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- head 1.4;
- branch ;
- access ;
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- locks ; strict;
- comment @ * @;
-
-
- 1.4
- date 90.09.05.18.56.41; author rab; state Exp;
- branches ;
- next 1.3;
-
- 1.3
- date 88.12.31.12.26.19; author ouster; state Exp;
- branches ;
- next 1.2;
-
- 1.2
- date 88.06.21.17.25.15; author ouster; state Exp;
- branches ;
- next 1.1;
-
- 1.1
- date 88.06.19.14.32.02; author ouster; state Exp;
- branches ;
- next ;
-
-
- desc
- @@
-
-
- 1.4
- log
- @Replaced old sleep with bsd sleep.
- @
- text
- @/*
- * sleep.c --
- *
- * Source for "sleep" library procedure.
- *
- * Copyright 1986, 1989 Regents of the University of California
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies. The University of California
- * makes no representations about the suitability of this
- * software for any purpose. It is provided "as is" without
- * express or implied warranty.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: /sprite/src/lib/c/etc/RCS/sleep.c,v 1.3 88/12/31 12:26:19 ouster Exp Locker: rab $ SPRITE (Berkeley)";
- #endif not lint
-
- #include <sys/time.h>
- #include <signal.h>
-
- #define setvec(vec, a) \
- vec.sv_handler = a; vec.sv_mask = vec.sv_onstack = 0
-
- static int ringring;
- static void sleepx();
-
-
- /*
- *----------------------------------------------------------------------
- *
- * sleep --
- *
- * Delay process for a given number of seconds.
- *
- * Results:
- * Always returns 0.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
- int
- sleep(n)
- unsigned n;
- {
- long omask;
- struct itimerval itv, oitv;
- register struct itimerval *itp = &itv;
- struct sigvec vec, ovec;
-
- if (n == 0)
- return;
- timerclear(&itp->it_interval);
- timerclear(&itp->it_value);
- if (setitimer(ITIMER_REAL, itp, &oitv) < 0)
- return;
- itp->it_value.tv_sec = n;
- if (timerisset(&oitv.it_value)) {
- if (timercmp(&oitv.it_value, &itp->it_value, >))
- oitv.it_value.tv_sec -= itp->it_value.tv_sec;
- else {
- itp->it_value = oitv.it_value;
- /*
- * This is a hack, but we must have time to
- * return from the setitimer after the alarm
- * or else it'll be restarted. And, anyway,
- * sleep never did anything more than this before.
- */
- oitv.it_value.tv_sec = 1;
- oitv.it_value.tv_usec = 0;
- }
- }
- setvec(vec, sleepx);
- (void) sigvec(SIGALRM, &vec, &ovec);
- omask = sigblock(sigmask(SIGALRM));
- ringring = 0;
- (void) setitimer(ITIMER_REAL, itp, (struct itimerval *)0);
- while (!ringring)
- sigpause(omask &~ sigmask(SIGALRM));
- (void) sigvec(SIGALRM, &ovec, (struct sigvec *)0);
- (void) sigsetmask(omask);
- (void) setitimer(ITIMER_REAL, &oitv, (struct itimerval *)0);
- }
-
- static void
- sleepx()
- {
-
- ringring = 1;
- }
-
- #ifdef WRONG
- int
- sleep(seconds)
- int seconds;
- {
- struct timeval tv;
-
- tv.tv_sec = seconds;
- tv.tv_usec = 0;
- (void) select(0, (int *) 0, (int *) 0, (int *) 0, &tv);
- return 0;
- }
- #endif
-
- @
-
-
- 1.3
- log
- @Simplify so as not to need compatibility routines or Sprite kernel calls.
- @
- text
- @d17 1
- a17 1
- static char rcsid[] = "$Header: sleep.c,v 1.2 88/06/21 17:25:15 ouster Exp $ SPRITE (Berkeley)";
- d21 8
- d45 46
- d92 4
- d107 2
- @
-
-
- 1.2
- log
- @Various changes to make code compile under new library.
- @
- text
- @d2 1
- a2 1
- * kill.c --
- d4 1
- a4 1
- * Procedure to map from Unix sleep system call to Sprite Sync_WaitTime.
- d6 8
- a13 2
- * Copyright 1986 Regents of the University of California
- * All rights reserved.
- d17 1
- a17 1
- static char rcsid[] = "$Header: sleep.c,v 1.1 88/06/19 14:32:02 ouster Exp $ SPRITE (Berkeley)";
- d20 1
- a20 7
- #include <sprite.h>
- #include <spriteTime.h>
- #include <sync.h>
-
- #include "compatInt.h"
- #include <errno.h>
-
- d27 1
- a27 2
- * Procedure to map from Unix sleep library call to Sprite
- * Sync_WaitTime.
- d30 1
- a30 1
- * UNIX_SUCCESS is returned.
- d42 1
- a42 1
- Time timeToWait;
- d44 4
- a47 4
- timeToWait.seconds = seconds;
- timeToWait.microseconds = 0;
- (void) Sync_WaitTime(timeToWait);
- return(UNIX_SUCCESS);
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @d11 1
- a11 1
- static char rcsid[] = "$Header: sigsetmask.c,v 1.1 86/04/17 15:21:06 douglis Exp $ SPRITE (Berkeley)";
- d14 3
- a16 3
- #include "sprite.h"
- #include "/sprite/lib/include/time.h"
- #include "sync.h"
- @
-