 2271b75fa9
			
		
	
	
		2271b75fa9
		
	
	
	
	
		
			
			This patch fixes a race condition and test failure where the main process waits for the signal of a thread but the thread already sent that signal via a condition. Since these signals are non-sticky, we need to introduce a separate variable to make this signal sticky. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
		
			
				
	
	
		
			40 lines
		
	
	
		
			862 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			862 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Minimal TPM emulator for TPM test cases
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|  *
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|  * Copyright (c) 2018 Red Hat, Inc.
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|  *
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|  * Authors:
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|  *   Marc-André Lureau <marcandre.lureau@redhat.com>
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|  *
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|  * This work is licensed under the terms of the GNU GPL, version 2 or later.
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|  * See the COPYING file in the top-level directory.
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|  */
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| 
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| #ifndef TESTS_TPM_EMU_H
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| #define TESTS_TPM_EMU_H
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| 
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| #define TPM_RC_FAILURE 0x101
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| #define TPM2_ST_NO_SESSIONS 0x8001
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| 
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| struct tpm_hdr {
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|     uint16_t tag;
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|     uint32_t len;
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|     uint32_t code; /*ordinal/error */
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|     char buffer[];
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| } QEMU_PACKED;
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| 
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| typedef struct TestState {
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|     GMutex data_mutex;
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|     GCond data_cond;
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|     bool data_cond_signal;
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|     SocketAddress *addr;
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|     QIOChannel *tpm_ioc;
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|     GThread *emu_tpm_thread;
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|     struct tpm_hdr *tpm_msg;
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| } TestState;
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| 
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| void tpm_emu_test_wait_cond(TestState *s);
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| void *tpm_emu_ctrl_thread(void *data);
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| 
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| #endif /* TEST_TPM_EMU_H */
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