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LibC: Make "errno" thread-specific

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Now that the kernel supports thread-local storage, we can declare errno
with the __thread keyword, which causes it to be per-thread.

This should fix all the stupid issues that happen when many threads use
the same errno. :^)
This commit is contained in:
Andreas Kling 2019-09-07 15:55:41 +02:00
parent ec6bceaa08
commit af14b8dc59
2 changed files with 2 additions and 2 deletions
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2
Libraries/LibC/crt0.cpp
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@ -6,7 +6,7 @@ extern "C" {
int main(int, char**);
int errno;
__thread int errno;
char** environ;
bool __environ_is_malloced;

2
Libraries/LibC/errno.h
View file

@ -17,6 +17,6 @@ __BEGIN_DECLS
extern const char* sys_errlist[];
extern int sys_nerr;
extern int errno;
extern __thread int errno;
__END_DECLS