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include/errno.h
45 строк
1 KB
Florian Weimer
stdlib: Do not use GLIBC_PRIVATE ABI for errno in libc_nonshared.a
06 сен 2024, 15:07
06 сен 2024, 15:07
7d6e30b
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#ifndef _ERRNO_H #include <stdlib/errno.h> #if !defined _ISOMAC && !defined __ASSEMBLER__ # if IS_IN (rtld) # include <dl-sysdep.h> # ifndef RTLD_PRIVATE_ERRNO # error "dl-sysdep.h must define RTLD_PRIVATE_ERRNO!" # endif # else # define RTLD_PRIVATE_ERRNO 0 # endif # if RTLD_PRIVATE_ERRNO /* The dynamic linker uses its own private errno variable. All access to errno inside the dynamic linker is serialized, so a single (hidden) global variable is all it needs. */ # undef errno # define errno rtld_errno extern int rtld_errno attribute_hidden; # elif IS_IN_LIB && !IS_IN (rtld) && !defined LIBC_NONSHARED # undef errno # if IS_IN (libc) # define errno __libc_errno # else # define errno errno /* For #ifndef errno tests. */ # endif extern __thread int errno attribute_tls_model_ie; # endif /* IS_IN_LIB */ # define __set_errno(val) (errno = (val)) extern int *__errno_location (void) __THROW __attribute_const__ # if RTLD_PRIVATE_ERRNO attribute_hidden # endif ; libc_hidden_proto (__errno_location) #endif /* !_ISOMAC && !__ASSEMBLER__ */ #endif /* !_ERRNO_H */