diff options
Diffstat (limited to 'tclcompat.tcl')
| -rw-r--r-- | tclcompat.tcl | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/tclcompat.tcl b/tclcompat.tcl index e2ae56e..b3452d8 100644 --- a/tclcompat.tcl +++ b/tclcompat.tcl @@ -120,7 +120,7 @@ proc {file copy} {{force {}} source target} { # 'open "|..." ?mode?" will invoke this wrapper around exec/pipe # Note that we return a lambda which also provides the 'pid' command proc popen {cmd {mode r}} { - lassign [socket pipe] r w + lassign [pipe] r w try { if {[string match "w*" $mode]} { lappend cmd <@$r & @@ -137,11 +137,26 @@ proc popen {cmd {mode r}} { if {$cmd eq "pid"} { return $pids } + if {$cmd eq "getfd"} { + $f getfd + } if {$cmd eq "close"} { $f close # And wait for the child processes to complete - foreach p $pids { os.wait $p } - return + set retopts {} + foreach p $pids { + lassign [wait $p] status - rc + if {$status eq "CHILDSTATUS"} { + if {$rc == 0} { + continue + } + set msg "child process exited abnormally" + } else { + set msg "child killed: received signal" + } + set retopts [list -code error -errorcode [list $status $p $rc] $msg] + } + return {*}$retopts } tailcall $f $cmd {*}$args } |