add: testcases for refs #885, refs #1031

This commit is contained in:
Ken Sato
2018-03-01 10:24:21 +09:00
parent 140f813d77
commit afcf1a24aa
27 changed files with 1677 additions and 5 deletions

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include "./test_chk.h"
#define TEST_NAME "CT_001"
int handled_cnt = 0;
void test_handler(int sig)
{
handled_cnt++;
}
int main(int argc, char** argv)
{
int rc = 0;
int pid = 0;
int status;
int tmp_flag = 0;
struct sigaction sa;
printf("*** %s start *******************************\n", TEST_NAME);
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
sa.sa_handler = test_handler;
sa.sa_flags = SA_RESETHAND;
rc = sigaction(SIGUSR1, &sa, NULL);
OKNG(rc != 0, "sigaction with SA_RESETHAND");
printf(" send 1st SIGUSR1\n");
kill(getpid(), SIGUSR1);
OKNG(handled_cnt != 1, "invoked test_handler");
printf(" send 2nd SIGUSR1\n");
kill(getpid(), SIGUSR1);
OKNG(1, "can't reach here");
} else { /* parent */
rc = waitpid(pid, &status, 0);
CHKANDJUMP(rc == -1, "waitpid");
if (WIFSIGNALED(status)) {
if (WTERMSIG(status) == SIGUSR1) {
tmp_flag = 1;
}
}
OKNG(tmp_flag != 1, "child is killed by SIGUSR1");
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include "./test_chk.h"
#define TEST_NAME "CT_002"
int handled_cnt = 0;
void test_handler(int sig)
{
handled_cnt++;
}
int main(int argc, char** argv)
{
int rc = 0;
int pid = 0;
int status;
int tmp_flag = 0;
struct sigaction sa;
printf("*** %s start *******************************\n", TEST_NAME);
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
sa.sa_handler = test_handler;
sa.sa_flags = 0;
rc = sigaction(SIGUSR1, &sa, NULL);
OKNG(rc != 0, "sigaction (no SA_RESETHAND)");
printf(" send 1st SIGUSR1\n");
kill(getpid(), SIGUSR1);
OKNG(handled_cnt != 1, "invoked test_handler");
printf(" send 2nd SIGUSR1\n");
kill(getpid(), SIGUSR1);
OKNG(handled_cnt != 2, "invoked test_handler again");
_exit(123);
} else { /* parent */
rc = waitpid(pid, &status, 0);
CHKANDJUMP(rc == -1, "waitpid");
if (!WIFSIGNALED(status) &&
WIFEXITED(status)) {
if (WEXITSTATUS(status) == 123) {
tmp_flag = 1;
}
}
OKNG(tmp_flag != 1, "child exited normaly");
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include "./test_chk.h"
#define TEST_NAME "CT_003"
int handled_cnt = 0;
void test_handler(int sig)
{
handled_cnt++;
}
int main(int argc, char** argv)
{
int rc = 0;
int pid = 0;
int status;
int tmp_flag = 0;
struct sigaction sa;
printf("*** %s start *******************************\n", TEST_NAME);
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
sa.sa_handler = test_handler;
sa.sa_flags |= SA_RESETHAND;
rc = sigaction(SIGUSR1, &sa, NULL);
OKNG(rc != 0, "sigaction with SA_RESETHAND");
sa.sa_flags = 0;
rc = sigaction(SIGUSR1, &sa, NULL);
OKNG(rc != 0, "sigaction (rewrite no SA_RESETHAND)");
printf(" send 1st SIGUSR1\n");
kill(getpid(), SIGUSR1);
OKNG(handled_cnt != 1, "invoked test_handler");
printf(" send 2nd SIGUSR1\n");
kill(getpid(), SIGUSR1);
OKNG(handled_cnt != 2, "invoked test_handler again");
_exit(123);
} else { /* parent */
rc = waitpid(pid, &status, 0);
CHKANDJUMP(rc == -1, "waitpid");
if (!WIFSIGNALED(status) &&
WIFEXITED(status)) {
if (WEXITSTATUS(status) == 123) {
tmp_flag = 1;
}
}
OKNG(tmp_flag != 1, "child exited normaly");
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include "./test_chk.h"
#define TEST_NAME "CT_004"
int handled_cnt = 0;
int handled_cnt2 = 0;
void test_handler(int sig)
{
handled_cnt++;
}
void test_handler2(int sig)
{
handled_cnt2++;
}
int main(int argc, char** argv)
{
int rc = 0;
int pid = 0;
int status;
int tmp_flag = 0;
struct sigaction sa;
struct sigaction sa2;
printf("*** %s start *******************************\n", TEST_NAME);
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
sa.sa_handler = test_handler;
sa.sa_flags |= SA_RESETHAND;
sa2.sa_handler = test_handler2;
sa2.sa_flags |= SA_RESETHAND;
rc = sigaction(SIGUSR1, &sa, NULL);
OKNG(rc != 0, "sigaction with SA_RESETHAND to SIGUSR1");
rc = sigaction(SIGUSR2, &sa2, NULL);
OKNG(rc != 0, "sigaction with SA_RESETHAND to SIGUSR2");
printf(" send 1st SIGUSR1\n");
kill(getpid(), SIGUSR1);
OKNG(handled_cnt != 1, "invoked test_handler");
printf(" send 1st SIGUSR2\n");
kill(getpid(), SIGUSR2);
OKNG(handled_cnt2 != 1, "invoked test_handler2");
printf(" send 2nd SIGUSR1\n");
kill(getpid(), SIGUSR1);
OKNG(1, "can't reach here");
} else { /* parent */
rc = waitpid(pid, &status, 0);
CHKANDJUMP(rc == -1, "waitpid");
if (WIFSIGNALED(status)) {
if (WTERMSIG(status) == SIGUSR1) {
tmp_flag = 1;
}
}
OKNG(tmp_flag != 1, "child is killed by SIGUSR1");
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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@ -0,0 +1,71 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include "./test_chk.h"
#define TEST_NAME "CT_005"
int handled_cnt = 0;
void test_handler(int sig)
{
handled_cnt++;
}
int main(int argc, char** argv)
{
int rc = 0;
int pid = 0;
int status;
int tmp_flag = 0;
struct sigaction sa;
printf("*** %s start *******************************\n", TEST_NAME);
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
sa.sa_handler = test_handler;
sa.sa_flags = SA_RESETHAND;
rc = sigaction(SIGUSR1, &sa, NULL);
OKNG(rc != 0, "sigaction with SA_RESETHAND");
printf(" send 1st SIGUSR1\n");
kill(getpid(), SIGUSR1);
OKNG(handled_cnt != 1, "invoked test_handler");
rc = sigaction(SIGUSR1, &sa, NULL);
OKNG(rc != 0, "sigaction with SA_RESETHAND again");
printf(" send 2nd SIGUSR1\n");
kill(getpid(), SIGUSR1);
OKNG(handled_cnt != 2, "invoked test_handler again");
printf(" send 3rd SIGUSR1\n");
kill(getpid(), SIGUSR1);
OKNG(1, "can't reach here");
} else { /* parent */
rc = waitpid(pid, &status, 0);
CHKANDJUMP(rc == -1, "waitpid");
if (WIFSIGNALED(status)) {
if (WTERMSIG(status) == SIGUSR1) {
tmp_flag = 1;
}
}
OKNG(tmp_flag != 1, "child is killed by SIGUSR1");
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include "./test_chk.h"
#define TEST_NAME "CT_006"
int handled_cnt = 0;
void test_handler(int sig)
{
handled_cnt++;
}
int main(int argc, char** argv)
{
int rc = 0;
int status;
int tmp_flag = 0;
struct sigaction sa, old_act;
printf("*** %s start *******************************\n", TEST_NAME);
sa.sa_handler = test_handler;
sa.sa_flags = SA_RESETHAND;
rc = sigaction(SIGUSR1, &sa, NULL);
OKNG(rc != 0, "sigaction with SA_RESETHAND");
rc = sigaction(SIGUSR1, NULL, &old_act);
OKNG(rc != 0, "sigaction to get current action");
if (old_act.sa_handler == test_handler &&
old_act.sa_flags & SA_RESETHAND) {
tmp_flag = 1;
}
OKNG(tmp_flag != 1, "check current act");
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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@ -0,0 +1,52 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include "./test_chk.h"
#define TEST_NAME "CT_007"
int handled_cnt = 0;
void test_handler(int sig)
{
handled_cnt++;
}
int main(int argc, char** argv)
{
int rc = 0;
int status;
int tmp_flag = 0;
struct sigaction sa, old_act;
printf("*** %s start *******************************\n", TEST_NAME);
sa.sa_handler = test_handler;
sa.sa_flags = SA_RESETHAND;
rc = sigaction(SIGUSR1, &sa, NULL);
OKNG(rc != 0, "sigaction with SA_RESETHAND");
printf(" send 1st SIGUSR1\n");
kill(getpid(), SIGUSR1);
OKNG(handled_cnt != 1, "invoked test_handler");
rc = sigaction(SIGUSR1, NULL, &old_act);
OKNG(rc != 0, "sigaction to get current action");
if (old_act.sa_handler == SIG_DFL) {
tmp_flag = 1;
}
OKNG(tmp_flag != 1, "check current act (after reset)");
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include "./test_chk.h"
#define TEST_NAME "CT_008"
int handled_cnt = 0;
void test_handler(int sig)
{
handled_cnt++;
}
int main(int argc, char** argv)
{
int rc = 0;
int status;
int tmp_flag = 0;
struct sigaction sa, old_act;
printf("*** %s start *******************************\n", TEST_NAME);
rc = sigaction(0, &sa, NULL);
OKNG(rc != -1, "sigaction 0 failed");
rc = sigaction(_NSIG, &sa, NULL);
OKNG(rc != -1, "sigaction _NSIG failed");
rc = sigaction(SIGKILL, &sa, NULL);
OKNG(rc != -1, "sigaction SIGKILL failed");
rc = sigaction(SIGSTOP, &sa, NULL);
OKNG(rc != -1, "sigaction SIGSTOP failed");
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include "./test_chk.h"
#define TEST_NAME "CT_009"
int main(int argc, char** argv)
{
int rc = 0;
int status;
int tmp_flag = 0;
struct sigaction old_act;
printf("*** %s start *******************************\n", TEST_NAME);
rc = sigaction(SIGKILL, NULL, &old_act);
OKNG(rc != 0, "sigaction to get SIGKILL action");
if (old_act.sa_handler == SIG_DFL) {
tmp_flag = 1;
}
OKNG(tmp_flag != 1, "check SIGKILL act");
rc = sigaction(SIGKILL, NULL, &old_act);
OKNG(rc != 0, "sigaction to get SIGSTOP action");
tmp_flag = 0;
if (old_act.sa_handler == SIG_DFL) {
tmp_flag = 1;
}
OKNG(tmp_flag != 1, "check SIGSTOP act");
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include "./test_chk.h"
#define TEST_NAME "CT_010"
int main(int argc, char** argv)
{
int rc = 0;
int status;
printf("*** %s start *******************************\n", TEST_NAME);
rc = sigaction(SIGUSR1, NULL, NULL);
OKNG(rc != 0, "SIGUSR1 is valid");
rc = sigaction(SIGKILL, NULL, NULL);
OKNG(rc != 0, "SIGKILL is valid");
rc = sigaction(SIGSTOP, NULL, NULL);
OKNG(rc != 0, "SIGSTOP is valid");
rc = sigaction(_NSIG, NULL, NULL);
OKNG(rc != -1, "_NSIG is invalid");
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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CC = gcc
MCK_DIR=/home/satoken/ppos
MCEXEC=$(MCK_DIR)/bin/mcexec
TARGET=CT_001 CT_002 CT_003 CT_004 CT_005 CT_006 CT_007 CT_008 CT_009 CT_010
CPPFLAGS =
LDFLAGS =
all: $(TARGET)
CT_001: CT_001.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_002: CT_002.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_003: CT_003.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_004: CT_004.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_005: CT_005.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_006: CT_006.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_007: CT_007.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_008: CT_008.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_009: CT_009.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_010: CT_010.c
$(CC) -o $@ $^ $(LDFLAGS)
test: all
$(MCEXEC) ./CT_001
$(MCEXEC) ./CT_002
$(MCEXEC) ./CT_003
$(MCEXEC) ./CT_004
$(MCEXEC) ./CT_005
$(MCEXEC) ./CT_006
$(MCEXEC) ./CT_007
$(MCEXEC) ./CT_008
$(MCEXEC) ./CT_009
$(MCEXEC) ./CT_010
clean:
rm -f $(TARGET) *.o

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@ -85,6 +85,7 @@ CT_010: sig_numの有効確認
1. sigaction(SIGUSR1, NULL, NULL) で有効かどうかを確認
2. sigaction(SIGKILL, NULL, NULL) で有効かどうかを確認
3. sigaction(SIGSTOP, NULL, NULL) で有効かどうかを確認
4. sigaction(_NSIG, NULL, NULL) で有効かどうかを確認
3. 結果
テストプログラムの実行結果をresult.log に示す。

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①Issueで報告されたテストプログラムによる確認
$ mcexec ./test_mck -s rt_sigaction -n 4
TEST_SUITE: rt_sigaction
TEST_NUMBER: 4
ARGS:
/-------- Signal handler will activate -------/
sig#10 is handled.
/------ Process will terminate by signal -----/
Terminate by signal 10
User defined signal 1
②McKernelでのsigaction()の基本動作確認
/home/satoken/ppos/bin/mcexec ./CT_001
*** CT_001 start *******************************
[OK] sigaction with SA_RESETHAND
send 1st SIGUSR1
[OK] invoked test_handler
send 2nd SIGUSR1
[OK] child is killed by SIGUSR1
*** CT_001 PASSED
/home/satoken/ppos/bin/mcexec ./CT_002
*** CT_002 start *******************************
[OK] sigaction (no SA_RESETHAND)
send 1st SIGUSR1
[OK] invoked test_handler
send 2nd SIGUSR1
[OK] invoked test_handler again
[OK] child exited normaly
*** CT_002 PASSED
/home/satoken/ppos/bin/mcexec ./CT_003
*** CT_003 start *******************************
[OK] sigaction with SA_RESETHAND
[OK] sigaction (rewrite no SA_RESETHAND)
send 1st SIGUSR1
[OK] invoked test_handler
send 2nd SIGUSR1
[OK] invoked test_handler again
[OK] child exited normaly
*** CT_003 PASSED
/home/satoken/ppos/bin/mcexec ./CT_004
*** CT_004 start *******************************
[OK] sigaction with SA_RESETHAND to SIGUSR1
[OK] sigaction with SA_RESETHAND to SIGUSR2
send 1st SIGUSR1
[OK] invoked test_handler
send 1st SIGUSR2
[OK] invoked test_handler2
send 2nd SIGUSR1
[OK] child is killed by SIGUSR1
*** CT_004 PASSED
/home/satoken/ppos/bin/mcexec ./CT_005
*** CT_005 start *******************************
[OK] sigaction with SA_RESETHAND
send 1st SIGUSR1
[OK] invoked test_handler
[OK] sigaction with SA_RESETHAND again
send 2nd SIGUSR1
[OK] invoked test_handler again
send 3rd SIGUSR1
[OK] child is killed by SIGUSR1
*** CT_005 PASSED
/home/satoken/ppos/bin/mcexec ./CT_006
*** CT_006 start *******************************
[OK] sigaction with SA_RESETHAND
[OK] sigaction to get current action
[OK] check current act
*** CT_006 PASSED
/home/satoken/ppos/bin/mcexec ./CT_007
*** CT_007 start *******************************
[OK] sigaction with SA_RESETHAND
send 1st SIGUSR1
[OK] invoked test_handler
[OK] sigaction to get current action
[OK] check current act (after reset)
*** CT_007 PASSED
/home/satoken/ppos/bin/mcexec ./CT_008
*** CT_008 start *******************************
[OK] sigaction 0 failed
[OK] sigaction _NSIG failed
[OK] sigaction SIGKILL failed
[OK] sigaction SIGSTOP failed
*** CT_008 PASSED
/home/satoken/ppos/bin/mcexec ./CT_009
*** CT_009 start *******************************
[OK] sigaction to get SIGKILL action
[OK] check SIGKILL act
[OK] sigaction to get SIGSTOP action
[OK] check SIGSTOP act
*** CT_009 PASSED
/home/satoken/ppos/bin/mcexec ./CT_010
*** CT_010 start *******************************
[OK] SIGUSR1 is valid
[OK] SIGKILL is valid
[OK] SIGSTOP is valid
[OK] _NSIG is invalid
*** CT_010 PASSED

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@ -0,0 +1,25 @@
#ifndef HEADER_TEST_CHK_H
#define HEADER_TEST_CHK_H
#define CHKANDJUMP(cond, ...) \
do { \
if (cond) { \
fprintf(stderr, " [NG] "); \
fprintf(stderr, __VA_ARGS__); \
fprintf(stderr, " failed\n"); \
goto fn_fail; \
} \
} while(0);
#define OKNG(cond, ...) \
do { \
if (cond) { \
CHKANDJUMP(cond, __VA_ARGS__); \
} else { \
fprintf(stdout, " [OK] "); \
fprintf(stdout, __VA_ARGS__); \
fprintf(stdout, "\n"); \
} \
} while(0);
#endif

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@ -0,0 +1,77 @@
#include <unistd.h>
#include <stdio.h>
#include <sys/mman.h>
#include <semaphore.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include "./test_chk.h"
#define TEST_NAME "CT_001"
int main(int argc, char** argv)
{
pid_t pid = 0;
sem_t *pwait = NULL;
sem_t *cwait = NULL;
void *mem, *attach;
int rc = 0;
int status;
printf("*** %s start *******************************\n", TEST_NAME);
pwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
cwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
CHKANDJUMP(!pwait || !cwait, "mmap for sem");
rc |= sem_init(pwait, 1, 0);
rc |= sem_init(cwait, 1, 0);
CHKANDJUMP(rc, "sem_init");
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
/* wake parent */
sem_post(pwait);
/* wait */
sem_wait(cwait);
_exit(123);
} else { /* parent */
/* wait */
sem_wait(pwait);
/* attach child */
rc = ptrace(PTRACE_ATTACH, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_attach");
/* wake child */
sem_post(cwait);
/* wait child stop */
rc = waitpid(pid, &status, 0);
CHKANDJUMP(rc == -1, "waitpid");
CHKANDJUMP(!WIFSTOPPED(status), "child is not stopped");
/* detach child */
rc = ptrace(PTRACE_DETACH, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_detach");
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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#include <unistd.h>
#include <stdio.h>
#include <sys/mman.h>
#include <semaphore.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include "./test_chk.h"
#define TEST_NAME "CT_002"
int main(int argc, char** argv)
{
pid_t pid = 0;
sem_t *pwait = NULL;
sem_t *cwait = NULL;
void *mem, *attach;
int rc = 0;
int status;
printf("*** %s start *******************************\n", TEST_NAME);
pwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
cwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
CHKANDJUMP(!pwait || !cwait, "mmap for sem");
rc |= sem_init(pwait, 1, 0);
rc |= sem_init(cwait, 1, 0);
CHKANDJUMP(rc, "sem_init");
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
/* wake parent */
sem_post(pwait);
/* wait */
sem_wait(cwait);
_exit(123);
} else { /* parent */
/* wait */
sem_wait(pwait);
/* attach child */
rc = ptrace(PTRACE_ATTACH, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_attach");
/* wake child */
sem_post(cwait);
/* wait child stop */
rc = waitpid(pid, &status, 0);
CHKANDJUMP(rc == -1, "waitpid");
CHKANDJUMP(!WIFSTOPPED(status), "child is not stopped");
/* continue child */
rc = ptrace(PTRACE_CONT, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_cont");
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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@ -0,0 +1,80 @@
#include <unistd.h>
#include <stdio.h>
#include <sys/mman.h>
#include <semaphore.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include "./test_chk.h"
#define TEST_NAME "CT_003"
int main(int argc, char** argv)
{
pid_t pid = 0;
sem_t *pwait = NULL;
sem_t *cwait = NULL;
void *mem, *attach;
int rc = 0;
int status;
printf("*** %s start *******************************\n", TEST_NAME);
pwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
cwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
CHKANDJUMP(!pwait || !cwait, "mmap for sem");
rc |= sem_init(pwait, 1, 0);
rc |= sem_init(cwait, 1, 0);
CHKANDJUMP(rc, "sem_init");
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
/* wake parent */
sem_post(pwait);
/* wait */
sem_wait(cwait);
sleep(1);
OKNG(getppid() != 1, "orphan process");
} else { /* parent */
/* wait */
sem_wait(pwait);
/* attach child */
rc = ptrace(PTRACE_ATTACH, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_attach");
/* wake child */
sem_post(cwait);
/* wait child stop */
rc = waitpid(pid, &status, 0);
CHKANDJUMP(rc == -1, "waitpid");
CHKANDJUMP(!WIFSTOPPED(status), "child is not stopped");
/* continue child */
rc = ptrace(PTRACE_CONT, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_cont");
_exit(0);
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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@ -0,0 +1,123 @@
#include <unistd.h>
#include <stdio.h>
#include <sys/mman.h>
#include <semaphore.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include "./test_chk.h"
#define TEST_NAME "CT_004"
int main(int argc, char** argv)
{
pid_t pid = 0;
sem_t *pwait = NULL;
sem_t *cwait = NULL;
void *mem, *attach;
int rc = 0;
int status;
printf("*** %s start *******************************\n", TEST_NAME);
pwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
cwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
CHKANDJUMP(!pwait || !cwait, "mmap for sem");
rc |= sem_init(pwait, 1, 0);
rc |= sem_init(cwait, 1, 0);
CHKANDJUMP(rc, "sem_init");
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
/* wake parent */
sem_post(pwait);
/* wait */
sem_wait(cwait);
/* wake parent */
sem_post(pwait);
/* wait */
sem_wait(cwait);
/* wake parent */
sem_post(pwait);
/* wait */
sem_wait(cwait);
_exit(123);
} else { /* parent */
/* wait */
sem_wait(pwait);
/* attach child */
rc = ptrace(PTRACE_ATTACH, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_attach");
/* wake child */
sem_post(cwait);
/* wait child stop */
rc = waitpid(pid, &status, 0);
CHKANDJUMP(rc == -1, "waitpid");
CHKANDJUMP(!WIFSTOPPED(status), "child is not stopped");
/* detach child */
rc = ptrace(PTRACE_DETACH, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_detach");
/* wait */
sem_wait(pwait);
/* attach child */
rc = ptrace(PTRACE_ATTACH, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_attach again");
/* wake child */
sem_post(cwait);
/* wait child stop */
rc = waitpid(pid, &status, 0);
CHKANDJUMP(rc == -1, "waitpid");
if (WIFEXITED(status)) {
printf("exited:%d\n", WEXITSTATUS(status));
}
if (WIFSIGNALED(status)) {
printf("signaled\n");
}
if (WIFCONTINUED(status)) {
printf("continued\n");
}
CHKANDJUMP(!WIFSTOPPED(status), "child is not stopped again");
/* detach child */
rc = ptrace(PTRACE_DETACH, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_detach again");
/* wake child */
sem_post(cwait);
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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@ -0,0 +1,76 @@
#include <unistd.h>
#include <stdio.h>
#include <sys/mman.h>
#include <semaphore.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include "./test_chk.h"
#define TEST_NAME "CT_005"
int main(int argc, char** argv)
{
pid_t pid = 0;
sem_t *pwait = NULL;
sem_t *cwait = NULL;
void *mem, *attach;
int rc = 0;
int status;
printf("*** %s start *******************************\n", TEST_NAME);
pwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
cwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
CHKANDJUMP(!pwait || !cwait, "mmap for sem");
rc |= sem_init(pwait, 1, 0);
rc |= sem_init(cwait, 1, 0);
CHKANDJUMP(rc, "sem_init");
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
/* wake parent */
sem_post(pwait);
/* wait */
sem_wait(cwait);
_exit(123);
} else { /* parent */
/* wait */
sem_wait(pwait);
/* invalid attach */
rc = ptrace(PTRACE_ATTACH, 0, NULL, NULL);
OKNG(rc == 0, "ptrace_attach 0 failed [invalid pid]");
/* invalid attach */
rc = ptrace(PTRACE_ATTACH, 1, NULL, NULL);
OKNG(rc == 0, "ptrace_attach 1 failed [invalid pid]");
/* invalid attach */
rc = ptrace(PTRACE_ATTACH, getpid(), NULL, NULL);
OKNG(rc == 0, "ptrace_attach self failed [invalid pid]");
/* wake child */
sem_post(cwait);
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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@ -0,0 +1,81 @@
#include <unistd.h>
#include <stdio.h>
#include <sys/mman.h>
#include <semaphore.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include "./test_chk.h"
#define TEST_NAME "CT_006"
int main(int argc, char** argv)
{
pid_t pid = 0;
sem_t *pwait = NULL;
sem_t *cwait = NULL;
void *mem, *attach;
int rc = 0;
int status;
printf("*** %s start *******************************\n", TEST_NAME);
pwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
cwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
CHKANDJUMP(!pwait || !cwait, "mmap for sem");
rc |= sem_init(pwait, 1, 0);
rc |= sem_init(cwait, 1, 0);
CHKANDJUMP(rc, "sem_init");
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
/* wake parent */
sem_post(pwait);
/* wait */
sem_wait(cwait);
_exit(123);
} else { /* parent */
/* wait */
sem_wait(pwait);
/* normal attach */
rc = ptrace(PTRACE_ATTACH, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_attach");
/* attach twice*/
rc = ptrace(PTRACE_ATTACH, pid, NULL, NULL);
OKNG(rc == 0, "ptrace_attach failed [double attach]");
/* wake child */
sem_post(cwait);
/* wait child stop */
rc = waitpid(pid, &status, 0);
CHKANDJUMP(rc == -1, "waitpid");
CHKANDJUMP(!WIFSTOPPED(status), "child is not stopped");
/* detach child */
rc = ptrace(PTRACE_DETACH, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_detach");
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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@ -0,0 +1,69 @@
#include <unistd.h>
#include <stdio.h>
#include <sys/mman.h>
#include <semaphore.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include "./test_chk.h"
#define TEST_NAME "CT_007"
int main(int argc, char** argv)
{
pid_t pid = 0;
sem_t *pwait = NULL;
sem_t *cwait = NULL;
void *mem, *attach;
int rc = 0;
int status;
printf("*** %s start *******************************\n", TEST_NAME);
pwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
cwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
CHKANDJUMP(!pwait || !cwait, "mmap for sem");
rc |= sem_init(pwait, 1, 0);
rc |= sem_init(cwait, 1, 0);
CHKANDJUMP(rc, "sem_init");
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
rc = ptrace(PTRACE_TRACEME, 0, NULL, NULL);
/* wake parent */
sem_post(pwait);
/* wait */
sem_wait(cwait);
_exit(123);
} else { /* parent */
/* wait */
sem_wait(pwait);
/* attach after traceme*/
rc = ptrace(PTRACE_ATTACH, pid, NULL, NULL);
OKNG(rc == 0, "ptrace_attach failed [after traceme]");
/* wake child */
sem_post(cwait);
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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@ -0,0 +1,80 @@
#include <unistd.h>
#include <stdio.h>
#include <sys/mman.h>
#include <semaphore.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include "./test_chk.h"
#define TEST_NAME "CT_008"
int main(int argc, char** argv)
{
pid_t pid = 0;
sem_t *pwait = NULL;
sem_t *cwait = NULL;
void *mem, *attach;
int rc = 0;
int status;
printf("*** %s start *******************************\n", TEST_NAME);
pwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
cwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
CHKANDJUMP(!pwait || !cwait, "mmap for sem");
rc |= sem_init(pwait, 1, 0);
rc |= sem_init(cwait, 1, 0);
CHKANDJUMP(rc, "sem_init");
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
/* wake parent */
sem_post(pwait);
/* wait */
sem_wait(cwait);
_exit(123);
} else { /* parent */
/* wait */
sem_wait(pwait);
/* invalid detach */
rc = ptrace(PTRACE_DETACH, 0, NULL, NULL);
OKNG(rc == 0, "ptrace_detach 0 failed [invalid pid]");
/* invalid detach */
rc = ptrace(PTRACE_DETACH, 1, NULL, NULL);
OKNG(rc == 0, "ptrace_detach 1 failed [invalid pid]");
/* invalid detach */
rc = ptrace(PTRACE_DETACH, pid, NULL, NULL);
OKNG(rc == 0, "ptrace_detach child failed [not attached]");
/* invalid detach */
rc = ptrace(PTRACE_DETACH, pid, NULL, NULL);
OKNG(rc == 0, "ptrace_detach self failed [invalid pid]");
/* wake child */
sem_post(cwait);
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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@ -0,0 +1,87 @@
#include <unistd.h>
#include <stdio.h>
#include <sys/mman.h>
#include <semaphore.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include "./test_chk.h"
#define TEST_NAME "CT_009"
int main(int argc, char** argv)
{
pid_t pid = 0;
sem_t *pwait = NULL;
sem_t *cwait = NULL;
void *mem, *attach;
int rc = 0;
int status;
printf("*** %s start *******************************\n", TEST_NAME);
pwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
cwait = (sem_t *)mmap(NULL, sizeof(sem_t), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
CHKANDJUMP(!pwait || !cwait, "mmap for sem");
rc |= sem_init(pwait, 1, 0);
rc |= sem_init(cwait, 1, 0);
CHKANDJUMP(rc, "sem_init");
pid = fork();
CHKANDJUMP(pid == -1, "fork");
if (pid == 0) { /* child */
/* wake parent */
sem_post(pwait);
/* wait */
sem_wait(cwait);
/* wait */
sem_wait(cwait);
_exit(123);
} else { /* parent */
/* wait */
sem_wait(pwait);
/* attach child */
rc = ptrace(PTRACE_ATTACH, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_attach");
/* wake child */
sem_post(cwait);
/* wait child stop */
rc = waitpid(pid, &status, 0);
CHKANDJUMP(rc == -1, "waitpid");
CHKANDJUMP(!WIFSTOPPED(status), "child is not stopped");
/* detach child */
rc = ptrace(PTRACE_DETACH, pid, NULL, NULL);
OKNG(rc != 0, "ptrace_detach");
/* detach child twice*/
rc = ptrace(PTRACE_DETACH, pid, NULL, NULL);
OKNG(rc == 0, "ptrace_detach faild [double detach]");
/* wake child */
sem_post(cwait);
}
printf("*** %s PASSED\n\n", TEST_NAME);
return 0;
fn_fail:
printf("*** %s FAILED\n\n", TEST_NAME);
return -1;
}

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@ -0,0 +1,53 @@
CC = gcc
MCK_DIR=/home/satoken/ppos
MCEXEC=$(MCK_DIR)/bin/mcexec
TARGET=CT_001 CT_002 CT_003 CT_004 CT_005 CT_006 CT_007 CT_008 CT_009
CPPFLAGS =
LDFLAGS = -pthread
all: $(TARGET)
CT_001: CT_001.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_002: CT_002.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_003: CT_003.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_004: CT_004.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_005: CT_005.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_006: CT_006.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_007: CT_007.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_008: CT_008.c
$(CC) -o $@ $^ $(LDFLAGS)
CT_009: CT_009.c
$(CC) -o $@ $^ $(LDFLAGS)
test: all
$(MCEXEC) ./CT_001
$(MCEXEC) ./CT_002
$(MCEXEC) ./CT_003
@sleep 2
$(MCEXEC) ./CT_004
$(MCEXEC) ./CT_005
$(MCEXEC) ./CT_006
$(MCEXEC) ./CT_007
$(MCEXEC) ./CT_008
$(MCEXEC) ./CT_009
clean:
rm -f $(TARGET) *.o

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@ -1,6 +1,6 @@
【Issue#885 動作確認】
Issue#885が解決され、既存機能に影響がないことをIssueで報告されたテストプログラム2項目と、
McKernelでのptraceのattach/detach操作の基本動作確認8項目の計10項目のテストによって確認した。
McKernelでのptraceのattach/detach操作の基本動作確認9項目の計11項目のテストによって確認した。
なお、各テストの実行結果は./result.log として格納している。
①Issueで報告されたテストプログラムによる確認
@ -45,15 +45,17 @@ CT_005: 不正なpid指定のattach
1. 不正なpid(0, 1, 負数)を指定したattach
2. 自身のpidを指定したattach
CT_006: attach済の子プロセスへのattach
CT_006: attach済の子プロセスへのattach
1. 既にattachしている子プロセスへ再びattach
2. tracemeした子プロセスへattach
CT_007: 不正なpid指定のdetach
CT_007: attach済の子プロセスへのattach
1. tracemeした子プロセスへattach
CT_008: 不正なpid指定のdetach
1. 不正なpid(0, 1, 負数)を指定したdetach
2. attachしていない子プロセスのpidを指定したdetach
CT_008: detach済の子プロセスへのdetach
CT_009: detach済の子プロセスへのdetach
1. 既にdetachしていいる子プロセスへ再びdetach
3. 結果

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@ -0,0 +1,78 @@
①Issueで報告されたテストプログラムによる確認
$ mcexec test_set/bin/test_mck -s ptrace -n 19
TEST_SUITE: ptrace
TEST_NUMBER: 19
ARGS:
child is stopped.
RESULT: ok
$ mcexec test_set/bin/test_mck -s ptrace -n 20
TEST_SUITE: ptrace
TEST_NUMBER: 20
ARGS:
child detach OK.
RESULT: ok
②McKernelでのptraceのattach/detachの基本動作確認
/home/satoken/ppos/bin/mcexec ./CT_001
*** CT_001 start *******************************
[OK] ptrace_attach
[OK] ptrace_detach
*** CT_001 PASSED
/home/satoken/ppos/bin/mcexec ./CT_002
*** CT_002 start *******************************
[OK] ptrace_attach
[OK] ptrace_cont
*** CT_002 PASSED
/home/satoken/ppos/bin/mcexec ./CT_003
*** CT_003 start *******************************
[OK] ptrace_attach
[OK] ptrace_cont
[OK] orphan process
*** CT_003 PASSED
/home/satoken/ppos/bin/mcexec ./CT_004
*** CT_004 start *******************************
[OK] ptrace_attach
[OK] ptrace_detach
[OK] ptrace_attach again
[OK] ptrace_detach again
*** CT_004 PASSED
/home/satoken/ppos/bin/mcexec ./CT_005
*** CT_005 start *******************************
[OK] ptrace_attach 0 failed [invalid pid]
[OK] ptrace_attach 1 failed [invalid pid]
[OK] ptrace_attach self failed [invalid pid]
*** CT_005 PASSED
/home/satoken/ppos/bin/mcexec ./CT_006
*** CT_006 start *******************************
[OK] ptrace_attach
[OK] ptrace_attach failed [double attach]
[OK] ptrace_detach
*** CT_006 PASSED
/home/satoken/ppos/bin/mcexec ./CT_007
*** CT_007 start *******************************
[OK] ptrace_attach failed [after traceme]
*** CT_007 PASSED
/home/satoken/ppos/bin/mcexec ./CT_008
*** CT_008 start *******************************
[OK] ptrace_detach 0 failed [invalid pid]
[OK] ptrace_detach 1 failed [invalid pid]
[OK] ptrace_detach child failed [not attached]
[OK] ptrace_detach self failed [invalid pid]
*** CT_008 PASSED
/home/satoken/ppos/bin/mcexec ./CT_009
*** CT_009 start *******************************
[OK] ptrace_attach
[OK] ptrace_detach
[OK] ptrace_detach faild [double detach]
*** CT_009 PASSED

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@ -0,0 +1,25 @@
#ifndef HEADER_TEST_CHK_H
#define HEADER_TEST_CHK_H
#define CHKANDJUMP(cond, ...) \
do { \
if (cond) { \
fprintf(stderr, " [NG] "); \
fprintf(stderr, __VA_ARGS__); \
fprintf(stderr, " failed\n"); \
goto fn_fail; \
} \
} while(0);
#define OKNG(cond, ...) \
do { \
if (cond) { \
CHKANDJUMP(cond, __VA_ARGS__); \
} else { \
fprintf(stdout, " [OK] "); \
fprintf(stdout, __VA_ARGS__); \
fprintf(stdout, "\n"); \
} \
} while(0);
#endif