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* dtable.cc (dtable::release): Check for socket. Change

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cnt_need_fixup_before accordingly.
        (dtable::dup2): Ditto.
        (dtable::fixup_before_fork): New method.
        (dtable::fixup_before_exec): Ditto.
        * dtable.h (class dtable): Add member `cnt_need_fixup_before'. Add
        definition for methods `dec_need_fixup_before', `inc_need_fixup_before',
        `need_fixup_before', `fixup_before_exec' and `fixup_before_fork'.
        * fhandler.h (class fhandler_base): Slight rearrangements. Add
        definitions for methods `fixup_before_fork_exec'.
        (class fhandler_socket): Eliminate superfluous constructor.
        Add member `prot_info_ptr'. Add destructor. Add definitions for
        methods `dup', `fixup_before_fork_exec', `fixup_after_fork' and
        `fixup_after_exec'.
        * fork.cc (fork_parent): Care for file types which need a fixup
        before fork. Start child in suspended state then.
        * net.cc: New global variable `ws2_32_handle' and `wsadata'.
        (fdsock): Check for Winsock version. Call `set_socket_inheritance'
        only if Winsock version < 2.0. Care for `need_fixup' count in fdtab.
        (cygwin_socket): Eliminate call to `set_socket_inheritance'.
        (cygwin_accept): Ditto.
        (cygwin_rcmd): Ditto.
        (cygwin_rresvport): Ditto.
        (cygwin_rexec): Ditto.
        (socketpair): Ditto.
        (fhandler_socket::fhandler_socket): Set `need_fork_fixup'. Allocate
        space for the WSAPROTOCOL_INFOA struct used in fixup.
        (fhandler_socket::~fhandler_socket): New destructor.
        (fhandler_socket::fixup_before_fork_exec): New method.
        (fhandler_socket::fixup_after_fork): Ditto.
        (fhandler_socket::dup): Ditto.
        (wsock_init): New static function.
        (LoadDLLinitfunc (wsock32)): Rearranged.
        (LoadDLLinitfunc (ws2_32)): New function.
        (dummy_autoload): Add autoload statemants for `WSADuplicateSocketA'
        and `WSASocketA'.
        * spawn.cc (spawn_guts): Care for file types which need a fixup
        before exec. Start child in suspended state then.
This commit is contained in:
Corinna Vinschen
2000-10-26 10:13:41 +00:00
parent 003303a435
commit dd4f0b2343
7 changed files with 264 additions and 46 deletions
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16
winsup/cygwin/fhandler.h
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@@ -197,7 +197,10 @@ public:
void set_need_fork_fixup () { FHSETF (FFIXUP); }
virtual void set_close_on_exec (int val);
virtual void fixup_after_fork (HANDLE parent);
virtual void fixup_before_fork_exec (DWORD) {}
virtual void fixup_after_fork (HANDLE);
virtual void fixup_after_exec (HANDLE) {}
int get_symlink_p () { return FHISSETF (SYMLINK); }
void set_symlink_p (int val) { FHCONDSETF (val, SYMLINK); }
@@ -291,8 +294,6 @@ public:
virtual int raw_read (void *ptr, size_t ulen);
virtual int raw_write (const void *ptr, size_t ulen);
virtual void fixup_after_exec (HANDLE) {}
/* Virtual accessor functions to hide the fact
that some fd's have two handles. */
virtual HANDLE get_handle () const { return io_handle; }
@@ -320,9 +321,11 @@ class fhandler_socket: public fhandler_base
{
private:
int addr_family;
struct _WSAPROTOCOL_INFOA *prot_info_ptr;
public:
fhandler_socket (const char *name = 0);
fhandler_socket (unsigned int, const char *name = 0);
~fhandler_socket ();
int get_socket () const { return (int) get_handle(); }
fhandler_socket * is_socket () { return this; }
int write (const void *ptr, size_t len);
@@ -332,6 +335,11 @@ public:
off_t lseek (off_t, int) { return 0; }
int close ();
void hclose (HANDLE) {close ();}
int dup (fhandler_base *child);
virtual void fixup_before_fork_exec (DWORD);
void fixup_after_fork (HANDLE);
void fixup_after_exec (HANDLE parent) { fixup_after_fork (parent); }
select_record *select_read (select_record *s);
select_record *select_write (select_record *s);