d423
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Author: DJ Delorie <dj@redhat.com>
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Date: Fri May 10 17:34:29 2024 -0400
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manual: add dup3
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Reviewed-by: Florian Weimer <fweimer@redhat.com>
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diff --git a/manual/llio.texi b/manual/llio.texi
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index a65230d612eba7bf..513ba9e8859b8e6e 100644
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--- a/manual/llio.texi
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+++ b/manual/llio.texi
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@@ -3443,6 +3443,14 @@ middle of calling @code{dup2} at which @var{new} is closed and not yet a
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duplicate of @var{old}.
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@end deftypefun
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+@deftypefun int dup3 (int @var{old}, int @var{new}, int @var{flags})
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+@standards{Linux, unistd.h}
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+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
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+This function is the same as @code{dup2} but creates the new
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+descriptor as if it had been opened with flags @var{flags}. The only
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+allowed flag is @code{O_CLOEXEC}.
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+@end deftypefun
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+
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@deftypevr Macro int F_DUPFD
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@standards{POSIX.1, fcntl.h}
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This macro is used as the @var{command} argument to @code{fcntl}, to
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