[configure.ac openbsd-compat/bsd-misc.c openbsd-compat/bsd-misc.h]

add nanosleep(). testing/corrections by Darren Tucker <dtucker@zip.com.au>

2 files changed, 42 insertions, 2 deletions

diff --git a/openbsd-compat/bsd-misc.c b/openbsd-compat/bsd-misc.c
index d7180d424..b8e9996d5 100644
--- a/openbsd-compat/bsd-misc.c
+++ b/openbsd-compat/bsd-misc.c
@@ -25,7 +25,7 @@
 #include "includes.h"
 #include "xmalloc.h"
 
-RCSID("$Id: bsd-misc.c,v 1.11 2003/01/09 22:53:13 djm Exp $");
+RCSID("$Id: bsd-misc.c,v 1.12 2003/03/18 18:21:41 tim Exp $");
 
 /*
  * NB. duplicate __progname in case it is an alias for argv[0]
@@ -135,3 +135,34 @@ setgroups(size_t size, const gid_t *list)
 }
 #endif 
 
+#if !defined(HAVE_NANOSLEEP) && !defined(HAVE_NSLEEP)
+int nanosleep(const struct timespec *req, struct timespec *rem)
+{
+        int rc, saverrno;
+        extern int errno;
+        struct timeval tstart, tstop, tremain, time2wait;
+
+        TIMESPEC_TO_TIMEVAL(&time2wait, req)
+        (void) gettimeofday(&tstart, NULL);
+        rc = select(0, NULL, NULL, NULL, &time2wait);
+        if (rc == -1) {
+                saverrno = errno;
+                (void) gettimeofday (&tstop, NULL);
+                errno = saverrno;
+                tremain.tv_sec = time2wait.tv_sec - 
+                        (tstop.tv_sec - tstart.tv_sec);
+                tremain.tv_usec = time2wait.tv_usec - 
+                        (tstop.tv_usec - tstart.tv_usec);
+                tremain.tv_sec += tremain.tv_usec / 1000000L;
+                tremain.tv_usec %= 1000000L;
+        } else {
+                tremain.tv_sec = 0;
+                tremain.tv_usec = 0;
+        }
+        TIMEVAL_TO_TIMESPEC(&tremain, rem)
+
+        return(rc);
+}
+
+#endif
+
diff --git a/openbsd-compat/bsd-misc.h b/openbsd-compat/bsd-misc.h
index 981196044..78d9ccdd4 100644
--- a/openbsd-compat/bsd-misc.h
+++ b/openbsd-compat/bsd-misc.h
@@ -22,7 +22,7 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-/* $Id: bsd-misc.h,v 1.6 2002/06/13 21:34:58 mouring Exp $ */
+/* $Id: bsd-misc.h,v 1.7 2003/03/18 18:21:41 tim Exp $ */
 
 #ifndef _BSD_MISC_H
 #define _BSD_MISC_H
@@ -80,5 +80,14 @@ int truncate (const char *path, off_t length);
 int setgroups(size_t size, const gid_t *list);
 #endif
 
+#if !defined(HAVE_NANOSLEEP) && !defined(HAVE_NSLEEP)
+#ifndef HAVE_STRUCT_TIMESPEC
+struct timespec {
+        time_t  tv_sec;
+        long    tv_nsec;
+};
+#endif
+int nanosleep(const struct timespec *req, struct timespec *rem);
+#endif
 
 #endif /* _BSD_MISC_H */