Cygwin: pipe: Avoid false EOF while reading output of C# programs.

- If output of C# program is redirected to pipe, pipe reader falsely
  detects EOF. This happens after overhaul of pipe implementation.
  This patch fixes the issue.

Addresses:
  https://cygwin.com/pipermail/cygwin/2021-November/249777.html
This commit is contained in:
Takashi Yano 2021-11-07 12:47:18 +09:00 committed by Corinna Vinschen
parent 0390cc8572
commit 1f7aa67b1c
2 changed files with 6 additions and 1 deletions

View File

@ -393,7 +393,8 @@ fhandler_pipe::raw_read (void *ptr, size_t& len)
}
}
if (nbytes_now == 0 || status == STATUS_BUFFER_OVERFLOW)
if ((nbytes_now == 0 && !NT_SUCCESS (status))
|| status == STATUS_BUFFER_OVERFLOW)
break;
}
ReleaseMutex (read_mtx);

View File

@ -8,3 +8,7 @@ Bug Fixes
Addresses: https://sourceware.org/pipermail/newlib/2021/018626.html
- Fix a permission problem when writing ACLs on Samba.
- Fix the issue that pipe reader falsely detects EOF if the output of
the C# program is redirected to the pipe.
Addresses: https://cygwin.com/pipermail/cygwin/2021-November/249777.html