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check for a fine poll() before it is used to sleep subsecond

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This commit is contained in:
Daniel Stenberg 2004-06-27 21:51:54 +00:00
parent 6f252f4704
commit a7b99fc463
4 changed files with 45 additions and 2 deletions
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3
src/config.h.in
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@ -35,6 +35,9 @@
/* Define if you have the `poll' function. */
#undef HAVE_POLL
/* Define if you have a good `poll' function that can wait on NULL. */
#undef HAVE_POLL_FINE
/* Define if you can write to argc[] strings */
#undef HAVE_WRITABLE_ARGV

4
src/main.c
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@ -2243,7 +2243,7 @@ static void parseconfig(const char *filename,
static void go_sleep(long ms)
{
#ifdef HAVE_POLL
#ifdef HAVE_POLL_FINE
/* portable subsecond "sleep" */
poll((void *)0, 0, ms);
#else
@ -2259,7 +2259,7 @@ static void go_sleep(long ms)
struct timeval timeout;
timeout.tv_sec = ms/1000;
ms -= ms/1000;
ms = ms%1000;
timeout.tv_usec = ms * 1000;
select(0, NULL, NULL, NULL, &timeout);