unlinkd.cc File Reference

#include "squid.h"
#include "compat/select.h"
#include "compat/unistd.h"
#include "fd.h"
#include "fde.h"
#include "fs_io.h"
#include "globals.h"
#include "SquidConfig.h"
#include "SquidIpc.h"
#include "StatCounters.h"
#include "store/Disk.h"
#include "tools.h"
#include "unlinkd.h"
#include <chrono>
#include <thread>

Include dependency graph for unlinkd.cc:

Go to the source code of this file.

Macros
#define	UNLINKD_QUEUE_LIMIT   20

Functions
void	unlinkdUnlink (const char *path)
void	unlinkdClose (void)
bool	unlinkdNeeded (void)
void	unlinkdInit (void)

Variables
static int	unlinkd_wfd = -1
static int	unlinkd_rfd = -1
static void *	hIpc
static pid_t	pid

Macro Definition Documentation

UNLINKD_QUEUE_LIMIT

#define UNLINKD_QUEUE_LIMIT   20

Definition at line 38 of file unlinkd.cc.

Function Documentation

unlinkdClose()

void unlinkdClose

(

void

)

Definition at line 133 of file unlinkd.cc.

References comm_close, DBG_IMPORTANT, debugs, getCurrentTime(), hIpc, pid, unlinkd_rfd, and unlinkd_wfd.

Referenced by SquidShutdown().

unlinkdInit()

void unlinkdInit

(

void

)

Definition at line 193 of file unlinkd.cc.

References assert, commUnsetFdTimeout(), commUnsetNonBlocking(), Config, DBG_IMPORTANT, debugs, fatal(), fd_note(), FD_PIPE, fd_table, hIpc, IPC_FIFO, IPC_STREAM, IPC_TCP_SOCKET, ipcCreate(), pid, SquidConfig::Program, Ip::Address::setLocalhost(), SquidConfig::unlinkd, unlinkd_rfd, and unlinkd_wfd.

Referenced by mainInitialize(), and mainReconfigureFinish().

unlinkdNeeded()

bool unlinkdNeeded

(

void

)

Definition at line 180 of file unlinkd.cc.

References SquidConfig::cacheSwap, Config, Store::DiskConfig::n_configured, Store::DiskConfig::swapDirs, and Store::Disk::unlinkdUseful().

Referenced by mainInitialize(), and mainReconfigureFinish().

unlinkdUnlink()

void unlinkdUnlink

(

const char *

path

)

Definition at line 41 of file unlinkd.cc.

References assert, DBG_IMPORTANT, debug_trap(), debugs, StatCounters::disk, MAXPATHLEN, CachePeer::path, StatCounters::requests, safeunlink(), statCounter, StatCounters::syscalls, StatCounters::unlink, UNLINKD_QUEUE_LIMIT, unlinkd_rfd, unlinkd_wfd, xread(), xselect(), xstrerr(), xstrncpy(), and xwrite().

Referenced by IpcIoIOStrategy::unlinkFile(), MmappedIOStrategy::unlinkFile(), BlockingIOStrategy::unlinkFile(), and DiskdIOStrategy::unlinkFile().

Variable Documentation

hIpc

void* hIpc

static

Definition at line 35 of file unlinkd.cc.

Referenced by unlinkdClose(), and unlinkdInit().

pid

pid_t pid

static

Definition at line 36 of file unlinkd.cc.

Referenced by unlinkdClose(), and unlinkdInit().

unlinkd_rfd

int unlinkd_rfd = -1

static

Definition at line 33 of file unlinkd.cc.

Referenced by unlinkdClose(), unlinkdInit(), and unlinkdUnlink().

unlinkd_wfd

int unlinkd_wfd = -1

static

Definition at line 32 of file unlinkd.cc.

Referenced by unlinkdClose(), unlinkdInit(), and unlinkdUnlink().