mirror of https://git.tukaani.org/xz.git
xz: Use clock_gettime() even if CLOCK_MONOTONIC isn't available.
mythread.h and thus liblzma already does it.
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2e02877288
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610dde15a8
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@ -12,7 +12,7 @@
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#include "private.h"
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#if defined(HAVE_CLOCK_GETTIME) && defined(HAVE_CLOCK_MONOTONIC)
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#ifdef HAVE_CLOCK_GETTIME
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# include <time.h>
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#else
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# include <sys/time.h>
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@ -35,14 +35,19 @@ static uint64_t next_flush;
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static uint64_t
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mytime_now(void)
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{
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#if defined(HAVE_CLOCK_GETTIME) && defined(HAVE_CLOCK_MONOTONIC)
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#ifdef HAVE_CLOCK_GETTIME
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struct timespec tv;
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# ifdef HAVE_CLOCK_MONOTONIC
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// If CLOCK_MONOTONIC was available at compile time but for some
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// reason isn't at runtime, fallback to CLOCK_REALTIME which
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// according to POSIX is mandatory for all implementations.
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static clockid_t clk_id = CLOCK_MONOTONIC;
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struct timespec tv;
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while (clock_gettime(clk_id, &tv))
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clk_id = CLOCK_REALTIME;
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# else
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clock_gettime(CLOCK_REALTIME, &tv);
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# endif
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return (uint64_t)tv.tv_sec * 1000 + (uint64_t)(tv.tv_nsec / 1000000);
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#else
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@ -56,8 +56,7 @@
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// polls the time and the SIGTSTP handling adds slight overhead to
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// that code. Most (all?) systems that have SIGTSTP also have SIGALRM
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// so this requirement won't exclude many systems.
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#if defined(HAVE_CLOCK_GETTIME) && defined(HAVE_CLOCK_MONOTONIC) \
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&& defined(SIGTSTP) && defined(SIGALRM)
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#if defined(HAVE_CLOCK_GETTIME) && defined(SIGTSTP) && defined(SIGALRM)
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# define USE_SIGTSTP_HANDLER 1
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#endif
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