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[src/trunk]: src/tests/lib/libc/sys Add new PTRACE_POSIX_SPAWN tests in ptrac...
details: https://anonhg.NetBSD.org/src/rev/c50cba20fb7c
branches: trunk
changeset: 451912:c50cba20fb7c
user: kamil <kamil%NetBSD.org@localhost>
date: Tue Jun 11 23:30:05 2019 +0000
description:
Add new PTRACE_POSIX_SPAWN tests in ptrace(3)
Add test:
- eventmask_preserved_posix_spawn
- fork9..fork16
- vfork9..vfork16
- posix_spawn1..16
New tests verify semantics of PTRACE_POSIX_SPAWN.
All tests pass.
diffstat:
tests/lib/libc/sys/t_ptrace_wait.c | 196 +++++++++++++++++++++++++-----------
1 files changed, 136 insertions(+), 60 deletions(-)
diffs (truncated from 351 to 300 lines):
diff -r 8e306fba2f19 -r c50cba20fb7c tests/lib/libc/sys/t_ptrace_wait.c
--- a/tests/lib/libc/sys/t_ptrace_wait.c Tue Jun 11 23:27:46 2019 +0000
+++ b/tests/lib/libc/sys/t_ptrace_wait.c Tue Jun 11 23:30:05 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_ptrace_wait.c,v 1.124 2019/06/10 22:16:06 kamil Exp $ */
+/* $NetBSD: t_ptrace_wait.c,v 1.125 2019/06/11 23:30:05 kamil Exp $ */
/*-
* Copyright (c) 2016, 2017, 2018, 2019 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: t_ptrace_wait.c,v 1.124 2019/06/10 22:16:06 kamil Exp $");
+__RCSID("$NetBSD: t_ptrace_wait.c,v 1.125 2019/06/11 23:30:05 kamil Exp $");
#include <sys/param.h>
#include <sys/types.h>
@@ -2947,6 +2947,8 @@
ptrace(PT_SET_EVENT_MASK, child, &set_event, len) != -1);
SYSCALL_REQUIRE(
ptrace(PT_GET_EVENT_MASK, child, &get_event, len) != -1);
+ DPRINTF("set_event=%#x get_event=%#x\n", set_event.pe_set_event,
+ get_event.pe_set_event);
ATF_REQUIRE(memcmp(&set_event, &get_event, len) == 0);
DPRINTF("Before resuming the child process where it left off and "
@@ -2982,15 +2984,16 @@
EVENTMASK_PRESERVED(eventmask_preserved_vfork_done, PTRACE_VFORK_DONE)
EVENTMASK_PRESERVED(eventmask_preserved_lwp_create, PTRACE_LWP_CREATE)
EVENTMASK_PRESERVED(eventmask_preserved_lwp_exit, PTRACE_LWP_EXIT)
+EVENTMASK_PRESERVED(eventmask_preserved_posix_spawn, PTRACE_POSIX_SPAWN)
/// ----------------------------------------------------------------------------
static void
-fork_body(pid_t (*fn)(void), bool spawn, bool trackfork, bool trackvfork,
+fork_body(const char *fn, bool trackspawn, bool trackfork, bool trackvfork,
bool trackvforkdone)
{
const int exitval = 5;
- const int exitval2 = 15;
+ const int exitval2 = 0; /* This matched exit status from /bin/echo */
const int sigval = SIGSTOP;
pid_t child, child2 = 0, wpid;
#if defined(TWAIT_HAVE_STATUS)
@@ -3003,9 +3006,6 @@
char * const arg[] = { __UNCONST("/bin/echo"), NULL };
- if (spawn)
- atf_tc_skip("posix_spawn() is not supported");
-
DPRINTF("Before forking process PID=%d\n", getpid());
SYSCALL_REQUIRE((child = fork()) != -1);
if (child == 0) {
@@ -3015,11 +3015,15 @@
DPRINTF("Before raising %s from child\n", strsignal(sigval));
FORKEE_ASSERT(raise(sigval) == 0);
- if (spawn) {
+ if (strcmp(fn, "spawn") == 0) {
FORKEE_ASSERT_EQ(posix_spawn(&child2,
arg[0], NULL, NULL, arg, NULL), 0);
- } else if (fn == fork || fn == vfork) {
- FORKEE_ASSERT((child2 = (fn)()) != -1);
+ } else {
+ if (strcmp(fn, "fork") == 0) {
+ FORKEE_ASSERT((child2 = fork()) != -1);
+ } else if (strcmp(fn, "vfork") == 0) {
+ FORKEE_ASSERT((child2 = vfork()) != -1);
+ }
if (child2 == 0)
_exit(exitval2);
@@ -3039,11 +3043,14 @@
validate_status_stopped(status, sigval);
- DPRINTF("Set 0%s%s%s in EVENT_MASK for the child %d\n",
+ DPRINTF("Set 0%s%s%s%s in EVENT_MASK for the child %d\n",
+ trackspawn ? "|PTRACE_POSIX_SPAWN" : "",
trackfork ? "|PTRACE_FORK" : "",
trackvfork ? "|PTRACE_VFORK" : "",
trackvforkdone ? "|PTRACE_VFORK_DONE" : "", child);
event.pe_set_event = 0;
+ if (trackspawn)
+ event.pe_set_event |= PTRACE_POSIX_SPAWN;
if (trackfork)
event.pe_set_event |= PTRACE_FORK;
if (trackvfork)
@@ -3057,7 +3064,9 @@
SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
#if defined(TWAIT_HAVE_PID)
- if ((trackfork && fn == fork) || (trackvfork && fn == vfork)) {
+ if ((trackspawn && strcmp(fn, "spawn") == 0) ||
+ (trackfork && strcmp(fn, "fork") == 0) ||
+ (trackvfork && strcmp(fn, "vfork") == 0)) {
DPRINTF("Before calling %s() for the child %d\n", TWAIT_FNAME,
child);
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0),
@@ -3067,11 +3076,16 @@
SYSCALL_REQUIRE(
ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1);
- if (trackfork && fn == fork) {
+ if (trackspawn && strcmp(fn, "spawn") == 0) {
+ ATF_REQUIRE_EQ(
+ state.pe_report_event & PTRACE_POSIX_SPAWN,
+ PTRACE_POSIX_SPAWN);
+ }
+ if (trackfork && strcmp(fn, "fork") == 0) {
ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_FORK,
PTRACE_FORK);
}
- if (trackvfork && fn == vfork) {
+ if (trackvfork && strcmp(fn, "vfork") == 0) {
ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_VFORK,
PTRACE_VFORK);
}
@@ -3088,11 +3102,16 @@
SYSCALL_REQUIRE(
ptrace(PT_GET_PROCESS_STATE, child2, &state, slen) != -1);
- if (trackfork && fn == fork) {
+ if (trackspawn && strcmp(fn, "spawn") == 0) {
+ ATF_REQUIRE_EQ(
+ state.pe_report_event & PTRACE_POSIX_SPAWN,
+ PTRACE_POSIX_SPAWN);
+ }
+ if (trackfork && strcmp(fn, "fork") == 0) {
ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_FORK,
PTRACE_FORK);
}
- if (trackvfork && fn == vfork) {
+ if (trackvfork && strcmp(fn, "vfork") == 0) {
ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_VFORK,
PTRACE_VFORK);
}
@@ -3110,7 +3129,7 @@
}
#endif
- if (trackvforkdone && fn == vfork) {
+ if (trackvforkdone && strcmp(fn, "vfork") == 0) {
DPRINTF("Before calling %s() for the child %d\n", TWAIT_FNAME,
child);
TWAIT_REQUIRE_SUCCESS(
@@ -3132,7 +3151,9 @@
}
#if defined(TWAIT_HAVE_PID)
- if ((trackfork && fn == fork) || (trackvfork && fn == vfork)) {
+ if ((trackspawn && strcmp(fn, "spawn") == 0) ||
+ (trackfork && strcmp(fn, "fork") == 0) ||
+ (trackvfork && strcmp(fn, "vfork") == 0)) {
DPRINTF("Before calling %s() for the forkee - expected exited"
"\n", TWAIT_FNAME);
TWAIT_REQUIRE_SUCCESS(
@@ -3168,12 +3189,13 @@
TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
}
-#define FORK_TEST(name,fun,spawn,tfork,tvfork,tvforkdone) \
+#define FORK_TEST(name,fun,tspawn,tfork,tvfork,tvforkdone) \
ATF_TC(name); \
ATF_TC_HEAD(name, tc) \
{ \
- atf_tc_set_md_var(tc, "descr", "Verify " #fun "(2) " \
- "called with 0%s%s%s in EVENT_MASK", \
+ atf_tc_set_md_var(tc, "descr", "Verify " fun "() " \
+ "called with 0%s%s%s%s in EVENT_MASK", \
+ tspawn ? "|PTRACE_FORK" : "", \
tfork ? "|PTRACE_FORK" : "", \
tvfork ? "|PTRACE_VFORK" : "", \
tvforkdone ? "|PTRACE_VFORK_DONE" : ""); \
@@ -3182,49 +3204,78 @@
ATF_TC_BODY(name, tc) \
{ \
\
- fork_body(fun, spawn, tfork, tvfork, tvforkdone); \
+ fork_body(fun, tspawn, tfork, tvfork, tvforkdone); \
}
-FORK_TEST(fork1, fork, false, false, false, false)
+FORK_TEST(fork1, "fork", false, false, false, false)
+#if defined(TWAIT_HAVE_PID)
+FORK_TEST(fork2, "fork", false, true, false, false)
+FORK_TEST(fork3, "fork", false, false, true, false)
+FORK_TEST(fork4, "fork", false, true, true, false)
+#endif
+FORK_TEST(fork5, "fork", false, false, false, true)
#if defined(TWAIT_HAVE_PID)
-FORK_TEST(fork2, fork, false, true, false, false)
-FORK_TEST(fork3, fork, false, false, true, false)
-FORK_TEST(fork4, fork, false, true, true, false)
-#endif
-FORK_TEST(fork5, fork, false, false, false, true)
+FORK_TEST(fork6, "fork", false, true, false, true)
+FORK_TEST(fork7, "fork", false, false, true, true)
+FORK_TEST(fork8, "fork", false, true, true, true)
+#endif
+FORK_TEST(fork9, "fork", true, false, false, false)
#if defined(TWAIT_HAVE_PID)
-FORK_TEST(fork6, fork, false, true, false, true)
-FORK_TEST(fork7, fork, false, false, true, true)
-FORK_TEST(fork8, fork, false, true, true, true)
+FORK_TEST(fork10, "fork", true, true, false, false)
+FORK_TEST(fork11, "fork", true, false, true, false)
+FORK_TEST(fork12, "fork", true, true, true, false)
+#endif
+FORK_TEST(fork13, "fork", true, false, false, true)
+#if defined(TWAIT_HAVE_PID)
+FORK_TEST(fork14, "fork", true, true, false, true)
+FORK_TEST(fork15, "fork", true, false, true, true)
+FORK_TEST(fork16, "fork", true, true, true, true)
#endif
#if TEST_VFORK_ENABLED
-FORK_TEST(vfork1, vfork, false, false, false, false)
+FORK_TEST(vfork1, "vfork", false, false, false, false)
+#if defined(TWAIT_HAVE_PID)
+FORK_TEST(vfork2, "vfork", false, true, false, false)
+FORK_TEST(vfork3, "vfork", false, false, true, false)
+FORK_TEST(vfork4, "vfork", false, true, true, false)
+#endif
+FORK_TEST(vfork5, "vfork", false, false, false, true)
#if defined(TWAIT_HAVE_PID)
-FORK_TEST(vfork2, vfork, false, true, false, false)
-FORK_TEST(vfork3, vfork, false, false, true, false)
-FORK_TEST(vfork4, vfork, false, true, true, false)
-#endif
-FORK_TEST(vfork5, vfork, false, false, false, true)
+FORK_TEST(vfork6, "vfork", false, true, false, true)
+FORK_TEST(vfork7, "vfork", false, false, true, true)
+FORK_TEST(vfork8, "vfork", false, true, true, true)
+#endif
+FORK_TEST(vfork9, "vfork", true, false, false, false)
+#if defined(TWAIT_HAVE_PID)
+FORK_TEST(vfork10, "vfork", true, true, false, false)
+FORK_TEST(vfork11, "vfork", true, false, true, false)
+FORK_TEST(vfork12, "vfork", true, true, true, false)
+#endif
+FORK_TEST(vfork13, "vfork", true, false, false, true)
#if defined(TWAIT_HAVE_PID)
-FORK_TEST(vfork6, vfork, false, true, false, true)
-FORK_TEST(vfork7, vfork, false, false, true, true)
-FORK_TEST(vfork8, vfork, false, true, true, true)
-#endif
-#endif
-
-/* It's ugly, but passing posix_spawn as 'bool' avoids function pointer cast */
-FORK_TEST(posix_spawn1, fork, true, false, false, false)
+FORK_TEST(vfork14, "vfork", true, true, false, true)
+FORK_TEST(vfork15, "vfork", true, false, true, true)
+FORK_TEST(vfork16, "vfork", true, true, true, true)
+#endif
+#endif
+
+FORK_TEST(posix_spawn1, "spawn", false, false, false, false)
+FORK_TEST(posix_spawn2, "spawn", false, true, false, false)
+FORK_TEST(posix_spawn3, "spawn", false, false, true, false)
+FORK_TEST(posix_spawn4, "spawn", false, true, true, false)
+FORK_TEST(posix_spawn5, "spawn", false, false, false, true)
+FORK_TEST(posix_spawn6, "spawn", false, true, false, true)
+FORK_TEST(posix_spawn7, "spawn", false, false, true, true)
+FORK_TEST(posix_spawn8, "spawn", false, true, true, true)
#if defined(TWAIT_HAVE_PID)
-FORK_TEST(posix_spawn2, fork, true, true, false, false)
-FORK_TEST(posix_spawn3, fork, true, false, true, false)
-FORK_TEST(posix_spawn4, fork, true, true, true, false)
-#endif
-FORK_TEST(posix_spawn5, fork, true, false, false, true)
-#if defined(TWAIT_HAVE_PID)
-FORK_TEST(posix_spawn6, fork, true, true, false, true)
-FORK_TEST(posix_spawn7, fork, true, false, true, true)
-FORK_TEST(posix_spawn8, fork, true, true, true, true)
+FORK_TEST(posix_spawn9, "spawn", true, false, false, false)
+FORK_TEST(posix_spawn10, "spawn", true, true, false, false)
+FORK_TEST(posix_spawn11, "spawn", true, false, true, false)
+FORK_TEST(posix_spawn12, "spawn", true, true, true, false)
+FORK_TEST(posix_spawn13, "spawn", true, false, false, true)
+FORK_TEST(posix_spawn14, "spawn", true, true, false, true)
+FORK_TEST(posix_spawn15, "spawn", true, false, true, true)
+FORK_TEST(posix_spawn16, "spawn", true, true, true, true)
#endif
/// ----------------------------------------------------------------------------
@@ -7736,6 +7787,7 @@
ATF_TP_ADD_TC(tp, eventmask_preserved_vfork_done);
ATF_TP_ADD_TC(tp, eventmask_preserved_lwp_create);
ATF_TP_ADD_TC(tp, eventmask_preserved_lwp_exit);
+ ATF_TP_ADD_TC(tp, eventmask_preserved_posix_spawn);
ATF_TP_ADD_TC(tp, fork1);
ATF_TP_ADD_TC_HAVE_PID(tp, fork2);
@@ -7745,6 +7797,14 @@
ATF_TP_ADD_TC_HAVE_PID(tp, fork6);
ATF_TP_ADD_TC_HAVE_PID(tp, fork7);
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