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* syscalls.cc (setsid): Detach process from its console if the current

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controlling tty is the console and already closed.
* dtable.h (class dtable): Add members to count descriptors referring to the
console.
* dtable.cc (dtable::dec_console_fds): New function to detach process from its
console.
(dtable::release): Decrement the counter of console descriptors.
(dtable::build_fhandler): Increment it.
* exception.cc (ctrl_c_handler): Send SIGTERM to myself when catch
CTRL_SHUTDOWN_EVENT.
This commit is contained in:
Christopher Faylor
2001-07-26 00:10:52 +00:00
parent 811bf2902d
commit 0cc642a5f1
5 changed files with 51 additions and 10 deletions
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13
winsup/cygwin/dtable.h
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@@ -1,6 +1,6 @@
/* dtable.h: fd table definition.
Copyright 2000 Red Hat, Inc.
Copyright 2000, 2001 Red Hat, Inc.
This file is part of Cygwin.
@@ -19,19 +19,26 @@ class dtable
fhandler_base **fds_on_hold;
int first_fd_for_open;
int cnt_need_fixup_before;
int console_fds;
public:
size_t size;
dtable () : first_fd_for_open(3), cnt_need_fixup_before(0) {}
dtable () : first_fd_for_open(3), cnt_need_fixup_before(0), console_fds(0) {}
void init () {first_fd_for_open = 3;}
void dec_need_fixup_before ()
{ if (cnt_need_fixup_before > 0) --cnt_need_fixup_before; }
void inc_need_fixup_before ()
{ ++cnt_need_fixup_before; }
{ cnt_need_fixup_before++; }
BOOL need_fixup_before ()
{ return cnt_need_fixup_before > 0; }
void dec_console_fds ();
void inc_console_fds ()
{ console_fds++; }
BOOL has_console_fds ()
{ return console_fds > 0; }
int vfork_child_dup ();
void vfork_parent_restore ();
void vfork_child_fixup ();