50 lines
1.0 KiB
C
50 lines
1.0 KiB
C
#ifndef _ERRNO_H
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#include <stdlib/errno.h>
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#if defined _ERRNO_H && !defined _ISOMAC && !defined __cplusplus
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# ifdef IS_IN_rtld
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# include <dl-sysdep.h>
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# endif
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# if RTLD_PRIVATE_ERRNO
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/* The dynamic linker uses its own private errno variable.
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All access to errno inside the dynamic linker is serialized,
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so a single (hidden) global variable is all it needs. */
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# undef errno
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# define errno rtld_errno
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extern int rtld_errno attribute_hidden;
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# else
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# include <tls.h>
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# if USE___THREAD
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# undef errno
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# ifndef NOT_IN_libc
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# define errno __libc_errno
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# else
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# define errno errno /* For #ifndef errno tests. */
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# endif
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extern __thread int errno attribute_tls_model_ie;
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# endif
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# endif /* RTLD_PRIVATE_ERRNO */
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# define __set_errno(val) (errno = (val))
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# ifndef __ASSEMBLER__
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extern int *__errno_location (void) __THROW __attribute__ ((__const__))
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# if RTLD_PRIVATE_ERRNO
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attribute_hidden
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# endif
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;
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libc_hidden_proto (__errno_location)
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# endif
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#endif /* _ERRNO_H */
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#endif /* ! _ERRNO_H */
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