project-base/server-skynet-source-3rd-jemalloc
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Fix witness/fork() interactions.

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Fix witness to clear its list of owned mutexes in the child if
platform-specific malloc_mutex code re-initializes mutexes rather than
unlocking them.
This commit is contained in:
Jason Evans
2016-04-26 10:47:22 -07:00
parent 174c0c3a9c
commit 108c4a11e9
5 changed files with 42 additions and 9 deletions
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25
test/unit/fork.c
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@@ -11,6 +11,13 @@ TEST_BEGIN(test_fork)
assert_ptr_not_null(p, "Unexpected malloc() failure");
pid = fork();
free(p);
p = malloc(64);
assert_ptr_not_null(p, "Unexpected malloc() failure");
free(p);
if (pid == -1) {
/* Error. */
test_fail("Unexpected fork() failure");
@@ -21,11 +28,23 @@ TEST_BEGIN(test_fork)
int status;
/* Parent. */
free(p);
do {
while (true) {
if (waitpid(pid, &status, 0) == -1)
test_fail("Unexpected waitpid() failure");
} while (!WIFEXITED(status) && !WIFSIGNALED(status));
if (WIFSIGNALED(status)) {
test_fail("Unexpected child termination due to "
"signal %d", WTERMSIG(status));
break;
}
if (WIFEXITED(status)) {
if (WEXITSTATUS(status) != 0) {
test_fail(
"Unexpected child exit value %d",
WEXITSTATUS(status));
}
break;
}
}
}
}
TEST_END