topic pstat_getcommandline() link error ?? in Operating System - HP-UX

pstat_getcommandline() link error ??

Ma_Ta — Fri, 29 Mar 2013 07:44:09 GMT

Hello.
I'm a begginer on HP-UX's C programmings
and environment.

I wrote a program(bsntest.c) as below:

include <STDIO.H>
#include
#include <UNISTD.H>

main(){
char buf[1024+1];
int pid;
pid = (int) getpid();
puts("use pstat_commandline()");
pstat_getcommandline(buf,1024,1,pid);

printf("command line : %s", buf);
}

when I did "cc bsntest.c",
then the error messages displayed as bellow:

$ cc bsntest.c
/usr/ccs/bin/ld: Unsatisfied symbols:
pstat_getcommandline (first referenced in bsntest.o) (code)

I guess that something is wrong to link,
but I can't understand the details of ld at now.(ofcource, I read ld's man page..)

Please tell me how to solve this problem.

regards,
Takanobu Maekawa

Moved from HP-UX Technical Documentation to HP-UX > languages

Re: pstat_getcommandline() link error ??

Ermin Borovac — Wed, 15 Dec 2004 21:25:09 GMT

pstat_getcommandline() is not available as a documented and supported function until 11i v2. Assuming that you are on 11i v1 you can use the following code to get up to 1024 characters of the command line of a process.

#include
#include
#define MAX_LENGTH (1024)
main (argc, argv) int argc; char *argv[]; {
int pid;
char long_command [MAX_LENGTH];
union pstun pu;

pid = atoi(argv[1]);
pu.pst_command = long_command;
if (pstat(PSTAT_GETCOMMANDLINE, pu, MAX_LENGTH, 1, pid) == -1) {
printf("ERROR: pstat() failure using pid(%d)\n", pid);
exit(-1);
}
printf("pid %d = %s\n", pid, pu.pst_command);
}

Re: pstat_getcommandline() link error ??

Ma_Ta — Wed, 15 Dec 2004 22:26:40 GMT

Thanks very much!
the probrem has removed!

regards,
Takanobu Maekawa