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/*
* util.h - routeup/tlsdated utility functions
* Copyright (c) 2012 The Chromium Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef UTIL_H
#define UTIL_H
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#ifdef HAVE_PRCTL
#include <sys/prctl.h>
#ifndef PR_SET_NO_NEW_PRIVS
# define PR_SET_NO_NEW_PRIVS 38
#endif
#ifndef PR_GET_NO_NEW_PRIVS
# define PR_GET_NO_NEW_PRIVS 39
#endif
#endif
#include "src/rtc.h"
#ifdef TARGET_OS_HAIKU
#include <stdarg.h>
#endif
#define API __attribute__((visibility("default")))
extern const char *kTempSuffix;
#define IGNORE_EINTR(expr) ({ \
typeof(expr) _r; \
while ((_r = (expr)) == -1 && errno == EINTR); \
_r; \
})
extern int verbose;
extern int verbose_debug;
void initalize_syslog (void);
void terminate_syslog (void);
void die (const char *fmt, ...);
void verb (const char *fmt, ...);
extern void logat (int isverbose, const char *fmt, ...);
#define verb_debug debug
#define debug(fmt, ...) if (verbose_debug) logat(1, fmt, ## __VA_ARGS__)
#define info(fmt, ...) logat(0, fmt, ## __VA_ARGS__)
#define pinfo(fmt, ...) logat(1, fmt ": %s", ## __VA_ARGS__, strerror(errno))
#define error(fmt, ...) logat(0, fmt, ## __VA_ARGS__)
#define perror(fmt, ...) logat(0, fmt ": %s", ## __VA_ARGS__, strerror(errno))
#define fatal(fmt, ...) do { logat(0, fmt, ## __VA_ARGS__); exit(1); } while (0)
#define pfatal(fmt, ...) do { \
logat(0, fmt ": %s", ## __VA_ARGS__, strerror(errno)); \
exit(1); \
} while (0)
static inline int min (int x, int y)
{
return x < y ? x : y;
}
void drop_privs_to (const char *user, const char *group);
void no_new_privs (void);
const char *sync_type_str (int sync_type);
struct state;
enum event_id_t;
void trigger_event (struct state *state, enum event_id_t e, int sec);
struct platform {
int (*rtc_open)(struct rtc_handle *);
int (*rtc_write)(struct rtc_handle *, const struct timeval *tv);
int (*rtc_read)(struct rtc_handle *, struct timeval *tv);
int (*rtc_close)(struct rtc_handle *);
int (*file_open)(const char *path, int write, int cloexec);
int (*file_close)(int fd);
/* Atomic file write and read */
int (*file_write)(int fd, void *buf, size_t sz);
int (*file_read)(int fd, void *buf, size_t sz);
int (*time_get)(struct timeval *tv);
int (*pgrp_enter)(void);
int (*pgrp_kill)(void);
int (*process_signal)(pid_t pid, int sig);
int (*process_wait)(pid_t pid, int *status, int timeout);
};
extern struct platform *platform;
#endif /* !UTIL_H */
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