fd.h

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/*
 * Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 *
 * Squid software is distributed under GPLv2+ license and includes
 * contributions from numerous individuals and organizations.
 * Please see the COPYING and CONTRIBUTORS files for details.
 */
 
/* DEBUG: section 51    Filedescriptor Functions */
 
#ifndef SQUID_FD_H_
#define SQUID_FD_H_
 
namespace Comm {
 
class Descriptor
{
public:
    Descriptor(int fd, unsigned int type, const char *description);
    Descriptor(Descriptor &&) = delete; // no copying (and, for now, moving) of any kind
 
    ~Descriptor();
 
    operator int() const { return fd_; }
 
    int release() { const auto result = fd_; fd_ = -1; return result; }
 
private:
    int fd_;
};
 
} // namespace Comm
 
void fd_close(int fd);
void fd_open(int fd, unsigned int type, const char *);
void fd_note(int fd, const char *);
void fd_bytes(int fd, int len, unsigned int type);
void fdDumpOpen(void);
int fdUsageHigh(void);
void fdAdjustReserved(void);
int default_read_method(int, char *, int);
int default_write_method(int, const char *, int);
 
#endif /* SQUID_FD_H_ */