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comparison dbutil.c @ 1468:b528e3753af4

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define CLOCK_MONOTONIC if needed
author Matt Johnston <matt@ucc.asn.au>
date Thu, 08 Feb 2018 22:07:59 +0800
parents fb90a5ba84e0
children 2d450c1056e3
comparison
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1467:7279a633cc50 1468:b528e3753af4
632 /* CLOCK_MONOTONIC_COARSE was added in Linux 2.6.32 but took a while to 632 /* CLOCK_MONOTONIC_COARSE was added in Linux 2.6.32 but took a while to
633 reach userspace include headers */ 633 reach userspace include headers */
634 #ifndef CLOCK_MONOTONIC_COARSE 634 #ifndef CLOCK_MONOTONIC_COARSE
635 #define CLOCK_MONOTONIC_COARSE 6 635 #define CLOCK_MONOTONIC_COARSE 6
636 #endif 636 #endif
637 /* Some old toolchains know SYS_clock_gettime but not CLOCK_MONOTONIC */
638 #ifndef CLOCK_MONOTONIC
639 #define CLOCK_MONOTONIC 1
640 #endif
637 static clockid_t get_linux_clock_source() { 641 static clockid_t get_linux_clock_source() {
638 struct timespec ts; 642 struct timespec ts;
639 if (syscall(SYS_clock_gettime, CLOCK_MONOTONIC_COARSE, &ts) == 0) { 643 if (syscall(SYS_clock_gettime, CLOCK_MONOTONIC_COARSE, &ts) == 0) {
640 return CLOCK_MONOTONIC_COARSE; 644 return CLOCK_MONOTONIC_COARSE;
641 } 645 }