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#include <u.h>
#include <libc.h>
#include <bio.h>
#include "snap.h"
void
usage(void)
{
fprint(2, "usage: %s [-o snapfile] pid...\n", argv0);
exits("usage");
}
void
main(int argc, char **argv)
{
char *user, *sys, *arch, *term, *ofile;
int i;
long pid, me;
Biobuf *b;
Dir *d;
Proc *p;
ofile = "/fd/1";
ARGBEGIN{
case 'o':
ofile = ARGF();
break;
default:
usage();
}ARGEND;
if(argc < 1)
usage();
/* get kernel compilation time */
if((d = dirstat("#/")) == nil) {
fprint(2, "cannot stat #/ ???\n");
exits("stat");
}
if((b = Bopen(ofile, OWRITE)) == nil) {
fprint(2, "cannot write to \"%s\"\n", ofile);
exits("Bopen");
}
if((user = getuser()) == nil)
user = "gre";
if((sys = sysname()) == nil)
sys = "gnot";
if((arch = getenv("cputype")) == nil)
arch = "unknown";
if((term = getenv("terminal")) == nil)
term = "unknown terminal type";
Bprint(b, "process snapshot %ld %s@%s %s %ld \"%s\"\n",
time(0), user, sys, arch, d->mtime, term);
me = getpid();
for(i=0; i<argc; i++) {
if((pid = atol(argv[i])) == me)
fprint(2, "warning: will not snapshot self\n");
else if(p = snap(pid, 1))
writesnap(b, p);
}
exits(0);
}
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