21 lines
457 B
Awk
21 lines
457 B
Awk
|
BEGIN {
|
||
|
|
extension("./fork.so", "dlload")
|
||
|
|
|
||
|
|
printf "before fork, pid = %d, ppid = %d\n", PROCINFO["pid"],
|
||
|
|
PROCINFO["ppid"]
|
||
|
|
|
||
|
|
fflush()
|
||
|
|
ret = fork()
|
||
|
|
if (ret < 0)
|
||
|
|
printf("ret = %d, ERRNO = %s\n", ret, ERRNO)
|
||
|
|
else if (ret == 0)
|
||
|
|
printf "child, pid = %d, ppid = %d\n", PROCINFO["pid"],
|
||
|
|
PROCINFO["ppid"]
|
||
|
|
else {
|
||
|
|
system("sleep 3")
|
||
|
|
printf "parent, ret = %d\n", ret
|
||
|
|
printf "parent, pid = %d, ppid = %d\n", PROCINFO["pid"],
|
||
|
|
PROCINFO["ppid"]
|
||
|
|
}
|
||
|
|
}
|