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path: root/src/lib/libc/stdlib/atexit.c (follow)
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* Add locking for __cxa_finalize() as it modifies the page permissions of thekettenis2014-07-111-1/+5
| | | | | | | __atexit tables and touches global variables. From Srinavasa Nagaraju through Android/Elliott Hughes. ok tedu@, guenther@
* as noted by google/android via kettenis, atexit handlers can install newtedu2014-07-101-1/+8
| | | | | handlers. if this happens, restart the loop. ok kettenis matthew millert miod
* Always call atexit handlers as if they were registered with __cxa_atexit.kettenis2014-06-181-9/+6
| | | | | | | | | | | The extra argument doesn't hurt genuine atexit handlers and this fixes a bug where we didn't provide the argument (effectively passing garbage) for functions registered with __cxa_atexit in the main executable. Pointed out by Dmitriy Ivanov <dimitry@google.com> and Elliott Hughes <enh@google.com>. ok matthew@
* Move atexit(3) into crtbegin.c and certbeginS.c such that we can pass thekettenis2013-12-281-10/+1
| | | | | | | | | | right __dso_handle and have dlopen'ed shared objects run their atexit handlers when they get unloaded. This is what Linux does, and several ports depend on this behaviour (and will crash upon exit without this chang). Based on an earlier diff from matthew@ Tested by ajacoutot@ ok deraadt@
* Two small cleanups to atexit: remove unneeded __atexit_invalid, andmatthew2013-06-021-10/+4
| | | | | | | move the call_depth decrement so it happens unconditionally and can still return to 0 when called with dso!=NULL. ok millert
* Fix __cxa_finalize() so that calling __cxa_finalize(NULL) properlymatthew2011-03-021-2/+2
| | | | | | invokes handlers registered with __cxa_atexit(). "seems right" deraadt@
* Add missing header to avoid warningchl2007-09-051-1/+2
| | | | ok millert@ ray@
* Add __cxa_atexit() support for gcc3. This provides support for shared ↵millert2007-09-031-9/+84
| | | | object destructors called at dlclose() time. Inspired by similar changes in FreeBSD and NetBSD.
* Avouid a race in atexit() handling by introducing a lock. Problemotto2006-02-221-9/+20
| | | | | originally reported by Gergely Kovacs; help from dhartmei@; ok tedu@ millert@
* Remove obsolete comment. ok deraadt@otto2005-10-261-5/+1
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* zap remaining rcsid.espie2005-08-081-4/+1
| | | | | | Kill old files that are no longer compiled. okay theo
* no longer a need for the free(malloc(1)) hack, because the brk stuffderaadt2005-06-171-9/+5
| | | | | no longer needs initializing (we use mmap for malloc entirely now) noticed by kjell, ok dhartmei, tested by me
* ansi + de-registerpat2005-03-301-9/+7
| | | | ok otto deraadt
* Move __cleanup into mprotect'ed page to prevent unintentional modificationsdhartmei2002-09-141-5/+56
| | | | similar to the atexit handlers. Idea and help deraadt@, ok deraadt@
* missing include, ok theohenning2002-09-061-1/+2
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* re-enable function pointer table protection, this time make sure thatdhartmei2002-08-301-35/+51
| | | | | malloc.c gets the first mmap() call (since it depends on that, for its sbrk(0) use). ok deraadt@
* Back it out, it breaks something in perl (seen with spamassassin), debugdhartmei2002-07-311-46/+35
| | | | first.
* Replace atexit handler. mprotect() the pages so an attempt to modify thedhartmei2002-07-291-35/+46
| | | | | function pointers from the outside will segfault. Idea, hints and feedback from deraadt. ok deraadt.
* Fix RCS idstholo1996-08-191-2/+1
| | | | Make sure everything uses {SYS,}LIBC_SCCS properly
* initial import of NetBSD treederaadt1995-10-181-0/+68
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