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Added __errno_location() when building under Linux - we might adopt this 

as standard, though (and keep errnop() for BeOS compatibility only).


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10914 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2005-01-20 20:12:10 +00:00
parent 6f9587ddeb
commit 5195a9a892
1 changed files with 10 additions and 2 deletions
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12
src/kernel/libroot/posix/errno.c
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@ -1,6 +1,6 @@
/*
** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the OpenBeOS License.
** Copyright 2003-2005, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the MIT License.
*/
/* Provides user space storage for "errno", located in TLS
@ -18,3 +18,11 @@ _errnop(void)
return (int *)tls_address(TLS_ERRNO_SLOT);
}
// This is part of the Linuxbase binary specification
// and is referenced by some code in libgcc.a.
// ToDo: maybe we even want to include this always
#ifdef __linux__
extern int *(*__errno_location)(void) __attribute__ ((weak, alias("_errnop")));
#endif