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Ensure we initialize stdin/stdout/stderr's recursive mutexes.

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Bug: 18208568
Change-Id: I9da16ce0f9375bc363d1d02be706d73fd3b1e150
This commit is contained in:
Elliott Hughes
2014-11-03 12:32:17 -08:00
parent 38ff882276
commit 6a03abcfd2
3 changed files with 37 additions and 10 deletions
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17
tests/stdio_test.cpp
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@@ -29,6 +29,23 @@
#include "TemporaryFile.h"
TEST(stdio, flockfile_18208568_stderr) {
// Check that we have a _recursive_ mutex for flockfile.
flockfile(stderr);
feof(stderr); // We don't care about the result, but this needs to take the lock.
funlockfile(stderr);
}
TEST(stdio, flockfile_18208568_regular) {
// We never had a bug for streams other than stdin/stdout/stderr, but test anyway.
FILE* fp = fopen("/dev/null", "w");
ASSERT_TRUE(fp != NULL);
flockfile(fp);
feof(fp);
funlockfile(fp);
fclose(fp);
}
TEST(stdio, tmpfile_fileno_fprintf_rewind_fgets) {
FILE* fp = tmpfile();
ASSERT_TRUE(fp != NULL);