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errno: use staic errno to replace tl_errno before tls initialization

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Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
This commit is contained in:
Jiuzhu Dong 2021-09-09 21:03:42 +08:00 committed by Xiang Xiao
parent 34397094d7
commit d8ea482b58
2 changed files with 8 additions and 2 deletions
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8
libs/libc/errno/lib_errno.c
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@ -29,6 +29,12 @@
#include <arch/tls.h> #include <arch/tls.h>
/****************************************************************************
* Private Data
****************************************************************************/
static int g_errno;
/**************************************************************************** /****************************************************************************
* Public Functions * Public Functions
****************************************************************************/ ****************************************************************************/
@ -57,5 +63,5 @@ FAR int *__errno(void)
/* And return the return refernce to the error number */ /* And return the return refernce to the error number */
return &tlsinfo->tl_errno; return tlsinfo ? &tlsinfo->tl_errno : &g_errno;
} }