Remove cat_ignore_eagain (#9531)

Summary:
... since it was only necessary to work around a bug on certain Ubuntu
16.04 images (and we now use 20.04 across the board).

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9531

Test Plan: Watch CI.

Reviewed By: ajkr

Differential Revision: D34089424

Pulled By: ltamasi

fbshipit-source-id: f15f86332c119099f61b9bdc74604657fc5d964e
main
Levi Tamasi 3 years ago committed by Facebook GitHub Bot
parent 68a9c186d0
commit 2ee25e8846
  1. 54
      .circleci/cat_ignore_eagain
  2. 4
      .circleci/config.yml

@ -1,54 +0,0 @@
#! /bin/bash
# Work around issue with parallel make output causing random error, as in
# make[1]: write error: stdout
# Probably due to a kernel bug:
# https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1814393
# Seems to affect image ubuntu-1604:201903-01 and ubuntu-1604:202004-01
cd "$(dirname $0)"
if [ ! -x cat_ignore_eagain.out ]; then
cc -x c -o cat_ignore_eagain.out - << EOF
#include <unistd.h>
#include <errno.h>
#include <stdio.h>
int main() {
int n, m, p;
char buf[1024];
for (;;) {
n = read(STDIN_FILENO, buf, 1024);
if (n > 0 && n <= 1024) {
for (m = 0; m < n;) {
p = write(STDOUT_FILENO, buf + m, n - m);
if (p < 0) {
if (errno == EAGAIN) {
// ignore but pause a bit
usleep(100);
} else {
perror("write failed");
return 42;
}
} else {
m += p;
}
}
} else if (n < 0) {
if (errno == EAGAIN) {
// ignore but pause a bit
usleep(100);
} else {
// Some non-ignorable error
perror("read failed");
return 43;
}
} else {
// EOF
return 0;
}
}
}
EOF
fi
exec ./cat_ignore_eagain.out

@ -361,7 +361,7 @@ jobs:
steps: steps:
- pre-steps - pre-steps
- run: sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test && sudo apt-get update -y && sudo apt-get install gcc-7 g++-7 libgflags-dev - run: sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test && sudo apt-get update -y && sudo apt-get install gcc-7 g++-7 libgflags-dev
- run: CC=gcc-7 CXX=g++-7 V=1 make -j32 check 2>&1 | .circleci/cat_ignore_eagain - run: CC=gcc-7 CXX=g++-7 V=1 make -j32 check
- post-steps - post-steps
build-linux-gcc-8-no_test_run: build-linux-gcc-8-no_test_run:
@ -371,7 +371,7 @@ jobs:
steps: steps:
- pre-steps - pre-steps
- run: sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test && sudo apt-get update -y && sudo apt-get install gcc-8 g++-8 libgflags-dev - run: sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test && sudo apt-get update -y && sudo apt-get install gcc-8 g++-8 libgflags-dev
- run: CC=gcc-8 CXX=g++-8 V=1 make -j8 all 2>&1 | .circleci/cat_ignore_eagain - run: CC=gcc-8 CXX=g++-8 V=1 make -j8 all
- post-steps - post-steps
build-linux-gcc-10-cxx20-no_test_run: build-linux-gcc-10-cxx20-no_test_run:

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