riscv-openocd-wch/jimtcl/examples/timedread.tcl

20 lines
315 B
Tcl

# Tests that SIGALRM can interrupt read
set f [open "/dev/urandom" r]
set count 0
set error NONE
signal handle SIGALRM
catch -signal {
alarm 0.5
while {1} {
incr count [string bytelength [read $f 100]]
}
alarm 0
signal default SIGALRM
} error
puts "Read $count bytes in 0.5 seconds: Got $error"
$f close