diff options
Diffstat (limited to 'doc/m4.texinfo')
| -rw-r--r-- | doc/m4.texinfo | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/doc/m4.texinfo b/doc/m4.texinfo index 2a31238b..71c84218 100644 --- a/doc/m4.texinfo +++ b/doc/m4.texinfo @@ -8210,10 +8210,10 @@ esyscmd(`false') @result{} ifelse(sysval, `0', `zero', `non-zero') @result{}non-zero -esyscmd(`exit 2') +esyscmd(`echo dnl && exit 127') @result{} sysval -@result{}2 +@result{}127 esyscmd(`true') @result{} sysval @@ -8224,7 +8224,7 @@ sysval command, for example, if the system-imposed argument length is exceeded, or if there were not enough resources to fork. It is not possible to distinguish between failed execution and successful execution that had -an exit status of 127. +an exit status of 127, unless there was output from the child process. On UNIX platforms, where it is possible to detect when command execution is terminated by a signal, rather than a normal exit, the result is the |