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| author | Florian Weimer <fweimer@redhat.com> | 2020-02-09 16:38:33 +0100 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2020-03-03 12:49:44 +0100 |
| commit | b03604b1b8c92d9af2d61d09654b06fccdeac8d5 (patch) | |
| tree | d5daaddb97a467e429942e28f0470c26df21c427 /sysdeps/nptl/fork.c | |
| parent | 75376039be338702ed8904800fdcd3f1bc103ca7 (diff) | |
| download | glibc-b03604b1b8c92d9af2d61d09654b06fccdeac8d5.tar.gz glibc-b03604b1b8c92d9af2d61d09654b06fccdeac8d5.tar.xz glibc-b03604b1b8c92d9af2d61d09654b06fccdeac8d5.zip | |
Linux: set_robust_list syscall number is always available
Due to the built-in tables, __NR_set_robust_list is always defined (although it may not be available at run time). Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/nptl/fork.c')
| -rw-r--r-- | sysdeps/nptl/fork.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/sysdeps/nptl/fork.c b/sysdeps/nptl/fork.c index f5cf88d68c..5091a000e3 100644 --- a/sysdeps/nptl/fork.c +++ b/sysdeps/nptl/fork.c @@ -83,7 +83,6 @@ __libc_fork (void) if (__fork_generation_pointer != NULL) *__fork_generation_pointer += __PTHREAD_ONCE_FORK_GEN_INCR; -#ifdef __NR_set_robust_list /* Initialize the robust mutex list setting in the kernel which has been reset during the fork. We do not check for errors because if it fails here, it must have failed at process startup as well and @@ -94,19 +93,18 @@ __libc_fork (void) inherit the correct value from the parent. We do not need to clear the pending operation because it must have been zero when fork was called. */ -# if __PTHREAD_MUTEX_HAVE_PREV +#if __PTHREAD_MUTEX_HAVE_PREV self->robust_prev = &self->robust_head; -# endif +#endif self->robust_head.list = &self->robust_head; -# ifdef SHARED +#ifdef SHARED if (__builtin_expect (__libc_pthread_functions_init, 0)) PTHFCT_CALL (ptr_set_robust, (self)); -# else +#else extern __typeof (__nptl_set_robust) __nptl_set_robust __attribute__((weak)); if (__builtin_expect (__nptl_set_robust != NULL, 0)) __nptl_set_robust (self); -# endif #endif /* Reset the lock state in the multi-threaded case. */ |