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nptl: Remove tst-cancel-wrappers test and related macros

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With upcoming BZ#12683 fix, syscall cancellation is not more handled
by {libc,pthread,librt}_{enable,disable}_asynccancel symbols.  This renders
both LIBC_CANCEL_HANDLED and empty declaration and tst-cancel-wrappers.sh
unrequired.  This patch removes both the macro and the nptl test.

Checked on x86_64-linux-gnu.

	* io/creat.c (LIBC_CANCEL_HANDLED): Remove macro.
	* io/ppoll.c (LIBC_CANCEL_HANDLED): Likewise.
	* misc/pselect.c (LIBC_CANCEL_HANDLED): Likewise.
	* nptl/pthreadP.h (LIBC_CANCEL_HANDLED): Likewise.
	* sysdeps/generic/sysdep-cancel.h (LIBC_CANCEL_HANDLED): Likewise.
	* sysdeps/mach/hurd/sysdep-cancel.h (LIBC_CANCEL_HANDLED): Likewise.
	* sysdeps/posix/pause.c (LIBC_CANCEL_HANDLED): Likewise.
	* sysdeps/posix/sigpause.c (LIBC_CANCEL_HANDLED): Likewise.
	* sysdeps/unix/sysv/linux/creat.c (LIBC_CANCEL_HANDLED): Likewise.
	* sysdeps/unix/sysv/linux/creat64.c (LIBC_CANCEL_HANDLED): Likewise.
	* sysdeps/unix/sysv/linux/sigwait.c (LIBC_CANCEL_HANDLED): Likewise.
	* sysdeps/unix/sysv/linux/sigwaitinfo.c (LIBC_CANCEL_HANDLED):
	Likewise.
	* nptl/Makefile [$(run-built-tests) = yes] (tests-special): Remove
	tst-cancel-wrappers.sh.
	(generated): Remove tst-cancel-wrappers.out.
	(tst-cancel-wrappers.out): Remove rule.
	* nptl/tst-cancel-wrappers.sh: Remove file.
This commit is contained in:
Adhemerval Zanella
2018-05-08 16:28:18 -03:00
parent 7d7af8f17d
commit 17cc27d5b7
15 changed files with 23 additions and 142 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
nptl/pthreadP.h
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@ -325,27 +325,17 @@ __do_cancel (void)
/* Same as CANCEL_RESET, but for use in libc.so. */
# define LIBC_CANCEL_RESET(oldtype) \
__libc_disable_asynccancel (oldtype)
# define LIBC_CANCEL_HANDLED() \
__asm (".globl " __SYMBOL_PREFIX "__libc_enable_asynccancel"); \
__asm (".globl " __SYMBOL_PREFIX "__libc_disable_asynccancel")
#elif IS_IN (libpthread)
# define LIBC_CANCEL_ASYNC() CANCEL_ASYNC ()
# define LIBC_CANCEL_RESET(val) CANCEL_RESET (val)
# define LIBC_CANCEL_HANDLED() \
__asm (".globl " __SYMBOL_PREFIX "__pthread_enable_asynccancel"); \
__asm (".globl " __SYMBOL_PREFIX "__pthread_disable_asynccancel")
#elif IS_IN (librt)
# define LIBC_CANCEL_ASYNC() \
__librt_enable_asynccancel ()
# define LIBC_CANCEL_RESET(val) \
__librt_disable_asynccancel (val)
# define LIBC_CANCEL_HANDLED() \
__asm (".globl " __SYMBOL_PREFIX "__librt_enable_asynccancel"); \
__asm (".globl " __SYMBOL_PREFIX "__librt_disable_asynccancel")
#else
# define LIBC_CANCEL_ASYNC() 0 /* Just a dummy value. */
# define LIBC_CANCEL_RESET(val) ((void)(val)) /* Nothing, but evaluate it. */
# define LIBC_CANCEL_HANDLED() /* Nothing. */
#endif