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Differential D3774 Diff 10533 src/test/util_tests.cpp

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src/test/util_tests.cpp

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#ifndef WIN32 // Cannot do this test on WIN32 due to lack of fork() #ifndef WIN32 // Cannot do this test on WIN32 due to lack of fork()
static constexpr char LockCommand = 'L'; static constexpr char LockCommand = 'L';
static constexpr char UnlockCommand = 'U'; static constexpr char UnlockCommand = 'U';
static constexpr char ExitCommand = 'X'; static constexpr char ExitCommand = 'X';
static void TestOtherProcess(fs::path dirname, std::string lockname, int fd) { static void TestOtherProcess(fs::path dirname, std::string lockname, int fd) {
char ch; char ch;
int rv;
while (true) { while (true) {
rv = read(fd, &ch, 1); // Wait for command // Wait for command
int rv = read(fd, &ch, 1);
assert(rv == 1); assert(rv == 1);
switch (ch) { switch (ch) {
case LockCommand: case LockCommand:
ch = LockDirectory(dirname, lockname); ch = LockDirectory(dirname, lockname);
rv = write(fd, &ch, 1); rv = write(fd, &ch, 1);
assert(rv == 1); assert(rv == 1);
break; break;
case UnlockCommand: case UnlockCommand:
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