File: thread_local.c

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (20 lines) | stat: -rw-r--r-- 796 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
// RUN: %clang_cc1 -fsyntax-only -std=c23 %s -verify
// UNSUPPORTED: target={{.*}}-zos{{.*}}

// Ensure that thread_local and _Thread_local are synonyms in C23 and both
// restrict local variables to be explicitly static or extern.
void func(void) {
  // FIXME: it would be nice if the diagnostic said 'thread_local' in this case.
  thread_local int i = 12;  // expected-error {{'_Thread_local' variables must have global storage}}
  _Thread_local int j = 13; // expected-error {{'_Thread_local' variables must have global storage}}

  static thread_local int k = 14;
  static _Thread_local int l = 15;

  extern thread_local int m;
  extern thread_local int n;
}

// This would previously fail because the tls models were different.
extern thread_local unsigned a;
_Thread_local unsigned a = 0;