bb3f944d66
On RHEL6 hosts, fcntl.h doesn't define F_SETPIPE_SZ or F_GETPIPE_SZ. Upstream glib has a patch for this case that wasn't applied to their 2.56.1 branch. Fixes: http://autobuild.buildroot.net/results/04b98a0b5c593c0525ef39d03c1ee7c2bbf5e44d/ Signed-off-by: Hollis Blanchard <hollis_blanchard@mentor.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
53 lines
1.8 KiB
Diff
53 lines
1.8 KiB
Diff
From 0beb62f564072f3585762c9c55fe894485993b62 Mon Sep 17 00:00:00 2001
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From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Date: Tue, 10 Apr 2018 18:55:11 +0200
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Subject: [PATCH] gio: fix compilation without F_{S,G}ETPIPE_SZ
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Commit a5778ef7c51044147fe470ea1707dd297f44f880 broke compilation on
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architectures without F_SETPIPE_SZ and F_GETPIPE_SZ such as or1k.
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If those variables are undefined, put back previous behavior, buffer
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size set to 1024 * 64
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Fixes:
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- http://autobuild.buildroot.net/results/398490e07343a931b25ca6ab5c90a75d7a073e9f
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(Modified by Philip Withnall <withnall@endlessm.com> to add an
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explanatory comment.)
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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https://bugzilla.gnome.org/show_bug.cgi?id=795133
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---
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gio/gfile.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/gio/gfile.c b/gio/gfile.c
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index 334ad8ec3..a67aad383 100644
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--- a/gio/gfile.c
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+++ b/gio/gfile.c
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@@ -3012,6 +3012,7 @@ splice_stream_with_progress (GInputStream *in,
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if (!g_unix_open_pipe (buffer, FD_CLOEXEC, error))
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return FALSE;
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+#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
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/* Try a 1MiB buffer for improved throughput. If that fails, use the default
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* pipe size. See: https://bugzilla.gnome.org/791457 */
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buffer_size = fcntl (buffer[1], F_SETPIPE_SZ, 1024 * 1024);
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@@ -3029,6 +3030,13 @@ splice_stream_with_progress (GInputStream *in,
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goto out;
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}
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}
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+#else
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+ /* If #F_GETPIPE_SZ isn’t available, assume we’re on Linux < 2.6.35,
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+ * but ≥ 2.6.11, meaning the pipe capacity is 64KiB. Ignore the possibility of
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+ * running on Linux < 2.6.11 (where the capacity was the system page size,
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+ * typically 4KiB) because it’s ancient. See pipe(7). */
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+ buffer_size = 1024 * 64;
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+#endif
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g_assert (buffer_size > 0);
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--
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2.13.0
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