while :
do
    date
    sleep 1
done

  ./supervise -p "status/test" -f "./test.sh 1>>__stdout 2>&1"

COMMAND   PID USER   FD   TYPE DEVICE SIZE/OFF     NODE NAME
...
test.sh 22878 work    0u   CHR    1,3      0t0     1028 /dev/null
test.sh 22878 work    1u   CHR    1,3      0t0     1028 /dev/null
test.sh 22878 work    2u   CHR    1,3      0t0     1028 /dev/null

diff --git a/supervise/supervise.c b/supervise/supervise.c
--- a/supervise/supervise.c
+++ b/supervise/supervise.c
@@ -463,6 +463,8 @@ static void trystart()
                case 0:
                        sig_uncatch(sig_child);
                        sig_unblock(sig_child);
+                       freopen("_stdout.log", "a+", stdout);
+                       freopen("_stderr.log", "a+", stderr);
                        execvp(cmd[0], cmdp);
                        write_log(fdlogwf, FATAL, "unable to start ", cmd[0], "\n");
                        _exit(1);

-d 　此参数的效果和同时指定"-tu2"参数相同

static void pidchange()
{
	struct taia now;
	unsigned long u;

	taia_now(&now);
	taia_pack(status, &now);

	u = (unsigned long) pid;
	status[16] = u; u >>= 8;
	status[17] = u; u >>= 8;
	status[18] = u; u >>= 8;
	status[19] = u;
}

旧:
pid=$(od -d status | head -n 2 | tail -n 1 | awk '{print $2}')

需要改为:
od -An -j16 -N4 -tu4 status

make --directory=supervise
make[1]: Entering directory '/home/meetbill/supervise/supervise'
sh find-systype.sh > systype
rm -f compile
sh print-cc.sh > compile
chmod 555 compile
./compile byte_chr.c
./compile byte_copy.c
./compile byte_cr.c
./compile byte_diff.c
./compile byte_rchr.c
./compile fmt_uint.c
./compile fmt_uint0.c
./compile fmt_ulong.c
rm -f makelib
sh print-ar.sh > makelib
chmod 555 makelib
./compile scan_ulong.c
./compile str_chr.c
./compile str_diff.c
./compile str_len.c
./compile str_start.c
./makelib byte.a byte_chr.o byte_copy.o byte_cr.o byte_diff.o \
byte_rchr.o fmt_uint.o fmt_uint0.o fmt_ulong.o scan_ulong.o str_chr.o \
str_diff.o str_len.o str_start.o
make[1]: *** No rule to make target 'home', needed by 'choose'.  Stop.
make[1]: Leaving directory '/home/meetbill/supervise/supervise'
make: *** [Makefile:6: supervise] Error 2