summaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/sigaltstack/sas.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/sigaltstack/sas.c')
-rw-r--r--tools/testing/selftests/sigaltstack/sas.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/tools/testing/selftests/sigaltstack/sas.c b/tools/testing/selftests/sigaltstack/sas.c
index a98c3ef8141f..4280d0699792 100644
--- a/tools/testing/selftests/sigaltstack/sas.c
+++ b/tools/testing/selftests/sigaltstack/sas.c
@@ -113,6 +113,19 @@ int main(void)
perror("mmap()");
return EXIT_FAILURE;
}
+
+ err = sigaltstack(NULL, &stk);
+ if (err) {
+ perror("[FAIL]\tsigaltstack()");
+ exit(EXIT_FAILURE);
+ }
+ if (stk.ss_flags == SS_DISABLE) {
+ printf("[OK]\tInitial sigaltstack state was SS_DISABLE\n");
+ } else {
+ printf("[FAIL]\tInitial sigaltstack state was %i; should have been SS_DISABLE\n", stk.ss_flags);
+ return EXIT_FAILURE;
+ }
+
stk.ss_sp = sstack;
stk.ss_size = SIGSTKSZ;
stk.ss_flags = SS_ONSTACK | SS_AUTODISARM;
@@ -151,12 +164,12 @@ int main(void)
perror("[FAIL]\tsigaltstack()");
exit(EXIT_FAILURE);
}
- if (stk.ss_flags != 0) {
- printf("[FAIL]\tss_flags=%i, should be 0\n",
+ if (stk.ss_flags != SS_AUTODISARM) {
+ printf("[FAIL]\tss_flags=%i, should be SS_AUTODISARM\n",
stk.ss_flags);
exit(EXIT_FAILURE);
}
- printf("[OK]\tsigaltstack is enabled after signal\n");
+ printf("[OK]\tsigaltstack is still SS_AUTODISARM after signal\n");
printf("[OK]\tTest passed\n");
return 0;