diff options
Diffstat (limited to 'test/iolint.awk')
| -rw-r--r-- | test/iolint.awk | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/test/iolint.awk b/test/iolint.awk index 58fd746f..042f743b 100644 --- a/test/iolint.awk +++ b/test/iolint.awk @@ -55,15 +55,20 @@ BEGIN { print close("cat") fflush() - # 11/2021: Disable this test since it's a race condition - # and fails intermittently on some systems. + # 11/2021: Use a nice trick to avoid race conditions in + # child processes. Thanks to Miguel Pineiro Jr. <mpj@pineiro.cc>. # # `%.*s' used for input pipe and output pipe - # "echo hello" | getline junk - # print "hello" | "echo hello" - # print close("echo hello") - # print close("echo hello") - # fflush() + pipecmd = "eval $CMD_TO_RUN" + + ENVIRON["CMD_TO_RUN"] = "echo hello" + pipecmd | getline junk + ENVIRON["CMD_TO_RUN"] = "read junk" + print "hello" | pipecmd + + print close(pipecmd) + print close(pipecmd) + fflush() # `%.*s' used for output file and output pipe" BINMODE = 2 |