Re: Porting git to HP NonStop

> Hi folks
>
> There another API missing on HP NonStop and that is setitimer(), used in progress.c and build/log.c
> I do have a homebrewed implementation, on top of alarm(), it goes like this:
>
> #include "../git-compat-util.h"
> #undef getitimer
> #undef setitimer
>
>
> int
> git_getitimer(int which, struct itimerval *value)

> {
>         int ret = 0;
>
>         switch (which) {
>                 case ITIMER_REAL:
>                         value->it_value.tv_usec = 0;
>                         value->it_value.tv_sec = alarm(0);
>                         ret = 0; /* if alarm() fails we get a SIGLIMIT */
>                         break;
>                 case ITIMER_VIRTUAL: /* FALLTHRU */
>                 case ITIMER_PROF: errno = ENOTSUP; ret = -1; break;
>                 default: errno = EINVAL; ret = -1;
>         }
>         return ret;
> }
>
> int
> git_setitimer(int which, const struct itimerval *value,
>                         struct itimerval *ovalue)
> {
>         int ret = 0;
>
>         if (!value
>                 || value->it_value.tv_usec < 0
>                 || value->it_value.tv_usec > 1000000
>                 || value->it_value.tv_sec < 0) {
>                 errno = EINVAL;
>                 return -1;
>         }
>
>         else if (ovalue)
>                 if (!git_getitimer(which, ovalue))
>                         return -1; /* errno set in git_getitimer() */
>
>         else
>         switch (which) {
>                 case ITIMER_REAL:
>                         alarm(value->it_value.tv_sec +
>                                 (value->it_value.tv_usec > 0) ? 1 : 0);
>                         ret = 0; /* if alarm() fails we get a SIGLIMIT */
>                         break;
>                 case ITIMER_VIRTUAL: /* FALLTHRU */
>                 case ITIMER_PROF: errno = ENOTSUP; ret = -1; break;
>                 default: errno = EINVAL; ret = -1;
>         }
>
>         return ret;
> }
>
>
> Worth being added to compat/, e.g. as setitimer.c, or, as itimer.c
> (as a by-product, it has getitimer() too)?