7176f4e4b5
* stdlib/stdlib.h: Replace __CONSTVALUE by attribute. * stdlib/abs.c, stdlib/div.c, stdlib/labs.c, stdlib/ldiv.c, sysdeps/generic/hypot.c: Remove obsolete __CONSTVALUE. * stdio-common/printf_fp.c (__printf_fp): Fix parameter declaration. * sysdeps/generic/putenv.c (putenv): Fix second argument of setenv. * sysdeps/ieee754/hypot.c: New file, extracted out of cabs.c. * sysdeps/ieee754/cabs.c: Don't define hypot here. * sysdeps/ieee754/ieee754.h (union ieee854_long_double): Fix definition of ieee_nan alternative. * sysdeps/m68k/__longjmp.c, sysdeps/m68k/setjmp.c: Add register prefix spec. * sysdeps/m68k/ffs.c (ffs): Fix register constraint. * sysdeps/m68k/fpu/__math.h: Include <errno.h>. Replace obsolete __CONSTVALUE by attribute. (floor): Round to negative infinity. (rint, expm1) [__NO_MATH_INLINES]: Don't define, to avoid type clash when compiling source. (pow): Handle x == 0 and x < 0. (ceil, __isinf, __isnan): Fix register constraints. (__isinfl, __isnanl): Added. * sysdeps/m68k/fpu/acos.c, sysdeps/m68k/fpu/atan2.c, sysdeps/m68k/fpu/fmod.c, sysdeps/m68k/fpu/ldexp.c, sysdeps/m68k/fpu/pow.c: Remove obsolete __CONSTVALUE. * sysdeps/m68k/bsd-_setjmp.S, sysdeps/m68k/bsd-setjmp.S: Fix assembler syntax. * sysdeps/unix/bsd/bsd4.4/fchdir.S (fchdir): Take only one argument. * sysdeps/unix/bsd/clock.c (timeval_to_clock_t): Fix timeval to clock_t conversion. (clock): Don't multiply by CLOCKS_PER_SEC. * sysdeps/unix/bsd/poll.c (poll): Fix msec to timeval conversion. * sysdeps/unix/bsd/sun/m68k/brk.S (brk): Compare with address of __end. * sysdeps/unix/bsd/sun/m68k/vfork.S: Fix assembler syntax. * sysdeps/unix/bsd/ualarm.c (ualarm): Fix timeval calculation. * sysdeps/unix/bsd/vax/vfork.S: Remove duplicate label.
43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
/* Copyright (C) 1991 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <sys/time.h>
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/* Set an alarm to go off (generating a SIGALRM signal) in VALUE microseconds.
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If INTERVAL is nonzero, when the alarm goes off, the timer is reset to go
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off every INTERVAL microseconds thereafter.
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Returns the number of microseconds remaining before the alarm. */
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unsigned int
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DEFUN(ualarm, (value, interval),
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unsigned int value AND unsigned int interval)
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{
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struct itimerval timer, otimer;
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timer.it_value.tv_sec = 0;
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timer.it_value.tv_usec = value;
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timer.it_interval.tv_sec = 0;
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timer.it_interval.tv_usec = interval;
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if (setitimer(ITIMER_REAL, &timer, &otimer) < 0)
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return -1;
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return (otimer.it_value.tv_sec * 1000000) + otimer.it_value.tv_usec;
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}
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