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#include <u.h>
#include <libc.h>
int
postnote(int group, int pid, char *note)
{
char file[128];
int f, r;
switch(group) {
case PNPROC:
sprint(file, "/proc/%d/note", pid);
break;
case PNGROUP:
sprint(file, "/proc/%d/notepg", pid);
break;
default:
return -1;
}
f = open(file, OWRITE);
if(f < 0)
return -1;
r = strlen(note);
if(write(f, note, r) != r) {
close(f);
return -1;
}
close(f);
return 0;
}
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