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-rw-r--r--openbsd-compat/bsd-misc.c33
1 files changed, 32 insertions, 1 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 @@
25#include "includes.h" 25#include "includes.h"
26#include "xmalloc.h" 26#include "xmalloc.h"
27 27
28RCSID("$Id: bsd-misc.c,v 1.11 2003/01/09 22:53:13 djm Exp $"); 28RCSID("$Id: bsd-misc.c,v 1.12 2003/03/18 18:21:41 tim Exp $");
29 29
30/* 30/*
31 * NB. duplicate __progname in case it is an alias for argv[0] 31 * NB. duplicate __progname in case it is an alias for argv[0]
@@ -135,3 +135,34 @@ setgroups(size_t size, const gid_t *list)
135} 135}
136#endif 136#endif
137 137
138#if !defined(HAVE_NANOSLEEP) && !defined(HAVE_NSLEEP)
139int nanosleep(const struct timespec *req, struct timespec *rem)
140{
141 int rc, saverrno;
142 extern int errno;
143 struct timeval tstart, tstop, tremain, time2wait;
144
145 TIMESPEC_TO_TIMEVAL(&time2wait, req)
146 (void) gettimeofday(&tstart, NULL);
147 rc = select(0, NULL, NULL, NULL, &time2wait);
148 if (rc == -1) {
149 saverrno = errno;
150 (void) gettimeofday (&tstop, NULL);
151 errno = saverrno;
152 tremain.tv_sec = time2wait.tv_sec -
153 (tstop.tv_sec - tstart.tv_sec);
154 tremain.tv_usec = time2wait.tv_usec -
155 (tstop.tv_usec - tstart.tv_usec);
156 tremain.tv_sec += tremain.tv_usec / 1000000L;
157 tremain.tv_usec %= 1000000L;
158 } else {
159 tremain.tv_sec = 0;
160 tremain.tv_usec = 0;
161 }
162 TIMEVAL_TO_TIMESPEC(&tremain, rem)
163
164 return(rc);
165}
166
167#endif
168