From a9994a29634cc8d1ce330bdbb41fb1941c41f778 Mon Sep 17 00:00:00 2001 From: Brian Anderson Date: Fri, 7 Jan 2011 01:15:39 -0500 Subject: Correctly initialize circular_buffer to a power-of-two bytes --- src/test/run-pass/chan-poweroftwo.rs | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 src/test/run-pass/chan-poweroftwo.rs (limited to 'src/test') diff --git a/src/test/run-pass/chan-poweroftwo.rs b/src/test/run-pass/chan-poweroftwo.rs new file mode 100644 index 00000000..ce2751fa --- /dev/null +++ b/src/test/run-pass/chan-poweroftwo.rs @@ -0,0 +1,36 @@ +// -*- rust -*- + +// Regression test for circular_buffer initialization + +use std; + +import std.option; +import std._uint; +import std._vec; + +// 12-byte unit for the channel buffer. Assuming that the default +// buffer size needs to hold 8 units, then the minimum buffer size +// needs to be 96. That's not a power of two so needs to be rounded up. +type record = rec(i32 val1, i32 val2, i32 val3); + +impure fn worker(chan[record] channel) { + let record val = rec(val1=0i32, val2=0i32, val3=0i32); + channel <| val; +} + +impure fn main() { + let port[record] myport = port(); + auto mychan = chan(myport); + + auto temp = spawn worker(mychan); + auto val <- myport; +} + +// Local Variables: +// mode: rust; +// fill-column: 78; +// indent-tabs-mode: nil +// c-basic-offset: 4 +// buffer-file-coding-system: utf-8-unix +// compile-command: "make -k -C .. 2>&1 | sed -e 's/\\/x\\//x:\\//g'"; +// End: -- cgit v1.2.3