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#include <unistd.h>
#include <errno.h>
#include <alloca.h>
#include <fcntl.h>
#include "ninitfeatures.h"
#include "process_defs.h"
static int infd, outfd;
#include "open_inout.h"
#include "tryservice.h"
int main(int argc, char* argv[]) {
char *x, *initroot, **arg;
struct process pr[6];
unsigned long pidfile;
int count=0, pid, ret=1;
if (argc<4) die(1,
"usage: ninit-pidfile",
" service /var/run/daemon.pid [-H home] /sbin/daemon ...");
errmsg_iam("ninit-pidfile");
if (unlink(argv[2]) && errno != ENOENT)
die(1, "could not remove pid file: ", argv[2]);
arg = argv + 3;
x = arg[0];
if (argc > 5 && x[0] =='-' && x[1] =='H' && x[2] ==0) {
initroot = arg[1];
arg += 2;
} else
initroot = INITROOT;
while ((pid = fork()) < 0) nano_sleep(0, 500000000); /* 0.5 sec */
if (pid == 0) {
x = arg[0];
arg[0] = x + str_rchr(x,'/');
if (arg[0]) arg[0]++;
else arg[0]=x;
execve(x,arg,environ);
die(3, "execve failed on: ", x);
}
while (1) {
if (read_ulongs(argv[2], &pidfile, 1)) {
if (str_len(argv[1]) > 320) ret=1;
else {
ret = tryservice(initroot,argv[1],"P",fu(pidfile), pr);
ret = (ret != sizeof(pr[0]) || pr->pid != (pid_t)pidfile);
}
break;
}
if (++count>=30) break;
else
nano_sleep(1, 0);
}
if (ret) carp("could not set PID of service ", argv[1]);
return ret;
}
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