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* winsup.h: Split out dtable definitions into separate header file.

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* dtable.h: New file.
* sigproc.h: Eliminate pinfo.h usage here.  Use it in source files that need
it.
This commit is contained in:
Christopher Faylor
2000-08-12 05:35:42 +00:00
parent 3ee92b51d6
commit e2ebe11776
43 changed files with 106 additions and 44 deletions
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44
winsup/cygwin/dtable.h Normal file
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/* dtable.h: fd table definition.
Copyright 2000 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
class dtable
{
fhandler_base **fds;
fhandler_base **fds_on_hold;
int first_fd_for_open;
public:
size_t size;
dtable () {first_fd_for_open = 3;}
int vfork_child_dup ();
void vfork_parent_restore ();
fhandler_base *dup_worker (fhandler_base *oldfh);
int extend (int howmuch);
void fixup_after_fork (HANDLE);
fhandler_base *build_fhandler (int fd, DWORD dev, const char *name,
int unit = -1);
fhandler_base *build_fhandler (int fd, const char *name, HANDLE h);
int not_open (int n);
int find_unused_handle (int start);
int find_unused_handle () { return find_unused_handle (first_fd_for_open);}
void release (int fd);
void init_std_file_from_handle (int fd, HANDLE handle, DWORD access, const char *name);
int dup2 (int oldfd, int newfd);
int linearize_fd_array (unsigned char *buf, int buflen);
LPBYTE de_linearize_fd_array (LPBYTE buf);
fhandler_base *operator [](int fd) { return fds[fd]; }
select_record *select_read (int fd, select_record *s);
select_record *select_write (int fd, select_record *s);
select_record *select_except (int fd, select_record *s);
operator fhandler_base **() {return fds;}
};
void dtable_init (void);
void stdio_init (void);
extern dtable fdtab;