diff options
author | Richard M. Stallman <rms@gnu.org> | 1998-08-15 05:53:00 +0000 |
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committer | Richard M. Stallman <rms@gnu.org> | 1998-08-15 05:53:00 +0000 |
commit | 5651af6d63e449c3e463dcb4c00766c2cf230c30 (patch) | |
tree | ffa1b487e76fb17bd674008ed858f3eced2889d6 | |
parent | 09ba2aa0b62f8e4693a99d33404e147493c231f9 (diff) | |
download | emacs-5651af6d63e449c3e463dcb4c00766c2cf230c30.tar.gz |
(wait_reading_process_input): If a pty gives EIO,
raise SIGCHLD just in case.
-rw-r--r-- | src/process.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/process.c b/src/process.c index 2ca75250706..0e5ae9e3fe2 100644 --- a/src/process.c +++ b/src/process.c @@ -2676,9 +2676,13 @@ wait_reading_process_input (time_limit, microsecs, read_kbd, do_display) Therefore, if we get an error reading and errno = EIO, just continue, because the child process has exited and should clean itself up soon (e.g. when we - get a SIGCHLD). */ + get a SIGCHLD). + + However, it has been known to happen that the SIGCHLD + got lost. So raise the signl again just in case. + It can't hurt. */ else if (nread == -1 && errno == EIO) - ; + kill (getpid (), SIGCHLD); #endif /* HAVE_PTYS */ /* If we can detect process termination, don't consider the process gone just because its pipe is closed. */ |