b0d003023c
_exit() skips the gcov hooks, so we lose all coverage collected up to that point. Let's work around this by intercepting _exit() with our wrapper that calls __gcov_dump() just before _exit().
25 lines
758 B
C
25 lines
758 B
C
/*
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* No copyright is claimed. This code is in the public domain; do with
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* it what you wish.
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*/
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#ifndef UTIL_LINUX_COVERAGE_H
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#define UTIL_LINUX_COVERAGE_H
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/* When built with --coverage (gcov) we need to explicitly call __gcov_dump()
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* in places where we use _exit(), since _exit() skips at-exit hooks resulting
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* in lost coverage.
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*
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* To make sure we don't miss any _exit() calls, this header file is included
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* explicitly on the compiler command line via the -include directive (only
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* when built with --coverage/-Db_coverage=true)
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*/
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void __gcov_dump(void);
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void _exit(int);
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__attribute__((noreturn)) static inline void _coverage__exit(int status) {
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__gcov_dump();
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_exit(status);
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}
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#define _exit(x) _coverage__exit(x)
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#endif
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