2 * Copyright (c) 1986, 1993
3 * The Regents of the University of California. All rights reserved.
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6 * modification, are permitted provided that the following conditions
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12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
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33 * @(#)acucommon.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/tip/libacu/acucommon.c,v 1.3 1999/08/28 01:06:30 peter Exp $
38 * Routines for calling up on a Courier modem.
39 * Derived from Hayes driver.
41 #include "acucommon.h"
48 #include <sys/types.h>
49 #include <sys/times.h>
53 acu_nap(unsigned int how_long)
56 t.tv_usec = (how_long % 1000) * 1000;
57 t.tv_sec = how_long / 1000;
58 (void) select (0, NULL, NULL, NULL, &t);
63 acu_nap(unsigned int how_long)
65 (void) usleep (how_long * 1000);
71 * Code stolen from /usr/src/lib/libc/gen/sleep.c
73 #define mask(s) (1<<((s)-1))
74 #define setvec(vec, a) \
75 vec.sv_handler = a; vec.sv_mask = vec.sv_onstack = 0
86 acu_nap(unsigned int how_long)
89 struct itimerval itv, oitv;
90 struct itimerval *itp = &itv;
91 struct sigvec vec, ovec;
93 timerclear(&itp->it_interval);
94 timerclear(&itp->it_value);
95 if (setitimer(ITIMER_REAL, itp, &oitv) < 0)
97 setvec(ovec, SIG_DFL);
98 omask = sigblock(mask(SIGALRM));
99 itp->it_value.tv_sec = how_long / 1000;
100 itp->it_value.tv_usec = ((how_long % 1000) * 1000);
101 setvec(vec, acunap_napx);
103 (void) sigvec(SIGALRM, &vec, &ovec);
104 (void) setitimer(ITIMER_REAL, itp, NULL);
106 sigpause(omask &~ mask(SIGALRM));
107 (void) sigvec(SIGALRM, &ovec, NULL);
108 (void) setitimer(ITIMER_REAL, &oitv, NULL);
109 (void) sigsetmask(omask);
112 #endif /* HAVE_USLEEP */
115 acu_hw_flow_control(int hw_flow_control)
119 if (tcgetattr (FD, &t) == 0) {
121 t.c_cflag |= CRTSCTS;
123 t.c_cflag &= ~CRTSCTS;
124 tcsetattr (FD, TCSANOW, &t);
126 #endif /* HAVE_TERMIOS */
134 return (ioctl (FD, TIOCFLUSH, &flags) == 0); /* flush any clutter */
137 return (ioctl (FD, TIOCGETP, &buf) == 0 && ioctl (FD, TIOCSETP, &buf) == 0);
146 tcgetattr (FD, &term);
147 return (term.c_ospeed);
148 #else /* HAVE_TERMIOS */
150 ioctl (FD, TIOCGETP, &buf);
151 return (buf.sg_ospeed);
156 acu_setspeed(int speed)
161 if (tcgetattr (FD, &term) == 0) {
162 #ifndef _POSIX_SOURCE
163 cfsetspeed (&term, speed);
165 cfsetispeed (&term, speed);
166 cfsetospeed (&term, speed);
168 if (tcsetattr (FD, TCSANOW, &term) == 0)
171 #else /* HAVE TERMIOS */
173 if (ioctl(FD, TIOCGETP, &sb) < 0) {
177 sb.sg_ispeed = sb.sg_ospeed = speed;
178 if (ioctl(FD, TIOCSETP, &sb) < 0) {
184 #endif /* HAVE TERMIOS */
193 tcgetattr (FD, &term);
194 term.c_cflag |= HUPCL;
195 tcsetattr (FD, TCSANOW, &term);
196 #elif defined(TIOCHPCL)
197 ioctl(FD, TIOCHPCL, 0);
201 /* end of acucommon.c */