/*
htop - LinuxProcessList.c
(C) 2014 Hisham H. Muhammad
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h" // IWYU pragma: keep
#include "LinuxProcessList.h"
#include <assert.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <math.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#ifdef HAVE_DELAYACCT
#include <linux/netlink.h>
#include <linux/taskstats.h>
#include <netlink/attr.h>
#include <netlink/handlers.h>
#include <netlink/msg.h>
#include <netlink/netlink.h>
#include <netlink/socket.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/ctrl.h>
#endif
#include "CRT.h"
#include "LinuxProcess.h"
#include "Macros.h"
#include "Object.h"
#include "Process.h"
#include "Settings.h"
#include "XUtils.h"
#ifdef MAJOR_IN_MKDEV
#include <sys/mkdev.h>
#elif defined(MAJOR_IN_SYSMACROS)
#include <sys/sysmacros.h>
#endif
static ssize_t xread(int fd, void *buf, size_t count) {
// Read some bytes. Retry on EINTR and when we don't get as many bytes as we requested.
size_t alreadyRead = 0;
for(;;) {
ssize_t res = read(fd, buf, count);
if (res == -1 && errno == EINTR) continue;
if (res > 0) {
buf = ((char*)buf)+res;
count -= res;
alreadyRead += res;
}
if (res == -1) return -1;
if (count == 0 || res == 0) return alreadyRead;