"Joachim Schmitz" <[email protected]> writes:
> 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)
See Documentation/CodingGuidelines for style nits.
> {
> 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)?
If it helps your port, compat/itimer.c sounds like a good place.
Doesn't it need a new header file to introduce structures and
constants, too?
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