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annotate m4/gc-hmac-md5.m4 @ 16869:38e6d30d7e4d

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poll/select: prevent busy-waiting 2012-05-21 Paolo Bonzini <bonzini@gnu.org> poll/select: prevent busy-waiting. SwitchToThread() only gives away the rest of the current time slice to another thread in the current process. So if the thread that feeds the file decscriptor we're polling is not in the current process, we get busy-waiting. * lib/poll.c: Use SleepEx(1, TRUE) instead of SwitchToThread(). Patch from Theodore Leblond. * lib/select.c: Split polling out of the loop that sets the output fd_sets. Check for zero result and loop if the wait timeout is infinite.
author Paolo Bonzini <bonzini@gnu.org>
date Mon, 21 May 2012 09:52:42 +0200
parents 8250f2777afc
children e542fd46ad6f
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d5aa06ef8fb9 crypto/gc-hmac-md5: Fix recent regression.
Bruno Haible <bruno@clisp.org>
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1 # gc-hmac-md5.m4 serial 3
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8250f2777afc maint: update all copyright year number ranges
Jim Meyering <meyering@redhat.com>
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2 dnl Copyright (C) 2005, 2007, 2009-2012 Free Software Foundation, Inc.
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bae11f33bf3c Split parts of the gc module into gc-md5 and gc-hmac-md5 modules.
Simon Josefsson <simon@josefsson.org>
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3 dnl This file is free software; the Free Software Foundation
bae11f33bf3c Split parts of the gc module into gc-md5 and gc-hmac-md5 modules.
Simon Josefsson <simon@josefsson.org>
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4 dnl gives unlimited permission to copy and/or distribute it,
bae11f33bf3c Split parts of the gc module into gc-md5 and gc-hmac-md5 modules.
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5 dnl with or without modifications, as long as this notice is preserved.
bae11f33bf3c Split parts of the gc module into gc-md5 and gc-hmac-md5 modules.
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6
bae11f33bf3c Split parts of the gc module into gc-md5 and gc-hmac-md5 modules.
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7 AC_DEFUN([gl_GC_HMAC_MD5],
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8 [
bae11f33bf3c Split parts of the gc module into gc-md5 and gc-hmac-md5 modules.
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9 AC_REQUIRE([gl_GC])
bae11f33bf3c Split parts of the gc module into gc-md5 and gc-hmac-md5 modules.
Simon Josefsson <simon@josefsson.org>
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10 if test "$ac_cv_libgcrypt" != yes; then
bae11f33bf3c Split parts of the gc module into gc-md5 and gc-hmac-md5 modules.
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11 gl_MD5
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12 gl_MEMXOR
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13 fi
bae11f33bf3c Split parts of the gc module into gc-md5 and gc-hmac-md5 modules.
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14 ])