* fhandler.cc (fhandler_base::dup): Drop setting flags in the parent.
Implement advisory file locking. * cygheap.h (struct init_cygheap): Add inode_list member. * cygwin.din (lockf): Export. * dcrt0.cc (child_info_spawn::handle_spawn): Call fixup_lockf_after_exec. * dtable.h (class dtable): Add fhandler_disk_file as friend class. * fhandler.cc (fhandler_base::close): Call del_my_locks if node is set. (fhandler_base::fhandler_base): Initialize node to NULL. (fhandler_base::fixup_after_fork): Ditto. * fhandler.h (class fhandler_base): Add member node. * fhandler_disk_file.cc (fhandler_disk_file::lock): Delete. * flock.cc: Implement all advisory file locking here. (fhandler_disk_file::lock): Implement here. (flock): Call fcntl with F_FLOCK bit set. Remove test main function. (lockf): New function. * fork.cc (frok::child): Call fixup_lockf_after_fork. * ntdll.h (DIRECTORY_ALL_ACCESS): Define. (struct _OBJECT_BASIC_INFORMATION): Define. (enum _EVENT_TYPE): Define. (NtCreateDirectoryObject): Declare. (NtCreateEvent): Declare. (NtCreateMutant): Declare. (NtOpenEvent): Declare. (NtOpenMutant): Declare. * include/cygwin/version.h: Bump API minor number.
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@@ -173,6 +173,7 @@ int __stdcall
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frok::child (volatile char * volatile here)
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{
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HANDLE& hParent = ch.parent;
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extern void fixup_lockf_after_fork ();
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extern void fixup_hooks_after_fork ();
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extern void fixup_timers_after_fork ();
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debug_printf ("child is running. pid %d, ppid %d, stack here %p",
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@@ -253,6 +254,7 @@ frok::child (volatile char * volatile here)
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ld_preload ();
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fixup_hooks_after_fork ();
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_my_tls.fixup_after_fork ();
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fixup_lockf_after_fork ();
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wait_for_sigthread (true);
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cygwin_finished_initializing = true;
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return 0;
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