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Diffstat (limited to 'usr/src/lib/libbc/libc/gen/common/usleep.c')
-rw-r--r--usr/src/lib/libbc/libc/gen/common/usleep.c71
1 files changed, 0 insertions, 71 deletions
diff --git a/usr/src/lib/libbc/libc/gen/common/usleep.c b/usr/src/lib/libbc/libc/gen/common/usleep.c
deleted file mode 100644
index 65b5071b36..0000000000
--- a/usr/src/lib/libbc/libc/gen/common/usleep.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Copyright 1996 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-
-/*
- * Copyright (c) 1985 Regents of the University of California.
- * All rights reserved. The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
- */
-
-#include <unistd.h>
-#include <sys/time.h>
-#include <signal.h>
-
-#define USPS 1000000 /* number of microseconds in a second */
-#define TICK (USPS / _sysconf(_SC_CLK_TCK))
-
-#define setvec(vec, a) \
- vec.sv_handler = a; vec.sv_mask = vec.sv_onstack = 0
-
-static int ringring;
-
-static void
-sleepx(void)
-{
-
- ringring = 1;
-}
-
-void
-usleep(unsigned n)
-{
- int omask;
- struct itimerval itv, oitv;
- 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 / USPS;
- itp->it_value.tv_usec = n % USPS;
- if (timerisset(&oitv.it_value)) {
- if (timercmp(&oitv.it_value, &itp->it_value, >)) {
- oitv.it_value.tv_sec -= itp->it_value.tv_sec;
- oitv.it_value.tv_usec -= itp->it_value.tv_usec;
- if (oitv.it_value.tv_usec < 0) {
- oitv.it_value.tv_usec += USPS;
- oitv.it_value.tv_sec--;
- }
- } else {
- itp->it_value = oitv.it_value;
- oitv.it_value.tv_sec = 0;
- oitv.it_value.tv_usec = 2 * TICK;
- }
- }
- 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);
-}