From: Sami Kerola Date: Wed, 23 Apr 2014 21:59:29 +0000 (+0100) Subject: dmesg: move get_boot_time() to lib/timeutils X-Git-Tag: v2.25-rc1~241 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=929f939e;p=thirdparty%2Futil-linux.git dmesg: move get_boot_time() to lib/timeutils In future the last(1) will use get_boot_time() as well. Signed-off-by: Sami Kerola --- diff --git a/include/timeutils.h b/include/timeutils.h index bcae6137cf..b9ba0f7832 100644 --- a/include/timeutils.h +++ b/include/timeutils.h @@ -51,5 +51,6 @@ typedef uint64_t nsec_t; #define FORMAT_TIMESPAN_MAX 64 int parse_timestamp(const char *t, usec_t *usec); +int get_boot_time(struct timeval *boot_time); #endif /* UTIL_LINUX_TIME_UTIL_H */ diff --git a/lib/timeutils.c b/lib/timeutils.c index 7fe62187df..c1b632e0a0 100644 --- a/lib/timeutils.c +++ b/lib/timeutils.c @@ -21,9 +21,12 @@ #include #include #include +#include +#include #include #include "c.h" +#include "nls.h" #include "strutils.h" #include "timeutils.h" @@ -336,3 +339,29 @@ int parse_timestamp(const char *t, usec_t *usec) return 0; } + +int get_boot_time(struct timeval *boot_time) +{ + struct timespec hires_uptime; + struct timeval lores_uptime, now; + struct sysinfo info; + + if (gettimeofday(&now, NULL) != 0) { + warn(_("gettimeofday failed")); + return -errno; + } +#ifdef CLOCK_BOOTTIME + if (clock_gettime(CLOCK_BOOTTIME, &hires_uptime) == 0) { + TIMESPEC_TO_TIMEVAL(&lores_uptime, &hires_uptime); + timersub(&now, &lores_uptime, boot_time); + return 0; + } +#endif + /* fallback */ + if (sysinfo(&info) != 0) + warn(_("sysinfo failed")); + + boot_time->tv_sec = now.tv_sec - info.uptime; + boot_time->tv_usec = 0; + return 0; +} diff --git a/sys-utils/dmesg.c b/sys-utils/dmesg.c index df68c84404..196cc61ea2 100644 --- a/sys-utils/dmesg.c +++ b/sys-utils/dmesg.c @@ -472,33 +472,6 @@ static int get_syslog_buffer_size(void) return n > 0 ? n : 0; } -static int get_boot_time(struct timeval *boot_time) -{ - struct timespec hires_uptime; - struct timeval lores_uptime, now; - struct sysinfo info; - - if (gettimeofday(&now, NULL) != 0) { - warn(_("gettimeofday failed")); - return -errno; - } - -#ifdef CLOCK_BOOTTIME - if (clock_gettime(CLOCK_BOOTTIME, &hires_uptime) == 0) { - TIMESPEC_TO_TIMEVAL(&lores_uptime, &hires_uptime); - timersub(&now, &lores_uptime, boot_time); - return 0; - } -#endif - /* fallback */ - if (sysinfo(&info) != 0) - warn(_("sysinfo failed")); - - boot_time->tv_sec = now.tv_sec - info.uptime; - boot_time->tv_usec = 0; - return 0; -} - /* * Reads messages from regular file by mmap */