blob: 26411649d1e6be886f5683e11dc0c81db6168a9d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
source common.sh
# First, test that -jN performs builds in parallel.
echo "testing nix-build -j..."
clearStore
rm -f $SHARED.cur $SHARED.max
outPath=$($nixbuild -j10000 parallel.nix)
echo "output path is $outPath"
text=$(cat "$outPath")
if test "$text" != "abacade"; then exit 1; fi
if test "$(cat $SHARED.cur)" != 0; then fail "wrong current process count"; fi
if test "$(cat $SHARED.max)" != 3; then fail "not enough parallelism"; fi
# Second, test that parallel invocations of nix-build perform builds
# in parallel, and don't block waiting on locks held by the others.
echo "testing multiple nix-build -j1..."
clearStore
rm -f $SHARED.cur $SHARED.max
$nixbuild -j1 parallel.nix &
pid1=$!
echo "pid 1 is $pid1"
$nixbuild -j1 parallel.nix &
pid2=$!
echo "pid 2 is $pid2"
$nixbuild -j1 parallel.nix &
pid3=$!
echo "pid 3 is $pid3"
wait $pid1
wait $pid2
wait $pid3
if test "$(cat $SHARED.cur)" != 0; then fail "wrong current process count"; fi
if test "$(cat $SHARED.max)" != 3; then fail "not enough parallelism"; fi
|
