| Age | Commit message (Collapse) | Author |
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2003-06-07 Ulrich Drepper <drepper@redhat.com>
* cleanup_routine.c: New file.
* Versions (libpthread) [GLIBC_2.3.3]: Add __pthread_cleanup_routine.
* sysdeps/pthread/pthread.h: Add support for fully exception-based
cleanup handling.
* Makefile (libpthread-routines): Add cleanup_routine.
Add more CFLAGS variables to compile with exceptions. Add comments
why which file needs unwind tables.
(tests) [have-forced-unwind==yes]: Add tst-cancelx* and tst-cleanupx*
tests.
* tst-cancelx1.c: New file.
* tst-cancelx2.c: New file.
* tst-cancelx3.c: New file.
* tst-cancelx4.c: New file.
* tst-cancelx5.c: New file.
* tst-cancelx6.c: New file.
* tst-cancelx7.c: New file.
* tst-cancelx8.c: New file.
* tst-cancelx9.c: New file.
* tst-cancelx10.c: New file.
* tst-cancelx11.c: New file.
* tst-cancelx12.c: New file.
* tst-cancelx13.c: New file.
* tst-cancelx14.c: New file.
* tst-cancelx15.c: New file.
* tst-cleanupx0.c: New file.
* tst-cleanupx0.expect: New file.
* tst-cleanupx1.c: New file.
* tst-cleanupx2.c: New file.
* tst-cleanupx3.c: New file.
* tst-cleanup0.c: Make standard compliant.
* tst-cleanup1.c: Likewise.
* sysdeps/unix/sysv/linux/sem_timedwait.c: Add cancellation support.
* sysdeps/unix/sysv/linux/sem_wait.c: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Likewise.
* sysdeps/i386/tcb-offsets.sym: Add RESULT, CANCELHANDLING, and
CLEANUP_JMP_BUF.
* sysdeps/x86_64/tcb-offsets.sym: Likewise.
* tst-cancel12.c: New file.
* tst-cancel13.c: New file.
* tst-cancel14.c: New file.
* tst-cancel15.c: New file.
* Makefile (tests): Add tst-cancel12, tst-cancel13, tst-cancel14,
and tst-cancel15.
* tst-cancel1.c: Add some comments.
* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Compute relative
timeout correctly.
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2003-06-05 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h (pthread_rwlock_t):
Change type of __writer element to int.
* sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h: Likewise.
* sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: Likewise.
* sysdeps/i386/tcb-offsets.sym: Replace SELF entry with TID entry.
* sysdeps/x86_64/tcb-offsets.sym: Likewise.
* pthread_rwlock_trywrlock.c: Store TID not self pointer in __writer.
Compare with TID to determine deadlocks.
* sysdeps/pthread/pthread_rwlock_rdlock.c: Likewise.
* sysdeps/pthread/pthread_rwlock_timedrdlock.c: Likewise.
* sysdeps/pthread/pthread_rwlock_timedwrlock.: Likewise.
* sysdeps/pthread/pthread_rwlock_wrlock.c: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S:
Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S:
Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S:
Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S:
Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: Likewise.
* Makefile (tests): Add tst-rwlock12.
* tst-rwlock12.c: New file.
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* test-skeleton.c (main): Request getopt to not reorder the
command line.
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* Makefile (tests): Add tst-sem8 and tst-sem9.
* tst-sem8.c: New file.
* tst-sem9.c: New file.
* sem_open.c: Fix creation of in_use record if the file exists but
no internal record.
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* Makefile (tests): Add tst-signal6.
* tst-signal6.c: New file.
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2003-05-17 Ulrich Drepper <drepper@redhat.com>
* sem_open.c: Fix one endless loop. Implement correct semantics
wrt opening the same semaphore more then once.
* sem_close.c: Adjust for sem_open change.
* semaphoreP.h: Include <semaphore.h>. Define struct inuse_sem.
Declare __sem_mappings, __sem_mappings_lock, __sem_search.
* Makefile (tests): Add tst-sem7.
* tst-sem7.c: New file.
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2003-05-14 Ulrich Drepper <drepper@redhat.com>
* Makefile ($(objpfx)$(multidir)): Add rule to create the directory.
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2003-05-14 Jakub Jelinek <jakub@redhat.com>
* elf/rtld.c (dl_main): For LD_TRACE_PRELINKING print search scope
even if no DT_NEEDED is present.
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* posix/sched.h: Change prototypes of sched_getaffinity and
sched_setaffinity. Define CPU_SET, CPU_CLR, CPU_ISSET, and CPU_ZERO.
* sysdeps/generic/sched_getaffinity.c: Adjust definition.
* sysdeps/generic/sched_setaffinity.c: Likewise.
* sysdeps/generic/bits/sched.h: Define __CPU_SETSIZE, __NCPUBITS,
__CPUELT, __CPUMASK, cpu_set_t, __cpu_mask, __CPU_ZERO, __CPU_SET,
__CPU_CLR, and __CPU_ISSET.
* sysdeps/unix/sysv/linux/bits/sched.h: Likewise.
* sysdeps/unix/sysv/linux/sched_getaffinity.c: New file.
* sysdeps/unix/sysv/linux/sched_setaffinity.c: New file.
* include/atomic.h (atomic_exchange_acq): Renamed from atomic_exchange.
(atomic_exchange_rel): New #define.
* sysdeps/ia64/bits/atomic.h: Likewise.
* sysdeps/i386/i486/bits/atomic.h (atomic_exchange_acq): Renamed from
atomic_exchange.
* sysdeps/m68k/m68020/bits/atomic.h: Likewise.
* sysdeps/powerpc/bits/atomic.h: Likewise.
* sysdeps/sparc/sparc32/sparcv9/bits/atomic.h: Likewise.
* sysdeps/sparc/sparc64/bits/atomic.h: Likewise.
* sysdeps/x86_64/bits/atomic.h: Likewise.
* csu/tst-atomic.c: Use atomic_exchange_acq instead of atomic_exchange.
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Depend on $(before-compile).
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* Makefile ($(test-modules)): Depend on $(common-objpfx)shlib.lds.
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2003-04-13 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Add
unwind info.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise.
* Makefile: Make sure all cancellation points are compiled with
exception and asynchronous unwind tables.
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2003-04-11 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/libc-start.c: Cleanup MAIN_AUXVEC_ARG handling.
Remove HAVE_CANCELBUF code. Replace with code using the new
initializers for unwind-based cleanup handling.
* sysdeps/generic/unwind.h: Update from latest gcc version.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Define labels in a few
places to allow unwind data generation.
* sysdeps/i386/bits/setjmp.h: Allow file to be included multiple times.
* sysdeps/x86_64/bits/setjmp.h: Likewise.
* sysdeps/sh/bits/setjmp.h: Likewise.
* sysdeps/powerpc/bits/setjmp.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/setjmp.h: Likewise.
* sysdeps/alpha/bits/setjmp.h: Likewise.
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* Makefile ($(objpfx)multidir.mk): New target, generated makefile that
sets variable `multidir'; include that.
(generated): Add it.
($(objpfx)$(multidir)/crti.o): New target.
[$(multidir) != .] (generated-dirs, extra-objs, omit-deps): Add it.
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2003-04-09 Ulrich Drepper <drepper@redhat.com>
* Makefile (tests): Add tst-detach1.
* tst-detach1.c: New file.
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2003-04-03 Ulrich Drepper <drepper@redhat.com>
* init.c (sigcancel_handler): Don't set EXITING_BIT here.
* libc-cancellation.c (__libc_enable_asynccancel): Likewise.
* pthreadP.h (__do_cancel): Set EXITING_BIT here.
* Makefile (tests): Add tst-cancel11.
* tst-cancel11.c: New file.
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2003-04-01 Ulrich Drepper <drepper@redhat.com>
* pthread_create.c (deallocate_tsd): Clear/free memory after the last
round, not the first. Use specific_used flag instead of local
found_nonzero variable. Use THREAD_[SG]ETMEM where possible.
(__free_tcb): Don't call deallocate_tsd here.
(start_thread): Call deallocate_tsd here.
* pthread_setspecific.c: Set specific_used flag really only when
needed.
* Makefile (tests): Add tst-tsd3.c
* tst-tsd3.c: New file.
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* sysdeps/unix/sysv/linux/ia64/lowlevellock.h (__lll_mutex_lock):
Use atomic_exchange_and_add instead of __lll_add.
(__lll_mutex_timedlock): Likewise.
Patch by Ian Wienand.
2003-03-24 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
(SINGLE_THREAD_P): Fix typo.
* tst-cancel-wrappers.sh: Handle '.'ed symbols.
2003-03-31 Ulrich Drepper <drepper@redhat.com>
* Makefile (tests): Add tst-align.
* tst-align.c: New file.
* sysdeps/i386/Makefile: Define CFLAGS-tst-align.
* sysdeps/x86_64/Makefile: Likewise.
* tst-tsd2.c: Add casts to avoid warnings.
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(libpthread-static-only-routines): Add pthread_atfork.
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* Makefile (tests): Add tst-cond11.
* tst-cond11.c: New file.
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2003-03-18 Ulrich Drepper <drepper@redhat.com>
* pthread_condattr_getclock.c: New file.
* pthread_condattr_setclock.c: New file.
* sysdeps/pthread/pthread.h: Declare these new functions.
* Versions [GLIBC_2.3.3] (libpthread): Add the new functions.
* Makefile (libpthread-routines): Add the new functions.
* sysdeps/unix/sysv/linux/internaltypes.h (struct pthread_condattr):
Renamed field to value. Document use of the bits.
* pthread_condattr_getpshared.c: Adjust for struct pthread_condattr
change.
* pthread_condattr_setpshared.c: Likewise.
* sysdeps/unix/sysv/linux/lowlevelcond.sym: Add cond_clock symbol.
* sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h (pthread_cond_t):
Add __clock field.
* sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h: Likewise.
* sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h: Likewise.
* sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S:
Implement clock selection.
* sysdeps/pthread/pthread_cond_timedwait.c: Likewise.
* pthread-errnos.sym: Add ENOSYS.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
_POSIX_CLOCK_SELECTION.
* sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Remove
invalid .size directive.
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* pthread_create.c (__pthread_keys): Likewise.
* init.c [__powerpc__] (__NR_set_tid_address): Define it.
* tst-fork4.c: New file.
* Makefile (tests): Add it.
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* Makefile (gen-as-const-headers): New variable, list that file.
* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Include generated
header <pthread-errnos.h> instead of defining errno values here.
* sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S:
Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S:
Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/lowlevelmutex.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_post.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/sem_trywait.S: Likewise.
* sysdeps/unix/sysv/linux/sh/sem_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/sh/sem_post.S: Likewise.
* sysdeps/unix/sysv/linux/sh/sem_wait.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/lowlevelmutex.S: Likewise.
* sysdeps/i386/i486/pthread_spin_trylock.S: Likewise.
* sysdeps/x86_64/pthread_spin_trylock.S: Likewise.
* sysdeps/sh/pthread_spin_trylock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: Likewise.
* sysdeps/unix/sysv/linux/fork.c: Add an assert to check that
CLONE_CHILD_SETTID worked.
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* pthread-errnos.sym: New file.
* Makefile (gen-as-const-headers): New variable, list that file.
* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Include generated
header <pthread-errnos.h> instead of defining errno values here.
* sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S:
Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S:
Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/lowlevelmutex.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_post.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/sem_trywait.S: Likewise.
* sysdeps/unix/sysv/linux/sh/sem_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/sh/sem_post.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/lowlevellock.S: Likewise.
* sysdeps/i386/i486/pthread_spin_trylock.S: Likewise.
* sysdeps/x86_64/pthread_spin_trylock.S: Likewise.
* sysdeps/sh/pthread_spin_trylock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: Likewise.
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* po/da.po: Likewise.
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2003-02-27 Ulrich Drepper <drepper@redhat.com>
* sunrpc/svc_udp.c (svcudp_recv): Remove all control messages
except the PKTINFO. Reset interface in PKTINFO.
* elf/elf.h: Add new R_PPC64_* relocs for TLS.
* elf/tls-macros.h [__powerpc64__] (TLS_LE, TLS_IE, TLS_LD, TLS_GD):
Define.
* sysdeps/powerpc/elf/libc-start.c (__libc_start_main):
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* Makefile (tests): Add tst-dlsym1.
* tst-dlsym1.c: New file.
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* Makefile: Add rules to build and run tst-tls3.
* tst-tls3.c: New file.
* tst-tls3mod.c: New file.
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2003-02-24 Ulrich Drepper <drepper@redhat.com>
* Makefile (tests): Add tst-rwlock8 and tst-rwlock9.
* tst-rwlock8.c: New file.
* tst-rwlock9.c: New file.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Fix
complete broken rwlock implementation.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S:
Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S:
Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Likewise.
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* Makefile (nptl-version): Change regexp so case sensitivity is ok.
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* Makefile (tests): Add tst-context1.
* tst-context1.c: New file.
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* Makefile (tests): Add tst-tls1 and tst-tls2.
* tst-tls1.c: New file.
* tst-tls2.c: New file.
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* iconv/iconv_prog.c (main): Unify messages.
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* Makefile (tests): Add tst-eintr1.
(distribute): Add eintr.c.
* tst-eintr1.c: New file.
* eintr.c: New file.
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2003-02-21 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/getuid.c: Use INTERNAL_SYSCALL and do
not chechk for errors (unless testing for 32bit variant).
* sysdeps/unix/sysv/linux/i386/getgid.c: Likewise.
* sysdeps/unix/sysv/linux/i386/geteuid.c: Likewise.
* sysdeps/unix/sysv/linux/i386/getegid.c: Likewise.
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2003-02-21 Ulrich Drepper <drepper@redhat.com>
* Makefile (tests): Remove tst-basic7. Add tst-kill1, tst-kill2,
tst-kill3, tst-kill4.
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* Makefile (install-lib-ldscripts): New variable.
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2003-02-20 Ulrich Drepper <drepper@redhat.com>
* pthread_create.c (deallocate_tsd): Clear the entire first block
of TSD.
* Makefile (tests): Add tst-key4.
* tst-key4.c: New file.
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2003-02-18 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/ttyname_r.c (__ttyname_r): Recognize
invalid file descriptors and missing access permissions.
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* Makefile (tests): Add tst-signal5.
* tst-signal5.c: New file.
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2003-02-17 Ulrich Drepper <drepper@redhat.com>
* Makefile (tests): Add tst-basic6.
* tst-basic6.c: New file.
* tst-basic1.c: Add test for process ID.
* Makefile (tests): Add tst-cancel10.
* tst-cancel10.c: New file.
* Makefile (tests): Add tst-signal4.
* tst-signal4.c: New file.
* sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Use
__sigismember instead of sigismember. Add __builtin_expect.
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2003-02-16 Ulrich Drepper <drepper@redhat.com>
* libc-cancellation.c (__libc_enable_asynccancel): Rwrite to avoid
going into an endless loop.
* Makefile (tests): Add tst-cancel9.
* tst-cancel9.c: New file.
* pthread_cancel.c (pthread_cancel): Use the result of __pthread_kill.
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* Makefile (tests): Add tst-clock1.
* tst-clock1.c: New file.
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2003-02-15 Ulrich Drepper <drepper@redhat.com>
* pthread_setconcurrency.c (pthread_setconcurrency): Fail for
negative arguments.
* Makefile (tests): Add tst-basic5.
* tst-basic5.c: New file.
after thread is done. If then zero, call exit(0).
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* math/libm-test.inc (nextafter_test): New test, but disabled due
to gcc bug.
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2003-02-14 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/libc-start.c [HAVE_PTR_NTHREADS]: Decrement thread
counter and only call __exit_thread if this is not the last thread.
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* descr.h: Define CANCELING_BIT and CANCELING_BITMASK. Introduce
after CANCELTYPE_BIT, move the other bits up. Update CANCEL_RESTMASK.
* init.c (sigcancel_handler): Also set CANCELING_BITMASK bit in newval.
* pthread_cancel.c (pthread_cancel): Likewise. Also set CANCELING_BIT
if asynchronous canceling is enabled.
* pthread_join.c (pthread_join): When recognizing circular joins,
take into account the other thread might be already canceled.
* Makefile (tests): Add tst-join5.
* tst-join5.c: New file.
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