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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2020-06-28 14:27:36 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2020-06-28 15:11:23 +0000
commit4cafcd839f8c002c290ec96c64b6d85e87e270e8 (patch)
treec05a300192173a1d1f3c593534703aaf0a6c374b /sysdeps/mach/hurd/i386
parent67a78072e2891b8b16a7bfb20675844a5854cff1 (diff)
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hurd: make open and openat cancellation points
and add _nocancel variants.

* sysdeps/mach/hurd/Makefile [io] (sysdep_routines): Add open_nocancel
openat_nocancel.
* sysdeps/mach/hurd/Versions (libc.GLIBC_PRIVATE, ld.GLIBC_PRIVATE): Add
__open_nocancel.
* sysdeps/mach/hurd/dl-sysdep.c (__open_nocancel): Add alias, check it
is not hidden.
* sysdeps/mach/hurd/i386/localplt.data (__open_nocancel): Allow PLT.
* sysdeps/mach/hurd/not-cancel.h (__open_nocancel, __openat_nocancel:
Replace macros with declarations with hidden proto.
(__open64_nocancel, __openat64_nocancel): Call __open_nocancel and
__openat_nocancel instead of __open64 and __openat64.
* sysdeps/mach/hurd/open.c: Include <sysdep-cancel.h>
(__libc_open): Surround __file_name_lookup with enabling async cancel.
* sysdeps/mach/hurd/openat.c: Likewise.
* sysdeps/mach/hurd/open_nocancel.c,
sysdeps/mach/hurd/openat_nocancel.c: New files.
Diffstat (limited to 'sysdeps/mach/hurd/i386')
-rw-r--r--sysdeps/mach/hurd/i386/localplt.data3
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/i386/localplt.data b/sysdeps/mach/hurd/i386/localplt.data
index 66478dee7a..66e9c4f253 100644
--- a/sysdeps/mach/hurd/i386/localplt.data
+++ b/sysdeps/mach/hurd/i386/localplt.data
@@ -17,7 +17,8 @@ ld.so: _dl_catch_exception + REL R_386_GLOB_DAT
 # The dynamic linker has its own versions of basic functions for initial loading
 # of shared libraries.  These need to be overriden by libc once loaded.
 ld.so: __open ?
-ld.so: __open64
+ld.so: __open64 ?
+ld.so: __open_nocancel
 ld.so: __close
 ld.so: __read ?
 ld.so: __read_nocancel