30 lines
882 B
C++
30 lines
882 B
C++
// RUN: %clangxx -fsanitize=realtime %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s
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// UNSUPPORTED: ios
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// Intent: Check that a function marked with [[clang::nonblocking]] cannot call a function that is blocking.
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#include <stdio.h>
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#include <stdlib.h>
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void custom_blocking_function() [[clang::blocking]] {
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printf("In blocking function\n");
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}
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void realtime_function() [[clang::nonblocking]] { custom_blocking_function(); }
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void nonrealtime_function() { custom_blocking_function(); }
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int main() {
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nonrealtime_function();
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realtime_function();
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return 0;
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}
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// CHECK: ==ERROR: RealtimeSanitizer: blocking-call
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// CHECK-NEXT: Call to blocking function `custom_blocking_function()` in real-time context!
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// CHECK-NEXT: {{.*custom_blocking_function*}}
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// CHECK-NEXT: {{.*realtime_function*}}
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// should only occur once
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// CHECK-NOT: ==ERROR: RealtimeSanitizer: blocking-call
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