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Remove IS_IN_librt

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Replace with IS_IN (librt).  Generated code unchanged on x86_64

        * include/mqueue.h: Use IS_IN instead of IS_IN_librt.
        * nptl/pthreadP.h: Likewise.
        * sysdeps/unix/sysv/linux/aarch64/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/arm/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/hppa/nptl/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise.
        * sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/mips/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/not-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/tile/sysdep-cancel.h: Likewise.
        * sysdeps/unix/sysv/linux/tile/waitpid.S: Likewise.
        * sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h: Likewise.
This commit is contained in:
Siddhesh Poyarekar 2014-11-20 13:26:25 +05:30
parent 9b42a0b3a3
commit 016afc75cd
25 changed files with 73 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
ChangeLog
View File

@ -1,5 +1,32 @@
2014-11-24 Siddhesh Poyarekar <siddhesh@redhat.com>
* include/mqueue.h: Use IS_IN instead of IS_IN_librt.
* nptl/pthreadP.h: Likewise.
* sysdeps/unix/sysv/linux/aarch64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/arm/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/nptl/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/mips/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/not-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/tile/waitpid.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h: Likewise.
* dlfcn/dladdr.c: Use IS_IN.
* dlfcn/dladdr1.c: Likewise.
* dlfcn/dlclose.c: Likewise.

2
include/mqueue.h
View File

@ -1,6 +1,6 @@
#include <rt/mqueue.h>
#ifdef IS_IN_librt
#if IS_IN (librt)
hidden_proto (mq_timedsend)
hidden_proto (mq_timedreceive)
hidden_proto (mq_setattr)

2
nptl/pthreadP.h
View File

@ -308,7 +308,7 @@ __do_cancel (void)
# define LIBC_CANCEL_HANDLED() \
__asm (".globl " __SYMBOL_PREFIX "__pthread_enable_asynccancel"); \
__asm (".globl " __SYMBOL_PREFIX "__pthread_disable_asynccancel")
#elif defined IS_IN_librt
#elif IS_IN (librt)
# define LIBC_CANCEL_ASYNC() \
__librt_enable_asynccancel ()
# define LIBC_CANCEL_RESET(val) \

4
sysdeps/unix/sysv/linux/aarch64/sysdep-cancel.h
View File

@ -22,7 +22,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# undef PSEUDO
# define PSEUDO(name, syscall_name, args) \
@ -89,7 +89,7 @@ ENTRY (name); \
# define CENABLE bl __libc_enable_asynccancel
# define CDISABLE bl __libc_disable_asynccancel
# define __local_multiple_threads __libc_multiple_threads
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE bl __librt_enable_asynccancel
# define CDISABLE bl __librt_disable_asynccancel
# else

4
sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h
View File

@ -21,7 +21,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
/* ??? Assumes that nothing comes between PSEUDO and PSEUDO_END
besides "ret". */
@ -121,7 +121,7 @@ __LABEL($multi_error) \
# define __local_enable_asynccancel __libc_enable_asynccancel
# define __local_disable_asynccancel __libc_disable_asynccancel
# define __local_multiple_threads __libc_multiple_threads
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define __local_enable_asynccancel __librt_enable_asynccancel
# define __local_disable_asynccancel __librt_disable_asynccancel
# else

4
sysdeps/unix/sysv/linux/arm/sysdep-cancel.h
View File

@ -21,7 +21,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
/* NOTE: We do mark syscalls with unwind annotations, for the benefit of
cancellation; but they're really only accurate at the point of the
@ -189,7 +189,7 @@
# define CENABLE bl PLTJMP(__libc_enable_asynccancel)
# define CDISABLE bl PLTJMP(__libc_disable_asynccancel)
# define __local_multiple_threads __libc_multiple_threads
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE bl PLTJMP(__librt_enable_asynccancel)
# define CDISABLE bl PLTJMP(__librt_disable_asynccancel)
# else

8
sysdeps/unix/sysv/linux/hppa/sysdep-cancel.h
View File

@ -22,7 +22,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# ifndef NO_ERROR
# define NO_ERROR -0x1000
@ -228,7 +228,7 @@ L(pre_end): ASM_LINE_SEP \
# define CDISABLE .import __libc_disable_asynccancel,code ASM_LINE_SEP \
bl __libc_disable_asynccancel,%r2 ASM_LINE_SEP
# endif
# elif defined IS_IN_librt
# elif IS_IN (librt)
# ifdef PIC
# define CENABLE .import __librt_enable_asynccancel,code ASM_LINE_SEP \
bl __librt_enable_asynccancel,%r2 ASM_LINE_SEP
@ -248,7 +248,7 @@ L(pre_end): ASM_LINE_SEP \
# define __local_multiple_threads __pthread_multiple_threads
# elif !defined NOT_IN_libc
# define __local_multiple_threads __libc_multiple_threads
# elif IS_IN_librt
# elif IS_IN (librt)
# define __local_multiple_threads __librt_multiple_threads
# else
# error Unsupported library
@ -271,7 +271,7 @@ L(pre_end): ASM_LINE_SEP \
# define NO_CANCELLATION 1
#endif
/* !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt */
/* !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt) */
#ifndef __ASSEMBLER__
# define RTLD_SINGLE_THREAD_P \

4
sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
View File

@ -22,7 +22,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# undef PSEUDO
# define PSEUDO(name, syscall_name, args) \
@ -114,7 +114,7 @@
# elif !defined NOT_IN_libc
# define CENABLE call __libc_enable_asynccancel;
# define CDISABLE call __libc_disable_asynccancel
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE call __librt_enable_asynccancel;
# define CDISABLE call __librt_disable_asynccancel
# else

4
sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h
View File

@ -22,7 +22,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# undef PSEUDO
@ -185,7 +185,7 @@ __GC_##name: \
# elif !defined NOT_IN_libc
# define CENABLE br.call.sptk.many b0 = __libc_enable_asynccancel
# define CDISABLE br.call.sptk.many b0 = __libc_disable_asynccancel
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE br.call.sptk.many b0 = __librt_enable_asynccancel
# define CDISABLE br.call.sptk.many b0 = __librt_disable_asynccancel
# else

2
sysdeps/unix/sysv/linux/ia64/sysdep.h
View File

@ -62,7 +62,7 @@
#if defined USE_DL_SYSINFO \
&& (!defined NOT_IN_libc \
|| defined IS_IN_libpthread || defined IS_IN_librt)
|| defined IS_IN_libpthread || IS_IN (librt))
# define IA64_USE_NEW_STUB
#else
# undef IA64_USE_NEW_STUB

4
sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h
View File

@ -22,7 +22,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# undef PSEUDO
# define PSEUDO(name, syscall_name, args) \
@ -106,7 +106,7 @@
# elif !defined NOT_IN_libc
# define CENABLE PSEUDO_JMP (__libc_enable_asynccancel)
# define CDISABLE PSEUDO_JMP (__libc_disable_asynccancel)
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE PSEUDO_JMP (__librt_enable_asynccancel)
# define CDISABLE PSEUDO_JMP (__librt_disable_asynccancel)
# else

6
sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h
View File

@ -21,9 +21,9 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# if !defined(IS_IN_librt) || !defined(PIC)
# if !IS_IN (librt) || !defined(PIC)
# define AC_STACK_SIZE 16 /* space for r15, async_cancel arg and 2 temp words */
# define AC_SET_GOT /* empty */
# define AC_RESTORE_GOT /* empty */
@ -110,7 +110,7 @@ L(pseudo_cancel): \
# define CENABLE PSEUDO_JMP (__libc_enable_asynccancel)
# define CDISABLE PSEUDO_JMP (__libc_disable_asynccancel)
# define __local_multiple_threads __libc_multiple_threads
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE PSEUDO_JMP (__librt_enable_asynccancel)
# define CDISABLE PSEUDO_JMP (__librt_disable_asynccancel)
# else

4
sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h
View File

@ -27,7 +27,7 @@
happen before any instructions. So we use cfi_same_value instead of
cfi_restore. */
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
#ifdef __PIC__
# undef PSEUDO
@ -216,7 +216,7 @@
# ifdef IS_IN_libpthread
# define CENABLE PSEUDO_JMP (__pthread_enable_asynccancel)
# define CDISABLE PSEUDO_JMP (__pthread_disable_asynccancel)
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE PSEUDO_JMP (__librt_enable_asynccancel)
# define CDISABLE PSEUDO_JMP (__librt_disable_asynccancel)
# else

4
sysdeps/unix/sysv/linux/mips/sysdep-cancel.h
View File

@ -22,7 +22,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# ifdef __PIC__
# define PSEUDO_CPLOAD .cpload t9;
@ -157,7 +157,7 @@
# ifdef IS_IN_libpthread
# define CENABLE PSEUDO_JMP (__pthread_enable_asynccancel)
# define CDISABLE PSEUDO_JMP (__pthread_disable_asynccancel)
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE PSEUDO_JMP (__librt_enable_asynccancel)
# define CDISABLE PSEUDO_JMP (__librt_disable_asynccancel)
# else

2
sysdeps/unix/sysv/linux/not-cancel.h
View File

@ -19,7 +19,7 @@
#include <sysdep.h>
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
extern int __open_nocancel (const char *, int, ...) attribute_hidden;
extern int __close_nocancel (int) attribute_hidden;
extern int __read_nocancel (int, void *, size_t) attribute_hidden;

4
sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
View File

@ -23,7 +23,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# undef PSEUDO
# define PSEUDO(name, syscall_name, args) \
@ -87,7 +87,7 @@
# elif !defined NOT_IN_libc
# define CENABLE bl __libc_enable_asynccancel@local
# define CDISABLE bl __libc_disable_asynccancel@local
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE bl __librt_enable_asynccancel@local
# define CDISABLE bl __librt_disable_asynccancel@local
# else

4
sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
View File

@ -23,7 +23,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# ifdef HAVE_ASM_GLOBAL_DOT_NAME
# define DASHDASHPFX(str) .__##str
@ -115,7 +115,7 @@
# define CENABLE bl JUMPTARGET(__libc_enable_asynccancel); nop
# define CDISABLE bl JUMPTARGET(__libc_disable_asynccancel); nop
# endif
# elif defined IS_IN_librt
# elif IS_IN (librt)
# ifdef SHARED
# define CENABLE bl JUMPTARGET(__librt_enable_asynccancel)
# define CDISABLE bl JUMPTARGET(__librt_disable_asynccancel)

4
sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h
View File

@ -22,7 +22,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# undef PSEUDO
# define PSEUDO(name, syscall_name, args) \
@ -81,7 +81,7 @@ L(pseudo_end):
# elif !defined NOT_IN_libc
# define CENABLE __libc_enable_asynccancel
# define CDISABLE __libc_disable_asynccancel
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE __librt_enable_asynccancel
# define CDISABLE __librt_disable_asynccancel
# else

4
sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
View File

@ -22,7 +22,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# undef PSEUDO
# define PSEUDO(name, syscall_name, args) \
@ -77,7 +77,7 @@ L(pseudo_end):
# define CENABLE __libc_enable_asynccancel
# define CDISABLE __libc_disable_asynccancel
# define __local_multiple_threads __libc_multiple_threads
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE __librt_enable_asynccancel
# define CDISABLE __librt_disable_asynccancel
# else

4
sysdeps/unix/sysv/linux/sh/sysdep-cancel.h
View File

@ -21,7 +21,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# define _IMM12 #-12
# define _IMM16 #-16
@ -111,7 +111,7 @@
# elif !defined NOT_IN_libc
# define __local_enable_asynccancel __libc_enable_asynccancel
# define __local_disable_asynccancel __libc_disable_asynccancel
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define __local_enable_asynccancel __librt_enable_asynccancel
# define __local_disable_asynccancel __librt_disable_asynccancel
# else

4
sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h
View File

@ -22,7 +22,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# undef PSEUDO
# define PSEUDO(name, syscall_name, args) \
@ -74,7 +74,7 @@ __##syscall_name##_nocancel: \
# elif !defined NOT_IN_libc
# define CENABLE call __libc_enable_asynccancel
# define CDISABLE call __libc_disable_asynccancel
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE call __librt_enable_asynccancel
# define CDISABLE call __librt_disable_asynccancel
# else

4
sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
View File

@ -22,7 +22,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
# undef PSEUDO
# define PSEUDO(name, syscall_name, args) \
@ -72,7 +72,7 @@ __##syscall_name##_nocancel: \
# elif !defined NOT_IN_libc
# define CENABLE call __libc_enable_asynccancel
# define CDISABLE call __libc_disable_asynccancel
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE call __librt_enable_asynccancel
# define CDISABLE call __librt_disable_asynccancel
# else

4
sysdeps/unix/sysv/linux/tile/sysdep-cancel.h
View File

@ -22,7 +22,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
/* Allow hacking in some extra code if desired. */
#ifndef PSEUDO_EXTRA
@ -120,7 +120,7 @@
# ifdef IS_IN_libpthread
# define CENABLE jal __pthread_enable_asynccancel
# define CDISABLE jal __pthread_disable_asynccancel
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE jal __librt_enable_asynccancel
# define CDISABLE jal __librt_disable_asynccancel
# else

2
sysdeps/unix/sysv/linux/tile/waitpid.S
View File

@ -1,7 +1,7 @@
/*
extern pid_t __waitpid_nocancel (pid_t, int *, int) attribute_hidden;
*/
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
/* Call __NR_wait4, providing fourth argument (struct rusage *) as NULL. */
#define PSEUDO_EXTRA move r3, zero;

4
sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h
View File

@ -22,7 +22,7 @@
# include <nptl/pthreadP.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
#if !defined NOT_IN_libc || defined IS_IN_libpthread || IS_IN (librt)
/* The code to disable cancellation depends on the fact that the called
functions are special. They don't modify registers other than %rax
@ -67,7 +67,7 @@
# define CENABLE call __libc_enable_asynccancel;
# define CDISABLE call __libc_disable_asynccancel;
# define __local_multiple_threads __libc_multiple_threads
# elif defined IS_IN_librt
# elif IS_IN (librt)
# define CENABLE call __librt_enable_asynccancel;
# define CDISABLE call __librt_disable_asynccancel;
# else