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| author | Rich Felker <dalias@aerifal.cx> | 2011-08-03 19:57:46 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-08-03 19:57:46 -0400 |
| commit | 5f37fc132a8f41994f37b6712feb2d4fd34c2be0 (patch) | |
| tree | aaaa1a58cb009684d183ee7cb21b805c540f6a3e /src/thread/i386/cancellation.s | |
| parent | 56385dd5feb4292183c48f62355e1ce4d796957e (diff) | |
| download | musl-5f37fc132a8f41994f37b6712feb2d4fd34c2be0.tar.gz musl-5f37fc132a8f41994f37b6712feb2d4fd34c2be0.tar.bz2 musl-5f37fc132a8f41994f37b6712feb2d4fd34c2be0.tar.xz musl-5f37fc132a8f41994f37b6712feb2d4fd34c2be0.zip | |
further debloat cancellation handlers
cleanup push and pop are also no-ops if pthread_exit is not reachable.
this can make a big difference for library code which needs to protect
itself against cancellation, but which is unlikely to actually be used
in programs with threads/cancellation.
Diffstat (limited to 'src/thread/i386/cancellation.s')
| -rw-r--r-- | src/thread/i386/cancellation.s | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/thread/i386/cancellation.s b/src/thread/i386/cancellation.s new file mode 100644 index 00000000..75dc6091 --- /dev/null +++ b/src/thread/i386/cancellation.s @@ -0,0 +1,34 @@ +.text +.global __pthread_register_cancel +.type __pthread_register_cancel,@function +__pthread_register_cancel: + pushl %eax + call __pthread_do_register + popl %eax + ret + +.global __pthread_unregister_cancel +.type __pthread_unregister_cancel,@function +__pthread_unregister_cancel: + pushl %eax + call __pthread_do_unregister + popl %eax + ret + +.global __pthread_unwind_next +.type __pthread_unwind_next,@function +__pthread_unwind_next: + pushl %eax + call __pthread_do_unwind + popl %eax +__pthread_do_unwind: +__pthread_do_register: +__pthread_do_unregister: + ret + +.weak __pthread_do_unwind +.weak __pthread_do_register +.weak __pthread_do_unregister +.type __pthread_do_unwind,@function +.type __pthread_do_register,@function +.type __pthread_do_unregister,@function |