[src/trunk]: src/tests/lib/libc/sys Merge the eventmask[1-6] ATF ptrace(2) te...

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/91756b068c34
branches:  trunk
changeset: 832696:91756b068c34
user:      kamil <kamil%NetBSD.org@localhost>
date:      Wed May 23 23:56:07 2018 +0000

description:
Merge the eventmask[1-6] ATF ptrace(2) tests into a shared function body

While there, rename the tests to:
 - eventmask_preserved_empty
 - eventmask_preserved_fork
 - eventmask_preserved_lwp_create
 - eventmask_preserved_lwp_exit
 - eventmask_preserved_vfork
 - eventmask_preserved_vfork_done

Sponsored by <The NetBSD Foundation>

diffstat:

 tests/lib/libc/sys/t_ptrace_wait.c |  324 +++---------------------------------
 1 files changed, 33 insertions(+), 291 deletions(-)

diffs (truncated from 366 to 300 lines):

diff -r 5e09bc3995ec -r 91756b068c34 tests/lib/libc/sys/t_ptrace_wait.c
--- a/tests/lib/libc/sys/t_ptrace_wait.c        Wed May 23 21:21:27 2018 +0000
+++ b/tests/lib/libc/sys/t_ptrace_wait.c        Wed May 23 23:56:07 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_ptrace_wait.c,v 1.52 2018/05/23 13:51:27 kamil Exp $ */
+/*     $NetBSD: t_ptrace_wait.c,v 1.53 2018/05/23 23:56:07 kamil Exp $ */
 
 /*-
  * Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_ptrace_wait.c,v 1.52 2018/05/23 13:51:27 kamil Exp $");
+__RCSID("$NetBSD: t_ptrace_wait.c,v 1.53 2018/05/23 23:56:07 kamil Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -1379,124 +1379,8 @@
 
 /// ----------------------------------------------------------------------------
 
-ATF_TC(eventmask1);
-ATF_TC_HEAD(eventmask1, tc)
-{
-       atf_tc_set_md_var(tc, "descr",
-           "Verify that empty EVENT_MASK is preserved");
-}
-
-ATF_TC_BODY(eventmask1, tc)
-{
-       const int exitval = 5;
-       const int sigval = SIGSTOP;
-       pid_t child, wpid;
-#if defined(TWAIT_HAVE_STATUS)
-       int status;
-#endif
-       ptrace_event_t set_event, get_event;
-       const int len = sizeof(ptrace_event_t);
-
-       DPRINTF("Before forking process PID=%d\n", getpid());
-       SYSCALL_REQUIRE((child = fork()) != -1);
-       if (child == 0) {
-               DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid());
-               FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
-
-               DPRINTF("Before raising %s from child\n", strsignal(sigval));
-               FORKEE_ASSERT(raise(sigval) == 0);
-
-               DPRINTF("Before exiting of the child process\n");
-               _exit(exitval);
-       }
-       DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
-
-       validate_status_stopped(status, sigval);
-
-       set_event.pe_set_event = 0;
-       SYSCALL_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &set_event, len) != -1);
-       SYSCALL_REQUIRE(ptrace(PT_GET_EVENT_MASK, child, &get_event, len) != -1);
-       ATF_REQUIRE(memcmp(&set_event, &get_event, len) == 0);
-
-       DPRINTF("Before resuming the child process where it left off and "
-           "without signal to be sent\n");
-       SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
-
-       validate_status_exited(status, exitval);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
-}
-
-ATF_TC(eventmask2);
-ATF_TC_HEAD(eventmask2, tc)
-{
-       atf_tc_set_md_var(tc, "descr",
-           "Verify that PTRACE_FORK in EVENT_MASK is preserved");
-}
-
-ATF_TC_BODY(eventmask2, tc)
-{
-       const int exitval = 5;
-       const int sigval = SIGSTOP;
-       pid_t child, wpid;
-#if defined(TWAIT_HAVE_STATUS)
-       int status;
-#endif
-       ptrace_event_t set_event, get_event;
-       const int len = sizeof(ptrace_event_t);
-
-       DPRINTF("Before forking process PID=%d\n", getpid());
-       SYSCALL_REQUIRE((child = fork()) != -1);
-       if (child == 0) {
-               DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid());
-               FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
-
-               DPRINTF("Before raising %s from child\n", strsignal(sigval));
-               FORKEE_ASSERT(raise(sigval) == 0);
-
-               DPRINTF("Before exiting of the child process\n");
-               _exit(exitval);
-       }
-       DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
-
-       validate_status_stopped(status, sigval);
-
-       set_event.pe_set_event = PTRACE_FORK;
-       SYSCALL_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &set_event, len) != -1);
-       SYSCALL_REQUIRE(ptrace(PT_GET_EVENT_MASK, child, &get_event, len) != -1);
-       ATF_REQUIRE(memcmp(&set_event, &get_event, len) == 0);
-
-       DPRINTF("Before resuming the child process where it left off and "
-           "without signal to be sent\n");
-       SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
-
-       validate_status_exited(status, exitval);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
-}
-
-ATF_TC(eventmask3);
-ATF_TC_HEAD(eventmask3, tc)
-{
-       atf_tc_set_md_var(tc, "descr",
-           "Verify that PTRACE_VFORK in EVENT_MASK is preserved");
-}
-
-ATF_TC_BODY(eventmask3, tc)
+static void
+eventmask_preserved(int event)
 {
        const int exitval = 5;
        const int sigval = SIGSTOP;
@@ -1526,62 +1410,7 @@
 
        validate_status_stopped(status, sigval);
 
-       set_event.pe_set_event = PTRACE_VFORK;
-       SYSCALL_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &set_event, len) != -1);
-       SYSCALL_REQUIRE(ptrace(PT_GET_EVENT_MASK, child, &get_event, len) != -1);
-       ATF_REQUIRE(memcmp(&set_event, &get_event, len) == 0);
-
-       DPRINTF("Before resuming the child process where it left off and "
-           "without signal to be sent\n");
-       SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
-
-       validate_status_exited(status, exitval);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
-}
-
-ATF_TC(eventmask4);
-ATF_TC_HEAD(eventmask4, tc)
-{
-       atf_tc_set_md_var(tc, "descr",
-           "Verify that PTRACE_VFORK_DONE in EVENT_MASK is preserved");
-}
-
-ATF_TC_BODY(eventmask4, tc)
-{
-       const int exitval = 5;
-       const int sigval = SIGSTOP;
-       pid_t child, wpid;
-#if defined(TWAIT_HAVE_STATUS)
-       int status;
-#endif
-       ptrace_event_t set_event, get_event;
-       const int len = sizeof(ptrace_event_t);
-
-       DPRINTF("Before forking process PID=%d\n", getpid());
-       SYSCALL_REQUIRE((child = fork()) != -1);
-       if (child == 0) {
-               DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid());
-               FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
-
-               DPRINTF("Before raising %s from child\n", strsignal(sigval));
-               FORKEE_ASSERT(raise(sigval) == 0);
-
-               DPRINTF("Before exiting of the child process\n");
-               _exit(exitval);
-       }
-       DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
-
-       validate_status_stopped(status, sigval);
-
-       set_event.pe_set_event = PTRACE_VFORK_DONE;
+       set_event.pe_set_event = event;
        SYSCALL_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &set_event, len) != -1);
        SYSCALL_REQUIRE(ptrace(PT_GET_EVENT_MASK, child, &get_event, len) != -1);
        ATF_REQUIRE(memcmp(&set_event, &get_event, len) == 0);
@@ -1599,115 +1428,28 @@
        TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
 }
 
-ATF_TC(eventmask5);
-ATF_TC_HEAD(eventmask5, tc)
-{
-       atf_tc_set_md_var(tc, "descr",
-           "Verify that PTRACE_LWP_CREATE in EVENT_MASK is preserved");
-}
-
-ATF_TC_BODY(eventmask5, tc)
-{
-       const int exitval = 5;
-       const int sigval = SIGSTOP;
-       pid_t child, wpid;
-#if defined(TWAIT_HAVE_STATUS)
-       int status;
-#endif
-       ptrace_event_t set_event, get_event;
-       const int len = sizeof(ptrace_event_t);
-
-       DPRINTF("Before forking process PID=%d\n", getpid());
-       SYSCALL_REQUIRE((child = fork()) != -1);
-       if (child == 0) {
-               DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid());
-               FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
-
-               DPRINTF("Before raising %s from child\n", strsignal(sigval));
-               FORKEE_ASSERT(raise(sigval) == 0);
-
-               DPRINTF("Before exiting of the child process\n");
-               _exit(exitval);
-       }
-       DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
-
-       validate_status_stopped(status, sigval);
-
-       set_event.pe_set_event = PTRACE_LWP_CREATE;
-       SYSCALL_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &set_event, len) != -1);
-       SYSCALL_REQUIRE(ptrace(PT_GET_EVENT_MASK, child, &get_event, len) != -1);
-       ATF_REQUIRE(memcmp(&set_event, &get_event, len) == 0);
-
-       DPRINTF("Before resuming the child process where it left off and "
-           "without signal to be sent\n");
-       SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
-
-       validate_status_exited(status, exitval);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
-}
-
-ATF_TC(eventmask6);
-ATF_TC_HEAD(eventmask6, tc)
-{
-       atf_tc_set_md_var(tc, "descr",
-           "Verify that PTRACE_LWP_EXIT in EVENT_MASK is preserved");
-}
-
-ATF_TC_BODY(eventmask6, tc)
-{
-       const int exitval = 5;
-       const int sigval = SIGSTOP;
-       pid_t child, wpid;
-#if defined(TWAIT_HAVE_STATUS)
-       int status;
-#endif
-       ptrace_event_t set_event, get_event;
-       const int len = sizeof(ptrace_event_t);
-
-       DPRINTF("Before forking process PID=%d\n", getpid());
-       SYSCALL_REQUIRE((child = fork()) != -1);
-       if (child == 0) {
-               DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid());
-               FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
-
-               DPRINTF("Before raising %s from child\n", strsignal(sigval));
-               FORKEE_ASSERT(raise(sigval) == 0);
-
-               DPRINTF("Before exiting of the child process\n");
-               _exit(exitval);
-       }
-       DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child);
-