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Message-Id: <20170727010213.26580-1-shuahkh@osg.samsung.com>
Date: Wed, 26 Jul 2017 19:02:13 -0600
From: Shuah Khan <shuahkh@....samsung.com>
To: shuah@...nel.org, akpm@...ux-foundation.org, stsp@...t.ru
Cc: Shuah Khan <shuahkh@....samsung.com>,
linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] selftests: sigaltstack: convert to use TAP13 ksft framework
Convert to use TAP13 ksft framework to output results.
Signed-off-by: Shuah Khan <shuahkh@....samsung.com>
---
tools/testing/selftests/sigaltstack/sas.c | 53 ++++++++++++++++++-------------
1 file changed, 31 insertions(+), 22 deletions(-)
diff --git a/tools/testing/selftests/sigaltstack/sas.c b/tools/testing/selftests/sigaltstack/sas.c
index ccd07343d418..7d406c3973ba 100644
--- a/tools/testing/selftests/sigaltstack/sas.c
+++ b/tools/testing/selftests/sigaltstack/sas.c
@@ -17,6 +17,8 @@
#include <assert.h>
#include <errno.h>
+#include "../kselftest.h"
+
#ifndef SS_AUTODISARM
#define SS_AUTODISARM (1U << 31)
#endif
@@ -41,8 +43,7 @@ void my_usr1(int sig, siginfo_t *si, void *u)
if (sp < (unsigned long)sstack ||
sp >= (unsigned long)sstack + SIGSTKSZ) {
- printf("[FAIL]\tSP is not on sigaltstack\n");
- exit(EXIT_FAILURE);
+ ksft_exit_fail_msg("SP is not on sigaltstack\n");
}
/* put some data on stack. other sighandler will try to overwrite it */
aa = alloca(1024);
@@ -50,21 +51,22 @@ void my_usr1(int sig, siginfo_t *si, void *u)
p = (struct stk_data *)(aa + 512);
strcpy(p->msg, msg);
p->flag = 1;
- printf("[RUN]\tsignal USR1\n");
+ ksft_print_msg("[RUN]\tsignal USR1\n");
err = sigaltstack(NULL, &stk);
if (err) {
- perror("[FAIL]\tsigaltstack()");
+ ksft_exit_fail_msg("sigaltstack() - %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
if (stk.ss_flags != SS_DISABLE)
- printf("[FAIL]\tss_flags=%x, should be SS_DISABLE\n",
+ ksft_test_result_fail("tss_flags=%x, should be SS_DISABLE\n",
stk.ss_flags);
else
- printf("[OK]\tsigaltstack is disabled in sighandler\n");
+ ksft_test_result_pass(
+ "sigaltstack is disabled in sighandler\n");
swapcontext(&sc, &uc);
- printf("%s\n", p->msg);
+ ksft_print_msg("%s\n", p->msg);
if (!p->flag) {
- printf("[RUN]\tAborting\n");
+ ksft_exit_skip("[RUN]\tAborting\n");
exit(EXIT_FAILURE);
}
}
@@ -74,13 +76,13 @@ void my_usr2(int sig, siginfo_t *si, void *u)
char *aa;
struct stk_data *p;
- printf("[RUN]\tsignal USR2\n");
+ ksft_print_msg("[RUN]\tsignal USR2\n");
aa = alloca(1024);
/* dont run valgrind on this */
/* try to find the data stored by previous sighandler */
p = memmem(aa, 1024, msg, strlen(msg));
if (p) {
- printf("[FAIL]\tsigaltstack re-used\n");
+ ksft_test_result_fail("sigaltstack re-used\n");
/* corrupt the data */
strcpy(p->msg, msg2);
/* tell other sighandler that his data is corrupted */
@@ -90,7 +92,7 @@ void my_usr2(int sig, siginfo_t *si, void *u)
static void switch_fn(void)
{
- printf("[RUN]\tswitched to user ctx\n");
+ ksft_print_msg("[RUN]\tswitched to user ctx\n");
raise(SIGUSR2);
setcontext(&sc);
}
@@ -101,6 +103,8 @@ int main(void)
stack_t stk;
int err;
+ ksft_print_header();
+
sigemptyset(&act.sa_mask);
act.sa_flags = SA_ONSTACK | SA_SIGINFO;
act.sa_sigaction = my_usr1;
@@ -110,19 +114,20 @@ int main(void)
sstack = mmap(NULL, SIGSTKSZ, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0);
if (sstack == MAP_FAILED) {
- perror("mmap()");
+ ksft_exit_fail_msg("mmap() - %s\n", strerror(errno));
return EXIT_FAILURE;
}
err = sigaltstack(NULL, &stk);
if (err) {
- perror("[FAIL]\tsigaltstack()");
+ ksft_exit_fail_msg("sigaltstack() - %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
if (stk.ss_flags == SS_DISABLE) {
- printf("[OK]\tInitial sigaltstack state was SS_DISABLE\n");
+ ksft_test_result_pass(
+ "Initial sigaltstack state was SS_DISABLE\n");
} else {
- printf("[FAIL]\tInitial sigaltstack state was %x; "
+ ksft_exit_fail_msg("Initial sigaltstack state was %x; "
"should have been SS_DISABLE\n", stk.ss_flags);
return EXIT_FAILURE;
}
@@ -133,7 +138,8 @@ int main(void)
err = sigaltstack(&stk, NULL);
if (err) {
if (errno == EINVAL) {
- printf("[NOTE]\tThe running kernel doesn't support SS_AUTODISARM\n");
+ ksft_exit_skip(
+ "[NOTE]\tThe running kernel doesn't support SS_AUTODISARM\n");
/*
* If test cases for the !SS_AUTODISARM variant were
* added, we could still run them. We don't have any
@@ -142,7 +148,9 @@ int main(void)
*/
return 0;
} else {
- perror("[FAIL]\tsigaltstack(SS_ONSTACK | SS_AUTODISARM)");
+ ksft_exit_fail_msg(
+ "sigaltstack(SS_ONSTACK | SS_AUTODISARM) %s\n",
+ strerror(errno));
return EXIT_FAILURE;
}
}
@@ -150,7 +158,7 @@ int main(void)
ustack = mmap(NULL, SIGSTKSZ, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0);
if (ustack == MAP_FAILED) {
- perror("mmap()");
+ ksft_exit_fail_msg("mmap() - %s\n", strerror(errno));
return EXIT_FAILURE;
}
getcontext(&uc);
@@ -162,16 +170,17 @@ int main(void)
err = sigaltstack(NULL, &stk);
if (err) {
- perror("[FAIL]\tsigaltstack()");
+ ksft_exit_fail_msg("sigaltstack() - %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
if (stk.ss_flags != SS_AUTODISARM) {
- printf("[FAIL]\tss_flags=%x, should be SS_AUTODISARM\n",
+ ksft_exit_fail_msg("ss_flags=%x, should be SS_AUTODISARM\n",
stk.ss_flags);
exit(EXIT_FAILURE);
}
- printf("[OK]\tsigaltstack is still SS_AUTODISARM after signal\n");
+ ksft_test_result_pass(
+ "sigaltstack is still SS_AUTODISARM after signal\n");
- printf("[OK]\tTest passed\n");
+ ksft_exit_pass();
return 0;
}
--
2.11.0
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