Subversion Repositories planix.SVN

#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;
}