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git-SEM_VALUE_MAX.diff
600
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git-WAIT.diff
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git-barrier-1.diff
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git-bsd4.3-ioctls.diff
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git-clock-cputime.diff
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git-cond_destroy.diff
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git-cthreads-symbols.diff
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git-cthreads.diff
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git-fexecve.diff
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git-fix-longjmp.diff
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git-fork-pthread_exit.diff
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git-futex-internal.diff
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git-holes.diff
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git-hurd-version.diff
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git-hurdsig-SA_SIGINFO.diff
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git-intr-msg-unwind.diff
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git-ld-library-path-checks.dif...
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git-libc-open.diff
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git-libpthread-nodelete.diff
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git-libpthread-testcancel.diff
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git-libpthread_plt.diff
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git-libpthread_syms.diff
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git-lll-initializer.diff
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git-lll-private.diff
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git-lll-ptr.diff
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git-lll-wait-intr.diff
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git-longjmp-onstack.diff
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git-mmap-EINVAL.diff
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git-mmap_addr.diff
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git-posix_openpt.diff
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git-pselect.diff
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git-pthread_atfork-hidden.diff
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git-pthread_get_cleanup_stack....
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git-pthread_link_tests.diff
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git-pthread_self.diff
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git-raise.diff
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git-register-atfork.diff
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git-register-atfork2.diff
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git-sbrk-end.diff
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git-sched_sets.diff
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git-sem-intr.diff
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git-sem-open-init.diff
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git-sem-open.diff
31.92
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git-sem-pshared.diff
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git-siginfo_uesp.diff
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git-sigstate_thread_reference....
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git-spin_lock.diff
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git-ss_init.diff
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git-strtol-test.diff
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git-tiocflush.diff
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git-trunc-times.diff
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git-tst-udp.diff
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git-waitid.diff
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local-ED.diff
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local-disable-ioctls.diff
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local-enable-ldconfig.diff
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local-exec_filename.diff
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local-fix-nss.diff
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local-mach_print.diff
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local-madvise_warn.diff
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local-no-bootstrap-fs-access.d...
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local-no_unsupported_ioctls.di...
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local-tls-ie-align.diff
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local-usr.diff
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submitted-AF_LINK.diff
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submitted-bind_umask2.diff
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submitted-net.diff
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submitted-path_mounted.diff
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sysvshm-lll.diff
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tg-EGREGIOUS-fr.diff
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tg-EIEIO-fr.diff
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tg-bigmem.diff
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tg-bits_atomic.h_multiple_thre...
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tg-bootstrap.diff
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tg-eintr.diff
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tg-hooks.diff
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tg-ifaddrs_v6.diff
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tg-libc_rwlock_recursive.diff
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tg-mach-hurd-link.diff
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tg-sendmsg-SCM_CREDS.diff
8.03
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tg-sysvshm.diff
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tg-thread-cancel.diff
2.81
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tg-unlockpt-chroot.diff
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unsubmitted-clock_t_centisecon...
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unsubmitted-getaux_at_secure.d...
637
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unsubmitted-mremap.diff
838
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unsubmitted-prof-eintr.diff
668
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Code Editor : git-sem-open-init.diff
Submitted for 2.33 commit e453b54b02204e0bc4a36a865ecc0c82058f4f9d Author: Samuel Thibault <samuel.thibault@ens-lyon.org> Date: Sun Dec 13 15:18:16 2020 +0000 pthread: Move semaphore initialization for open to semaphoreP.h This allows to easily reuse all of the sem_open/sem_close/sem_unlink implementations in the various ports. --- nptl/sem_open.c | 12 +----------- nptl/semaphoreP.h | 15 +++++++++++++++ sysdeps/nptl/futex-internal.h | 3 +++ 3 files changed, 19 insertions(+), 11 deletions(-) --- a/nptl/sem_open.c +++ b/nptl/sem_open.c @@ -211,17 +211,7 @@ sem_open (const char *name, int oflag, . struct new_sem newsem; } sem; -#if __HAVE_64B_ATOMICS - sem.newsem.data = value; -#else - sem.newsem.value = value << SEM_VALUE_SHIFT; - sem.newsem.nwaiters = 0; -#endif - /* pad is used as a mutex on pre-v9 sparc and ignored otherwise. */ - sem.newsem.pad = 0; - - /* This always is a shared semaphore. */ - sem.newsem.private = FUTEX_SHARED; + __new_sem_open_init (&sem.newsem, value); /* Initialize the remaining bytes as well. */ memset ((char *) &sem.initsem + sizeof (struct new_sem), '\0', --- a/nptl/semaphoreP.h +++ b/nptl/semaphoreP.h @@ -17,6 +17,7 @@ <https://www.gnu.org/licenses/>. */ #include <semaphore.h> +#include <futex-internal.h> #include "pthreadP.h" #define SEM_SHM_PREFIX "sem." @@ -42,6 +43,20 @@ extern int __sem_mappings_lock attribute /* Comparison function for search in tree with existing mappings. */ extern int __sem_search (const void *a, const void *b) attribute_hidden; +static inline void __new_sem_open_init (struct new_sem *sem, unsigned value) +{ +#if __HAVE_64B_ATOMICS + sem->data = value; +#else + sem->value = value << SEM_VALUE_SHIFT; + sem->nwaiters = 0; +#endif + /* pad is used as a mutex on pre-v9 sparc and ignored otherwise. */ + sem->pad = 0; + + /* This always is a shared semaphore. */ + sem->private = FUTEX_SHARED; +} /* Prototypes of functions with multiple interfaces. */ extern int __new_sem_init (sem_t *sem, int pshared, unsigned int value); --- a/sysdeps/nptl/futex-internal.h +++ b/sysdeps/nptl/futex-internal.h @@ -23,7 +23,10 @@ #include <sys/time.h> #include <stdio.h> #include <stdbool.h> +#include <lowlevellock-futex.h> #include <libc-diag.h> +#include <errno.h> +#include <pthread.h> /* This file defines futex operations used internally in glibc. A futex consists of the so-called futex word in userspace, which is of type
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