792011508a
(_crealloc): Ditto. * dcrt0.cc (dll_crt0_1): Default to always checking for executable for now. * dtable.cc (dtable::not_open): Move method. * dtable.h (dtable): Here. * exceptions.cc (ctrl_c_handler): Don't expect process group leader to handle a signal if it doesn't exist. * fhandler.h (fhandler_base): Make openflags protected. * localtime.c (tzsetwall): Check for __CYGWIN__ as well as __WIN32__. * path.cc (path_conv::check): Add some comments. Change strcat to assignment. * lib/_cygwin_S_IEXEC.cc (_cygwin_bob__): Eliminate. * fhandler_tty.cc (fhandler_console::dup): Set controlling terminal if necessary. * fhandler_tty.cc (fhandler_tty_slave::dup): Ditto.
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
/* dtable.h: fd table definition.
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Copyright 2000 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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/* Initial and increment values for cygwin's fd table */
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#define NOFILE_INCR 32
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#include "thread.h"
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class dtable
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{
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fhandler_base **fds;
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fhandler_base **fds_on_hold;
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int first_fd_for_open;
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int cnt_need_fixup_before;
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public:
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size_t size;
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dtable () : first_fd_for_open(3), cnt_need_fixup_before(0) {}
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void init () {first_fd_for_open = 3;}
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void dec_need_fixup_before ()
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{ if (cnt_need_fixup_before > 0) --cnt_need_fixup_before; }
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void inc_need_fixup_before ()
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{ ++cnt_need_fixup_before; }
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BOOL need_fixup_before ()
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{ return cnt_need_fixup_before > 0; }
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int vfork_child_dup ();
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void vfork_parent_restore ();
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void vfork_child_fixup ();
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fhandler_base *dup_worker (fhandler_base *oldfh);
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int extend (int howmuch);
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void fixup_before_exec (DWORD win_proc_id);
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void fixup_before_fork (DWORD win_proc_id);
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void fixup_after_fork (HANDLE);
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fhandler_base *build_fhandler (int fd, DWORD dev, const char *name,
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int unit = -1);
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fhandler_base *build_fhandler (int fd, const char *name, HANDLE h);
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int not_open (int fd)
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{
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SetResourceLock (LOCK_FD_LIST, READ_LOCK, "not_open");
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int res = fd < 0 || fd >= (int) size || fds[fd] == NULL;
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ReleaseResourceLock (LOCK_FD_LIST, READ_LOCK, "not open");
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return res;
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}
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int find_unused_handle (int start);
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int find_unused_handle () { return find_unused_handle (first_fd_for_open);}
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void release (int fd);
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void init_std_file_from_handle (int fd, HANDLE handle, DWORD access, const char *name);
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int dup2 (int oldfd, int newfd);
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void fixup_after_exec (HANDLE);
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inline fhandler_base *operator [](int fd) { return fds[fd]; }
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select_record *select_read (int fd, select_record *s);
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select_record *select_write (int fd, select_record *s);
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select_record *select_except (int fd, select_record *s);
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operator fhandler_base **() {return fds;}
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};
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void dtable_init (void);
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void stdio_init (void);
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extern dtable fdtab;
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extern "C" int getfdtabsize ();
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extern "C" void setfdtabsize (int);
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