void
process_proc_kevents(int *kq, struct kevent *ke, Service *svc)
{
if (ke->fflags & NOTE_FORK)
dbg("pid %lu called fork()\n", ke->ident);
if (ke->fflags & NOTE_CHILD)
{
dbg("we have a child: %lu\n", ke->ident);
attach_pid_to_kqueue(kq, ke, ke->ident);
PIDList_addpid(&svc->PL, ke->ident);
}
if (ke->fflags & NOTE_EXIT)
{
dbg("pid %lu exited\n", ke->ident);
detach_pid_from_kqueue(kq, ke, ke->ident);
PIDList_delpid(&svc->PL, ke->ident);
PIDList_delpid(&svc->AuxPL, ke->ident); /* one of these contains it */
reap();
if (ke->ident == svc->MainPID)
{
dbg("Main PID has exited.\n");
svc->MainPIDExited =1;
}
else if (ke->ident == svc->AuxMainPID)
{
dbg("Main AUX PID has exited.\n");
svc->AuxMainPIDExited =1;
}
}
if (ke->fflags & NOTE_TRACKERR)
printf("couldnt attach to child of %lu\n", ke->ident);
}
int
forkexecve(const char* cmd, int *kq, struct kevent *ke, Service* svc, int aux)
{
char* data =strdup(cmd);
char **argv =NULL;
char * p = strtok ((char*)data, " ");
int n_spaces = 0, i;
while (p)
{
argv = realloc (argv, sizeof (char*) * ++n_spaces);
if (argv == NULL)
exit (-1); /* memory allocation failed */
argv[n_spaces-1] = p;
p = strtok (NULL, " ");
}
/* realloc one extra element for the last NULL */
argv = realloc (argv, sizeof (char*) * (n_spaces+1));
argv[n_spaces] = 0;
/* print the result */
for (i = 0; i < (n_spaces+1); ++i)
dbg ("argv[%d] = %s\n", i, argv[i]);
int pid = fork();
if ( pid == 0 )
{
execvp(argv[0], argv);
}
else if (!(pid > 0))
{
dbg("fork failed\n");
pid =0;
goto clean;
}
if(!aux)
PIDList_addpid(&svc->PL, pid);
else
PIDList_addpid(&svc->AuxPL, pid);
/* watch for forks and exits */
attach_pid_to_kqueue(kq, ke, pid);
/* free it */
clean:
free (argv);
free (data);
return pid;
}
