2 * Check decoding of prctl PR_GET_PDEATHSIG/PR_SET_PDEATHSIG operations.
4 * Copyright (c) 2016 JingPiao Chen <chenjingpiao@foxmail.com>
5 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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9 * modification, are permitted provided that the following conditions
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32 #include <asm/unistd.h>
33 #include <linux/prctl.h>
35 #if defined __NR_prctl && defined PR_GET_PDEATHSIG && defined PR_SET_PDEATHSIG
39 # include <sys/signal.h>
44 static const kernel_ulong_t bogus_signal =
45 (kernel_ulong_t) 0xbadc0deddeadfeedULL;
47 TAIL_ALLOC_OBJECT_CONST_PTR(int, pdeathsig);
50 rc = syscall(__NR_prctl, PR_SET_PDEATHSIG, bogus_signal);
51 printf("prctl(PR_SET_PDEATHSIG, %llu) = %s\n",
52 (unsigned long long) bogus_signal, sprintrc(rc));
54 rc = syscall(__NR_prctl, PR_SET_PDEATHSIG, SIGINT);
55 printf("prctl(PR_SET_PDEATHSIG, SIGINT) = %s\n", sprintrc(rc));
57 rc = syscall(__NR_prctl, PR_GET_PDEATHSIG, NULL);
58 printf("prctl(PR_GET_PDEATHSIG, NULL) = %s\n", sprintrc(rc));
60 rc = syscall(__NR_prctl, PR_GET_PDEATHSIG, pdeathsig + 1);
61 printf("prctl(PR_GET_PDEATHSIG, %p) = %s\n",
62 pdeathsig + 1, sprintrc(rc));
64 rc = syscall(__NR_prctl, PR_GET_PDEATHSIG, pdeathsig);
66 printf("prctl(PR_GET_PDEATHSIG, %p) = %s\n",
67 pdeathsig, sprintrc(rc));
69 printf("prctl(PR_GET_PDEATHSIG, [SIGINT]) = %s\n",
73 puts("+++ exited with 0 +++");
79 SKIP_MAIN_UNDEFINED("__NR_prctl && PR_GET_PDEATHSIG && PR_SET_PDEATHSIG")