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4fc27d2195
Otherwise fails with: /usr/include/c++/v1/__threading_support:370:43: error: use of undeclared identifier 'PTHREAD_MUTEX_RECURSIVE' 200809L triggers __USE_XOPEN2K8 to be defined which enables pthread.h to define the missing identifier. Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
21 lines
426 B
C++
21 lines
426 B
C++
// GNU's strerror_r is different from POSIX's strerror_r.
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// In this file, we explicitly undefine _GNU_SOURCE to always
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// use the POSIX version.
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#define _POSIX_C_SOURCE 200809L
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#undef _GNU_SOURCE
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#include <cstring>
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#include <errno.h>
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#include <string_view>
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namespace mold {
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std::string_view errno_string() {
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static thread_local char buf[200];
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strerror_r(errno, buf, sizeof(buf));
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return buf;
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}
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} // namespace mold
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