summaryrefslogtreecommitdiffstats
path: root/lib/libncurses/lib_twait.c
diff options
context:
space:
mode:
authorache <ache@FreeBSD.org>1994-12-02 06:40:24 +0000
committerache <ache@FreeBSD.org>1994-12-02 06:40:24 +0000
commitda3bc85e1374c51c5dced6baacf60288a5a3ea40 (patch)
tree0beef683196d6d2f76165d3756c20ac09c0ee20b /lib/libncurses/lib_twait.c
parentd856190a55e1ac4bbc1e389083c70c3a9c37746e (diff)
downloadFreeBSD-src-da3bc85e1374c51c5dced6baacf60288a5a3ea40.zip
FreeBSD-src-da3bc85e1374c51c5dced6baacf60288a5a3ea40.tar.gz
Upgrade to version 1.8.6
Diffstat (limited to 'lib/libncurses/lib_twait.c')
-rw-r--r--lib/libncurses/lib_twait.c60
1 files changed, 38 insertions, 22 deletions
diff --git a/lib/libncurses/lib_twait.c b/lib/libncurses/lib_twait.c
index 01e7ffa..1b0fd1e 100644
--- a/lib/libncurses/lib_twait.c
+++ b/lib/libncurses/lib_twait.c
@@ -1,6 +1,6 @@
-/* This work is copyrighted. See COPYRIGHT.OLD & COPYRIGHT.NEW for *
-* details. If they are missing then this copy is in violation of *
-* the copyright conditions. */
+/* This work is copyrighted. See COPYRIGHT.OLD & COPYRIGHT.NEW for *
+* details. If they are missing then this copy is in violation of *
+* the copyright conditions. */
/*
** lib_twait.c
@@ -10,10 +10,26 @@
*/
#include <string.h>
+#include <sys/types.h> /* some systems can't live without this */
#include <sys/time.h>
#include <unistd.h>
+#if defined(SYS_SELECT)
+#include <sys/select.h>
+#endif
#include "curses.priv.h"
+#if defined(NOUSLEEP)
+void usleep(unsigned int usec)
+{
+struct timeval tval;
+
+ tval.tv_sec = usec / 1000000;
+ tval.tv_usec = usec % 1000000;
+ select(0, NULL, NULL, NULL, &tval);
+
+}
+#endif
+
int timed_wait(int fd, int wait, int *timeleft)
{
int result;
@@ -22,38 +38,38 @@ static fd_set set;
#ifndef GOOD_SELECT
struct timeval starttime, returntime;
- gettimeofday(&starttime, NULL);
+ gettimeofday(&starttime, NULL);
#endif
- FD_ZERO(&set);
- FD_SET(fd, &set);
+ FD_ZERO(&set);
+ FD_SET(fd, &set);
- /* the units of wait are milliseconds */
- timeout.tv_sec = wait / 1000;
- timeout.tv_usec = (wait % 1000) * 1000;
+ /* the units of wait are milliseconds */
+ timeout.tv_sec = wait / 1000;
+ timeout.tv_usec = (wait % 1000) * 1000;
- T(("start twait: sec = %d, usec = %d", timeout.tv_sec, timeout.tv_usec));
+ T(("start twait: sec = %d, usec = %d", timeout.tv_sec, timeout.tv_usec));
- result = select(fd+1, &set, NULL, NULL, &timeout);
+ result = select(fd+1, &set, NULL, NULL, &timeout);
#ifndef GOOD_SELECT
- gettimeofday(&returntime, NULL);
- timeout.tv_sec -= (returntime.tv_sec - starttime.tv_sec);
- timeout.tv_usec -= (returntime.tv_usec - starttime.tv_usec);
- if (timeout.tv_usec < 0 && timeout.tv_sec > 0) {
+ gettimeofday(&returntime, NULL);
+ timeout.tv_sec -= (returntime.tv_sec - starttime.tv_sec);
+ timeout.tv_usec -= (returntime.tv_usec - starttime.tv_usec);
+ if (timeout.tv_usec < 0 && timeout.tv_sec > 0) {
timeout.tv_sec--;
timeout.tv_usec += 1000000;
- }
- if (timeout.tv_sec < 0)
+ }
+ if (timeout.tv_sec < 0)
timeout.tv_sec = timeout.tv_usec = 0;
#endif
- /* return approximate time left on the timeout, in milliseconds */
- if (timeleft)
+ /* return approximate time left on the timeout, in milliseconds */
+ if (timeleft)
*timeleft = (timeout.tv_sec * 1000) + (timeout.tv_usec / 1000);
- T(("end twait: returned %d, sec = %d, usec = %d (%d msec)",
- result, timeout.tv_sec, timeout.tv_usec, *timeleft));
+ T(("end twait: returned %d, sec = %d, usec = %d (%d msec)",
+ result, timeout.tv_sec, timeout.tv_usec, *timeleft));
- return(result);
+ return(result);
}
OpenPOWER on IntegriCloud