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authorRich Felker <dalias@aerifal.cx>2018-10-16 13:48:10 -0400
committerRich Felker <dalias@aerifal.cx>2018-10-16 14:10:27 -0400
commitbf453d68393f7eea5965319e21311e56d71fa53c (patch)
tree3a71e0b3d8251b38863f71dbc634e3ed3dbba98d /include/pthread.h
parent1c84c99913bf1cd47b866ed31e665848a0da84a2 (diff)
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restore attribute((const)) to pthread_self and errno location decls
revert commit a603a75a72bb469c6be4963ed1b55fabe675fe15.

as a result of commit 1c84c99913bf1cd47b866ed31e665848a0da84a2 this is
now safe, assuming an interpretation of the somewhat-underspecified
attribute((const)) consistent with real-world usage.
Diffstat (limited to 'include/pthread.h')
-rw-r--r--include/pthread.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/pthread.h b/include/pthread.h
index bba9587e..e238321b 100644
--- a/include/pthread.h
+++ b/include/pthread.h
@@ -79,6 +79,9 @@ int pthread_detach(pthread_t);
 _Noreturn void pthread_exit(void *);
 int pthread_join(pthread_t, void **);
 
+#ifdef __GNUC__
+__attribute__((const))
+#endif
 pthread_t pthread_self(void);
 
 int pthread_equal(pthread_t, pthread_t);