Subversion Repositories planix.SVN

#include "lib.h"
#include <signal.h>
#include <errno.h>

sigset_t _psigblocked;

int
sigprocmask(int how, sigset_t *set, sigset_t *oset)
{
        if(oset)
                *oset = _psigblocked;
        if(how==SIG_BLOCK)
                _psigblocked |= *set;
        else if(how==SIG_UNBLOCK)
                _psigblocked &= ~*set;
        else if(how==SIG_SETMASK)
                _psigblocked = *set;
        else{
                errno = EINVAL;
                return -1;
        }
        return 0;
}