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nptl: Fix pthread_create.c build with clang

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clang complains that libc_hidden_data_def (__nptl_threads_events)
creates an invalid alias:

  pthread_create.c:50:1: error: alias must point to a defined variable or function
  libc_hidden_data_def (__nptl_threads_events)
  ^
  ../include/libc-symbols.h:621:37: note: expanded from macro
  'libc_hidden_data_def'

It seems that clang requires that a proper prototype is defined prior
the hidden alias creation.

Reviewed-by: Fangrui Song <maskray@google.com>
This commit is contained in:
Adhemerval Zanella 2022-10-25 11:07:59 -03:00
parent 8161978f89
commit 3d8b5dde87
1 changed files with 4 additions and 2 deletions
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6
nptl/pthread_create.c
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@ -45,13 +45,15 @@
/* Globally enabled events. */
td_thr_events_t __nptl_threads_events;
extern td_thr_events_t __nptl_threads_events;
libc_hidden_proto (__nptl_threads_events)
td_thr_events_t __nptl_threads_events;
libc_hidden_data_def (__nptl_threads_events)
/* Pointer to descriptor with the last event. */
struct pthread *__nptl_last_event;
extern struct pthread *__nptl_last_event;
libc_hidden_proto (__nptl_last_event)
struct pthread *__nptl_last_event;
libc_hidden_data_def (__nptl_last_event)
#ifdef SHARED