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fixed sigar_boot_time_get for linux, to work as gnu ps, this fixed some problems with start_time detection

This commit is contained in:
Konstantin Makarchev 2018-01-22 12:51:24 +03:00
parent dfe8fece17
commit 660259e572
1 changed files with 5 additions and 26 deletions
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31
src/os/linux/linux_sigar.c
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@ -124,32 +124,11 @@ sigar_pid_t sigar_pid_get(sigar_t *sigar)
static int sigar_boot_time_get(sigar_t *sigar) static int sigar_boot_time_get(sigar_t *sigar)
{ {
FILE *fp; unsigned long seconds_since_1970 = time(NULL);
char buffer[BUFSIZ], *ptr; sigar_uptime_t seconds_since_boot;
int found = 0; int status = sigar_uptime_get(sigar, &seconds_since_boot);
sigar->boot_time = seconds_since_1970 - (unsigned long)seconds_since_boot.uptime;
if (!(fp = fopen(PROC_STAT, "r"))) { return status;
return errno;
}
while ((ptr = fgets(buffer, sizeof(buffer), fp))) {
if (strnEQ(ptr, "btime", 5)) {
if ((ptr = sigar_skip_token(ptr))) {
sigar->boot_time = sigar_strtoul(ptr);
found = 1;
}
break;
}
}
fclose(fp);
if (!found) {
/* should never happen */
sigar->boot_time = time(NULL);
}
return SIGAR_OK;
} }
int sigar_os_open(sigar_t **sigar) int sigar_os_open(sigar_t **sigar)