diff options
| -rw-r--r-- | llvm/lib/Support/Unix/Signals.inc | 4 | ||||
| -rw-r--r-- | llvm/test/Support/unix03-sigpipe-exit.test | 26 |
2 files changed, 0 insertions, 30 deletions
diff --git a/llvm/lib/Support/Unix/Signals.inc b/llvm/lib/Support/Unix/Signals.inc index 3c34da8f..b07d319 100644 --- a/llvm/lib/Support/Unix/Signals.inc +++ b/llvm/lib/Support/Unix/Signals.inc @@ -432,10 +432,6 @@ void llvm::sys::SetOneShotPipeSignalFunction(void (*Handler)()) { } void llvm::sys::DefaultOneShotPipeSignalHandler() { - // UNIX03 conformance requires a non-zero exit code and an error message - // to stderr when writing to a closed stdout fails. - errs() << "error: write on a pipe with no reader\n"; - // Send a special return code that drivers can check for, from sysexits.h. exit(EX_IOERR); } diff --git a/llvm/test/Support/unix03-sigpipe-exit.test b/llvm/test/Support/unix03-sigpipe-exit.test deleted file mode 100644 index 0168084..0000000 --- a/llvm/test/Support/unix03-sigpipe-exit.test +++ /dev/null @@ -1,26 +0,0 @@ -## Test that when writing to a closed stdout, LLVM tools finish with a non-zero -## exit code and an error message on stderr. The test uses llvm-cxxfilt, but -## it's a logic from the default SIGPIPE handler, so it applies to all the tools. -## This is required for UNIX03 conformance. - -# UNSUPPORTED: system-windows - -# RUN: not %python %s llvm-cxxfilt 2>&1 | FileCheck %s -# CHECK: error: write on a pipe with no reader - -import subprocess -import sys - -with subprocess.Popen([sys.argv[1]], stdout=subprocess.PIPE, stdin=subprocess.PIPE) as process: - process.stdout.close() - - # llvm-cxxfilt with no extra arguments runs interactively and writes input - # to output. Writing continuously to stdin should trigger SIGPIPE when the - # subprocess attempts to write out bytes to a closed stdout. - try: - while True: - process.stdin.write("foo\n".encode("utf-8")) - except BrokenPipeError: - # Clear stdin, pipe is broken and closing it on cleanup will raise an exception. - process.stdin = None -sys.exit(process.returncode) |