diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/sys/kern/Makefile | 1 | ||||
| -rw-r--r-- | tests/sys/kern/ptrace_test.c | 1162 |
2 files changed, 1163 insertions, 0 deletions
diff --git a/tests/sys/kern/Makefile b/tests/sys/kern/Makefile index edc7cce..e2b2d4a 100644 --- a/tests/sys/kern/Makefile +++ b/tests/sys/kern/Makefile @@ -8,6 +8,7 @@ TESTSDIR= ${TESTSBASE}/sys/kern ATF_TESTS_C+= kern_copyin ATF_TESTS_C+= kern_descrip_test ATF_TESTS_C+= ptrace_test +TEST_METADATA.ptrace_test+= timeout="15" ATF_TESTS_C+= reaper PLAIN_TESTS_C+= subr_unit_test ATF_TESTS_C+= unix_seqpacket_test diff --git a/tests/sys/kern/ptrace_test.c b/tests/sys/kern/ptrace_test.c index dede0f8..b7e15a7 100644 --- a/tests/sys/kern/ptrace_test.c +++ b/tests/sys/kern/ptrace_test.c @@ -28,13 +28,21 @@ __FBSDID("$FreeBSD$"); #include <sys/types.h> +#include <sys/cpuset.h> +#include <sys/event.h> +#include <sys/time.h> #include <sys/ptrace.h> +#include <sys/queue.h> +#include <sys/runq.h> #include <sys/syscall.h> #include <sys/sysctl.h> #include <sys/user.h> #include <sys/wait.h> #include <errno.h> +#include <machine/cpufunc.h> #include <pthread.h> +#include <sched.h> +#include <semaphore.h> #include <signal.h> #include <stdio.h> #include <stdlib.h> @@ -1673,6 +1681,1143 @@ ATF_TC_BODY(ptrace__ptrace_vfork_follow, tc) ATF_REQUIRE(errno == ECHILD); } +/* + * XXX: There's nothing inherently platform specific about this test, however a + * userspace visible breakpoint() is a prerequisite. + */ + #if defined(__amd64__) || defined(__i386__) || defined(__sparc64__) +/* + * Verify that no more events are reported after PT_KILL except for the + * process exit when stopped due to a breakpoint trap. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_KILL_breakpoint); +ATF_TC_BODY(ptrace__PT_KILL_breakpoint, tc) +{ + pid_t fpid, wpid; + int status; + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + trace_me(); + breakpoint(); + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + /* Continue the child ignoring the SIGSTOP. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0); + + /* The second wait() should report hitting the breakpoint. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGTRAP); + + /* Kill the child process. */ + ATF_REQUIRE(ptrace(PT_KILL, fpid, 0, 0) == 0); + + /* The last wait() should report the SIGKILL. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSIGNALED(status)); + ATF_REQUIRE(WTERMSIG(status) == SIGKILL); + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); +} +#endif /* defined(__amd64__) || defined(__i386__) || defined(__sparc64__) */ + +/* + * Verify that no more events are reported after PT_KILL except for the + * process exit when stopped inside of a system call. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_KILL_system_call); +ATF_TC_BODY(ptrace__PT_KILL_system_call, tc) +{ + struct ptrace_lwpinfo pl; + pid_t fpid, wpid; + int status; + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + trace_me(); + getpid(); + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + /* Continue the child ignoring the SIGSTOP and tracing system calls. */ + ATF_REQUIRE(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0) == 0); + + /* The second wait() should report a system call entry for getpid(). */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGTRAP); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); + + /* Kill the child process. */ + ATF_REQUIRE(ptrace(PT_KILL, fpid, 0, 0) == 0); + + /* The last wait() should report the SIGKILL. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSIGNALED(status)); + ATF_REQUIRE(WTERMSIG(status) == SIGKILL); + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); +} + +/* + * Verify that no more events are reported after PT_KILL except for the + * process exit when killing a multithreaded process. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_KILL_threads); +ATF_TC_BODY(ptrace__PT_KILL_threads, tc) +{ + struct ptrace_lwpinfo pl; + pid_t fpid, wpid; + lwpid_t main_lwp; + int status; + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + trace_me(); + simple_thread_main(); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, + sizeof(pl)) != -1); + main_lwp = pl.pl_lwpid; + + ATF_REQUIRE(ptrace(PT_LWP_EVENTS, wpid, NULL, 1) == 0); + + /* Continue the child ignoring the SIGSTOP. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0); + + /* The first event should be for the child thread's birth. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGTRAP); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE((pl.pl_flags & (PL_FLAG_BORN | PL_FLAG_SCX)) == + (PL_FLAG_BORN | PL_FLAG_SCX)); + ATF_REQUIRE(pl.pl_lwpid != main_lwp); + + /* Kill the child process. */ + ATF_REQUIRE(ptrace(PT_KILL, fpid, 0, 0) == 0); + + /* The last wait() should report the SIGKILL. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSIGNALED(status)); + ATF_REQUIRE(WTERMSIG(status) == SIGKILL); + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); +} + +static void * +mask_usr1_thread(void *arg) +{ + pthread_barrier_t *pbarrier; + sigset_t sigmask; + + pbarrier = (pthread_barrier_t*)arg; + + sigemptyset(&sigmask); + sigaddset(&sigmask, SIGUSR1); + CHILD_REQUIRE(pthread_sigmask(SIG_BLOCK, &sigmask, NULL) == 0); + + /* Sync up with other thread after sigmask updated. */ + pthread_barrier_wait(pbarrier); + + for (;;) + sleep(60); + + return (NULL); +} + +/* + * Verify that the SIGKILL from PT_KILL takes priority over other signals + * and prevents spurious stops due to those other signals. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_KILL_competing_signal); +ATF_TC_BODY(ptrace__PT_KILL_competing_signal, tc) +{ + pid_t fpid, wpid; + int status; + cpuset_t setmask; + pthread_t t; + pthread_barrier_t barrier; + struct sched_param sched_param; + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + /* Bind to one CPU so only one thread at a time will run. */ + CPU_ZERO(&setmask); + CPU_SET(0, &setmask); + cpusetid_t setid; + CHILD_REQUIRE(cpuset(&setid) == 0); + CHILD_REQUIRE(cpuset_setaffinity(CPU_LEVEL_CPUSET, + CPU_WHICH_CPUSET, setid, sizeof(setmask), &setmask) == 0); + + CHILD_REQUIRE(pthread_barrier_init(&barrier, NULL, 2) == 0); + + CHILD_REQUIRE(pthread_create(&t, NULL, mask_usr1_thread, + (void*)&barrier) == 0); + + /* + * Give the main thread higher priority. The test always + * assumes that, if both threads are able to run, the main + * thread runs first. + */ + sched_param.sched_priority = + (sched_get_priority_max(SCHED_FIFO) + + sched_get_priority_min(SCHED_FIFO)) / 2; + CHILD_REQUIRE(pthread_setschedparam(pthread_self(), + SCHED_FIFO, &sched_param) == 0); + sched_param.sched_priority -= RQ_PPQ; + CHILD_REQUIRE(pthread_setschedparam(t, SCHED_FIFO, + &sched_param) == 0); + + sigset_t sigmask; + sigemptyset(&sigmask); + sigaddset(&sigmask, SIGUSR2); + CHILD_REQUIRE(pthread_sigmask(SIG_BLOCK, &sigmask, NULL) == 0); + + /* Sync up with other thread after sigmask updated. */ + pthread_barrier_wait(&barrier); + + trace_me(); + + for (;;) + sleep(60); + + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + /* Continue the child ignoring the SIGSTOP. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0); + + /* Send a signal that only the second thread can handle. */ + ATF_REQUIRE(kill(fpid, SIGUSR2) == 0); + + /* The second wait() should report the SIGUSR2. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGUSR2); + + /* Send a signal that only the first thread can handle. */ + ATF_REQUIRE(kill(fpid, SIGUSR1) == 0); + + /* Replace the SIGUSR2 with a kill. */ + ATF_REQUIRE(ptrace(PT_KILL, fpid, 0, 0) == 0); + + /* The last wait() should report the SIGKILL (not the SIGUSR signal). */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSIGNALED(status)); + ATF_REQUIRE(WTERMSIG(status) == SIGKILL); + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); +} + +/* + * Verify that the SIGKILL from PT_KILL takes priority over other stop events + * and prevents spurious stops caused by those events. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_KILL_competing_stop); +ATF_TC_BODY(ptrace__PT_KILL_competing_stop, tc) +{ + pid_t fpid, wpid; + int status; + cpuset_t setmask; + pthread_t t; + pthread_barrier_t barrier; + lwpid_t main_lwp; + struct ptrace_lwpinfo pl; + struct sched_param sched_param; + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + trace_me(); + + /* Bind to one CPU so only one thread at a time will run. */ + CPU_ZERO(&setmask); + CPU_SET(0, &setmask); + cpusetid_t setid; + CHILD_REQUIRE(cpuset(&setid) == 0); + CHILD_REQUIRE(cpuset_setaffinity(CPU_LEVEL_CPUSET, + CPU_WHICH_CPUSET, setid, sizeof(setmask), &setmask) == 0); + + CHILD_REQUIRE(pthread_barrier_init(&barrier, NULL, 2) == 0); + + CHILD_REQUIRE(pthread_create(&t, NULL, mask_usr1_thread, + (void*)&barrier) == 0); + + /* + * Give the main thread higher priority. The test always + * assumes that, if both threads are able to run, the main + * thread runs first. + */ + sched_param.sched_priority = + (sched_get_priority_max(SCHED_FIFO) + + sched_get_priority_min(SCHED_FIFO)) / 2; + CHILD_REQUIRE(pthread_setschedparam(pthread_self(), + SCHED_FIFO, &sched_param) == 0); + sched_param.sched_priority -= RQ_PPQ; + CHILD_REQUIRE(pthread_setschedparam(t, SCHED_FIFO, + &sched_param) == 0); + + sigset_t sigmask; + sigemptyset(&sigmask); + sigaddset(&sigmask, SIGUSR2); + CHILD_REQUIRE(pthread_sigmask(SIG_BLOCK, &sigmask, NULL) == 0); + + /* Sync up with other thread after sigmask updated. */ + pthread_barrier_wait(&barrier); + + /* Sync up with the test before doing the getpid(). */ + raise(SIGSTOP); + + getpid(); + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + main_lwp = pl.pl_lwpid; + + /* Continue the child ignoring the SIGSTOP and tracing system calls. */ + ATF_REQUIRE(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0) == 0); + + /* + * Continue until child is done with setup, which is indicated with + * SIGSTOP. Ignore system calls in the meantime. + */ + for (;;) { + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + if (WSTOPSIG(status) == SIGTRAP) { + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, + sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)); + } else { + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + break; + } + ATF_REQUIRE(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0) == 0); + } + + /* Proceed, allowing main thread to hit syscall entry for getpid(). */ + ATF_REQUIRE(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0) == 0); + + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGTRAP); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, + sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_lwpid == main_lwp); + ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); + /* Prevent the main thread from hitting its syscall exit for now. */ + ATF_REQUIRE(ptrace(PT_SUSPEND, main_lwp, 0, 0) == 0); + + /* + * Proceed, allowing second thread to hit syscall exit for + * pthread_barrier_wait(). + */ + ATF_REQUIRE(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0) == 0); + + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGTRAP); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, + sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_lwpid != main_lwp); + ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCX); + + /* Send a signal that only the second thread can handle. */ + ATF_REQUIRE(kill(fpid, SIGUSR2) == 0); + + ATF_REQUIRE(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0) == 0); + + /* The next wait() should report the SIGUSR2. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGUSR2); + + /* Allow the main thread to try to finish its system call. */ + ATF_REQUIRE(ptrace(PT_RESUME, main_lwp, 0, 0) == 0); + + /* + * At this point, the main thread is in the middle of a system call and + * has been resumed. The second thread has taken a SIGUSR2 which will + * be replaced with a SIGKILL below. The main thread will get to run + * first. It should notice the kill request (even though the signal + * replacement occurred in the other thread) and exit accordingly. It + * should not stop for the system call exit event. + */ + + /* Replace the SIGUSR2 with a kill. */ + ATF_REQUIRE(ptrace(PT_KILL, fpid, 0, 0) == 0); + + /* The last wait() should report the SIGKILL (not a syscall exit). */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSIGNALED(status)); + ATF_REQUIRE(WTERMSIG(status) == SIGKILL); + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); +} + +static void +sigusr1_handler(int sig) +{ + + CHILD_REQUIRE(sig == SIGUSR1); + _exit(2); +} + +/* + * Verify that even if the signal queue is full for a child process, + * a PT_KILL will kill the process. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_KILL_with_signal_full_sigqueue); +ATF_TC_BODY(ptrace__PT_KILL_with_signal_full_sigqueue, tc) +{ + pid_t fpid, wpid; + int status; + int max_pending_per_proc; + size_t len; + int i; + + ATF_REQUIRE(signal(SIGUSR1, sigusr1_handler) != SIG_ERR); + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + trace_me(); + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + len = sizeof(max_pending_per_proc); + ATF_REQUIRE(sysctlbyname("kern.sigqueue.max_pending_per_proc", + &max_pending_per_proc, &len, NULL, 0) == 0); + + /* Fill the signal queue. */ + for (i = 0; i < max_pending_per_proc; ++i) + ATF_REQUIRE(kill(fpid, SIGUSR1) == 0); + + /* Kill the child process. */ + ATF_REQUIRE(ptrace(PT_KILL, fpid, 0, 0) == 0); + + /* The last wait() should report the SIGKILL. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSIGNALED(status)); + ATF_REQUIRE(WTERMSIG(status) == SIGKILL); + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); +} + +/* + * Verify that when stopped at a system call entry, a signal can be + * requested with PT_CONTINUE which will be delivered once the system + * call is complete. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_system_call_entry); +ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_system_call_entry, tc) +{ + struct ptrace_lwpinfo pl; + pid_t fpid, wpid; + int status; + + ATF_REQUIRE(signal(SIGUSR1, sigusr1_handler) != SIG_ERR); + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + trace_me(); + getpid(); + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + /* Continue the child ignoring the SIGSTOP and tracing system calls. */ + ATF_REQUIRE(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0) == 0); + + /* The second wait() should report a system call entry for getpid(). */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGTRAP); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); + + /* Continue the child process with a signal. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1) == 0); + + for (;;) { + /* + * The last wait() should report exit 2, i.e., a normal _exit + * from the signal handler. In the meantime, catch and proceed + * past any syscall stops. + */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + if (WIFSTOPPED(status) && WSTOPSIG(status) == SIGTRAP) { + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)); + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0); + } else { + ATF_REQUIRE(WIFEXITED(status)); + ATF_REQUIRE(WEXITSTATUS(status) == 2); + break; + } + } + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); +} + +static void +sigusr1_counting_handler(int sig) +{ + static int counter = 0; + + CHILD_REQUIRE(sig == SIGUSR1); + counter++; + if (counter == 2) + _exit(2); +} + +/* + * Verify that, when continuing from a stop at system call entry and exit, + * a signal can be requested from both stops, and both will be delivered when + * the system call is complete. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_system_call_entry_and_exit); +ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_system_call_entry_and_exit, tc) +{ + struct ptrace_lwpinfo pl; + pid_t fpid, wpid; + int status; + + ATF_REQUIRE(signal(SIGUSR1, sigusr1_counting_handler) != SIG_ERR); + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + trace_me(); + getpid(); + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + /* Continue the child ignoring the SIGSTOP and tracing system calls. */ + ATF_REQUIRE(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0) == 0); + + /* The second wait() should report a system call entry for getpid(). */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGTRAP); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); + + /* Continue the child process with a signal. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1) == 0); + + /* The third wait() should report a system call exit for getpid(). */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGTRAP); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCX); + + /* Continue the child process with a signal. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1) == 0); + + for (;;) { + /* + * The last wait() should report exit 2, i.e., a normal _exit + * from the signal handler. In the meantime, catch and proceed + * past any syscall stops. + */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + if (WIFSTOPPED(status) && WSTOPSIG(status) == SIGTRAP) { + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)); + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0); + } else { + ATF_REQUIRE(WIFEXITED(status)); + ATF_REQUIRE(WEXITSTATUS(status) == 2); + break; + } + } + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); +} + +/* + * Verify that even if the signal queue is full for a child process, + * a PT_CONTINUE with a signal will not result in loss of that signal. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_full_sigqueue); +ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_full_sigqueue, tc) +{ + pid_t fpid, wpid; + int status; + int max_pending_per_proc; + size_t len; + int i; + + ATF_REQUIRE(signal(SIGUSR2, handler) != SIG_ERR); + ATF_REQUIRE(signal(SIGUSR1, sigusr1_handler) != SIG_ERR); + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + trace_me(); + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + len = sizeof(max_pending_per_proc); + ATF_REQUIRE(sysctlbyname("kern.sigqueue.max_pending_per_proc", + &max_pending_per_proc, &len, NULL, 0) == 0); + + /* Fill the signal queue. */ + for (i = 0; i < max_pending_per_proc; ++i) + ATF_REQUIRE(kill(fpid, SIGUSR2) == 0); + + /* Continue with signal. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1) == 0); + + for (;;) { + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + if (WIFSTOPPED(status)) { + ATF_REQUIRE(WSTOPSIG(status) == SIGUSR2); + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0); + } else { + /* + * The last wait() should report normal _exit from the + * SIGUSR1 handler. + */ + ATF_REQUIRE(WIFEXITED(status)); + ATF_REQUIRE(WEXITSTATUS(status) == 2); + break; + } + } + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); +} + +/* + * Verify that, after stopping due to a signal, that signal can be + * replaced with another signal. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_change_sig); +ATF_TC_BODY(ptrace__PT_CONTINUE_change_sig, tc) +{ + struct ptrace_lwpinfo pl; + pid_t fpid, wpid; + int status; + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + trace_me(); + sleep(20); + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0); + + /* Send a signal without ptrace. */ + ATF_REQUIRE(kill(fpid, SIGINT) == 0); + + /* The second wait() should report a SIGINT was received. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGINT); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & PL_FLAG_SI); + ATF_REQUIRE(pl.pl_siginfo.si_signo == SIGINT); + + /* Continue the child process with a different signal. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGTERM) == 0); + + /* + * The last wait() should report having died due to the new + * signal, SIGTERM. + */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSIGNALED(status)); + ATF_REQUIRE(WTERMSIG(status) == SIGTERM); + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); +} + +/* + * Verify that a signal can be passed through to the child even when there + * was no true signal originally. Such cases arise when a SIGTRAP is + * invented for e.g, system call stops. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_sigtrap_system_call_entry); +ATF_TC_BODY(ptrace__PT_CONTINUE_with_sigtrap_system_call_entry, tc) +{ + struct ptrace_lwpinfo pl; + pid_t fpid, wpid; + int status; + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + trace_me(); + getpid(); + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + /* Continue the child ignoring the SIGSTOP and tracing system calls. */ + ATF_REQUIRE(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0) == 0); + + /* The second wait() should report a system call entry for getpid(). */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGTRAP); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); + + /* Continue the child process with a SIGTRAP. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGTRAP) == 0); + + for (;;) { + /* + * The last wait() should report exit due to SIGTRAP. In the + * meantime, catch and proceed past any syscall stops. + */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + if (WIFSTOPPED(status) && WSTOPSIG(status) == SIGTRAP) { + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)); + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0); + } else { + ATF_REQUIRE(WIFSIGNALED(status)); + ATF_REQUIRE(WTERMSIG(status) == SIGTRAP); + break; + } + } + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); + +} + +/* + * A mixed bag PT_CONTINUE with signal test. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_mix); +ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_mix, tc) +{ + struct ptrace_lwpinfo pl; + pid_t fpid, wpid; + int status; + + ATF_REQUIRE(signal(SIGUSR1, sigusr1_counting_handler) != SIG_ERR); + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + trace_me(); + getpid(); + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + /* Continue the child ignoring the SIGSTOP and tracing system calls. */ + ATF_REQUIRE(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0) == 0); + + /* The second wait() should report a system call entry for getpid(). */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGTRAP); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); + + /* Continue with the first SIGUSR1. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1) == 0); + + /* The next wait() should report a system call exit for getpid(). */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGTRAP); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCX); + + /* Send an ABRT without ptrace. */ + ATF_REQUIRE(kill(fpid, SIGABRT) == 0); + + /* Continue normally. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0); + + /* The next wait() should report the SIGABRT. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGABRT); + + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & PL_FLAG_SI); + ATF_REQUIRE(pl.pl_siginfo.si_signo == SIGABRT); + + /* Continue, replacing the SIGABRT with another SIGUSR1. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1) == 0); + + for (;;) { + /* + * The last wait() should report exit 2, i.e., a normal _exit + * from the signal handler. In the meantime, catch and proceed + * past any syscall stops. + */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + if (WIFSTOPPED(status) && WSTOPSIG(status) == SIGTRAP) { + ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); + ATF_REQUIRE(pl.pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)); + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0); + } else { + ATF_REQUIRE(WIFEXITED(status)); + ATF_REQUIRE(WEXITSTATUS(status) == 2); + break; + } + } + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); + +} + +/* + * Verify a signal delivered by ptrace is noticed by kevent(2). + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_kqueue); +ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_kqueue, tc) +{ + pid_t fpid, wpid; + int status, kq, nevents; + struct kevent kev; + + ATF_REQUIRE(signal(SIGUSR1, SIG_IGN) != SIG_ERR); + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + CHILD_REQUIRE((kq = kqueue()) > 0); + EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD, 0, 0, 0); + CHILD_REQUIRE(kevent(kq, &kev, 1, NULL, 0, NULL) == 0); + + trace_me(); + + for (;;) { + nevents = kevent(kq, NULL, 0, &kev, 1, NULL); + if (nevents == -1 && errno == EINTR) + continue; + CHILD_REQUIRE(nevents > 0); + CHILD_REQUIRE(kev.filter == EVFILT_SIGNAL); + CHILD_REQUIRE(kev.ident == SIGUSR1); + break; + } + + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + /* Continue with the SIGUSR1. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1) == 0); + + /* + * The last wait() should report normal exit with code 1. + */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFEXITED(status)); + ATF_REQUIRE(WEXITSTATUS(status) == 1); + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); +} + +static sem_t sigusr1_sem; + +static void +sigusr1_sempost_handler(int sig __unused) +{ + + CHILD_REQUIRE(sem_post(&sigusr1_sem) == 0); +} + +static void * +signal_thread(void *arg) +{ + int err; + sigset_t sigmask; + + pthread_barrier_t *pbarrier = (pthread_barrier_t*)arg; + + /* Wait for this thread to receive a SIGUSR1. */ + do { + err = sem_wait(&sigusr1_sem); + CHILD_REQUIRE(err == 0 || errno == EINTR); + } while (err != 0 && errno == EINTR); + + /* Free our companion thread from the barrier. */ + pthread_barrier_wait(pbarrier); + + /* + * Swap ignore duties; the next SIGUSR1 should go to the + * other thread. + */ + CHILD_REQUIRE(sigemptyset(&sigmask) == 0); + CHILD_REQUIRE(sigaddset(&sigmask, SIGUSR1) == 0); + CHILD_REQUIRE(pthread_sigmask(SIG_BLOCK, &sigmask, NULL) == 0); + + /* Sync up threads after swapping signal masks. */ + pthread_barrier_wait(pbarrier); + + /* Wait until our companion has received its SIGUSR1. */ + pthread_barrier_wait(pbarrier); + + return (NULL); +} + +/* + * Verify that if ptrace stops due to a signal but continues with + * a different signal that the new signal is routed to a thread + * that can accept it, and that that thread is awakened by the signal + * in a timely manner. + */ +ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_thread_sigmask); +ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_thread_sigmask, tc) +{ + pid_t fpid, wpid; + int status, err; + pthread_t t; + sigset_t sigmask; + pthread_barrier_t barrier; + + ATF_REQUIRE(pthread_barrier_init(&barrier, NULL, 2) == 0); + ATF_REQUIRE(sem_init(&sigusr1_sem, 0, 0) == 0); + ATF_REQUIRE(signal(SIGUSR1, sigusr1_sempost_handler) != SIG_ERR); + + ATF_REQUIRE((fpid = fork()) != -1); + if (fpid == 0) { + CHILD_REQUIRE(pthread_create(&t, NULL, signal_thread, (void*)&barrier) == 0); + + /* The other thread should receive the first SIGUSR1. */ + CHILD_REQUIRE(sigemptyset(&sigmask) == 0); + CHILD_REQUIRE(sigaddset(&sigmask, SIGUSR1) == 0); + CHILD_REQUIRE(pthread_sigmask(SIG_BLOCK, &sigmask, NULL) == 0); + + trace_me(); + + /* Wait until other thread has received its SIGUSR1. */ + pthread_barrier_wait(&barrier); + + /* + * Swap ignore duties; the next SIGUSR1 should go to this + * thread. + */ + CHILD_REQUIRE(pthread_sigmask(SIG_UNBLOCK, &sigmask, NULL) == 0); + + /* Sync up threads after swapping signal masks. */ + pthread_barrier_wait(&barrier); + + /* + * Sync up with test code; we're ready for the next SIGUSR1 + * now. + */ + raise(SIGSTOP); + + /* Wait for this thread to receive a SIGUSR1. */ + do { + err = sem_wait(&sigusr1_sem); + CHILD_REQUIRE(err == 0 || errno == EINTR); + } while (err != 0 && errno == EINTR); + + /* Free the other thread from the barrier. */ + pthread_barrier_wait(&barrier); + + CHILD_REQUIRE(pthread_join(t, NULL) == 0); + + exit(1); + } + + /* The first wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + /* Continue the child ignoring the SIGSTOP. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0); + + /* + * Send a signal without ptrace that either thread will accept (USR2, + * in this case). + */ + ATF_REQUIRE(kill(fpid, SIGUSR2) == 0); + + /* The second wait() should report a SIGUSR2 was received. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGUSR2); + + /* Continue the child, changing the signal to USR1. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1) == 0); + + /* The next wait() should report the stop from SIGSTOP. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGSTOP); + + /* Continue the child ignoring the SIGSTOP. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) == 0); + + ATF_REQUIRE(kill(fpid, SIGUSR2) == 0); + + /* The next wait() should report a SIGUSR2 was received. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFSTOPPED(status)); + ATF_REQUIRE(WSTOPSIG(status) == SIGUSR2); + + /* Continue the child, changing the signal to USR1. */ + ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1) == 0); + + /* The last wait() should report normal exit with code 1. */ + wpid = waitpid(fpid, &status, 0); + ATF_REQUIRE(wpid == fpid); + ATF_REQUIRE(WIFEXITED(status)); + ATF_REQUIRE(WEXITSTATUS(status) == 1); + + wpid = wait(&status); + ATF_REQUIRE(wpid == -1); + ATF_REQUIRE(errno == ECHILD); +} + ATF_TP_ADD_TCS(tp) { @@ -1700,6 +2845,23 @@ ATF_TP_ADD_TCS(tp) ATF_TP_ADD_TC(tp, ptrace__event_mask); ATF_TP_ADD_TC(tp, ptrace__ptrace_vfork); ATF_TP_ADD_TC(tp, ptrace__ptrace_vfork_follow); +#if defined(__amd64__) || defined(__i386__) || defined(__sparc64__) + ATF_TP_ADD_TC(tp, ptrace__PT_KILL_breakpoint); +#endif + ATF_TP_ADD_TC(tp, ptrace__PT_KILL_system_call); + ATF_TP_ADD_TC(tp, ptrace__PT_KILL_threads); + ATF_TP_ADD_TC(tp, ptrace__PT_KILL_competing_signal); + ATF_TP_ADD_TC(tp, ptrace__PT_KILL_competing_stop); + ATF_TP_ADD_TC(tp, ptrace__PT_KILL_with_signal_full_sigqueue); + ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_system_call_entry); + ATF_TP_ADD_TC(tp, + ptrace__PT_CONTINUE_with_signal_system_call_entry_and_exit); + ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_full_sigqueue); + ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_change_sig); + ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_sigtrap_system_call_entry); + ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_mix); + ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_kqueue); + ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_thread_sigmask); return (atf_no_error()); } |
