63 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
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| /*
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|  * Copyright (c) Linux Test Project, 2009-2021
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|  * Copyright (c) Crackerjack Project, 2007
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|  * Ported from Crackerjack to LTP by Manas Kumar Nayak maknayak@in.ibm.com>
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|  */
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| 
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| /*\
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|  * [Description]
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|  *
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|  * Basic tests for the tkill syscall.
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|  *
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|  * [Algorithm]
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|  *
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|  * Calls tkill and capture signal to verify success.
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|  */
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| 
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| #include <signal.h>
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| 
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| #include "lapi/syscalls.h"
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| #include "tst_test.h"
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| 
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| static volatile sig_atomic_t sig_flag;
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| 
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| static void sighandler(int sig)
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| {
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| 	if (sig == SIGUSR1)
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| 		sig_flag = 1;
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| }
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| 
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| static void setup(void)
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| {
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| 	SAFE_SIGNAL(SIGUSR1, sighandler);
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| }
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| 
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| static void run(void)
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| {
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| 	int tid;
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| 	int timeout_ms = 1000;
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| 	sig_flag = 0;
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| 
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| 	tid = tst_syscall(__NR_gettid);
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| 	TST_EXP_PASS(tst_syscall(__NR_tkill, tid, SIGUSR1));
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| 
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| 	while (timeout_ms--) {
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| 		if (sig_flag)
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| 			break;
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| 
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| 		usleep(1000);
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| 	}
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| 
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| 	if (sig_flag)
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| 		tst_res(TPASS, "signal captured");
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| 	else
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| 		tst_res(TFAIL, "signal not captured");
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| }
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| 
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| static struct tst_test test = {
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| 	.needs_tmpdir = 1,
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| 	.setup = setup,
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| 	.test_all = run,
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| };
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