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Make SIGRTMIN hide the real-time signals we use internally.

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__SIGRTMIN will continue to tell the truth. This matches glibc's
behavior (as evidenced by the fact that we don't need a special case
in the strsignal test now).

Change-Id: I1abe1681d516577afa8cd39c837ef12467f68dd2
This commit is contained in:
Elliott Hughes
2014-04-30 09:45:40 -07:00
parent 77473e4085
commit 0990d4fda8
12 changed files with 111 additions and 14 deletions
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8
tests/string_test.cpp
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@@ -100,11 +100,9 @@ TEST(string, strsignal) {
ASSERT_STREQ("Hangup", strsignal(1));
// A real-time signal.
#ifdef __GLIBC__ // glibc reserves real-time signals for internal use, and doesn't count those.
ASSERT_STREQ("Real-time signal 14", strsignal(48));
#else
ASSERT_STREQ("Real-time signal 16", strsignal(48));
#endif
ASSERT_STREQ("Real-time signal 14", strsignal(SIGRTMIN + 14));
// One of the signals the C library keeps to itself.
ASSERT_STREQ("Unknown signal 32", strsignal(__SIGRTMIN));
// Errors.
ASSERT_STREQ("Unknown signal -1", strsignal(-1)); // Too small.