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| author |   Cristian Marussi <cristian.marussi@arm.com> | 2019-10-25 18:57:11 +0100 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2019-11-08 11:10:41 +0000 |
| commit | 34306b05d3106447c87d29d262e824ca4a30c569 (patch) | |
| tree | 3f0260b3905cab5a49da8e07d0ffa0bec90a1d34 /tools/testing/selftests/arm64/signal/test_signals.h | |
| parent | kselftest: arm64: extend test_init functionalities (diff) | |
| download | linux-dev-34306b05d3106447c87d29d262e824ca4a30c569.tar.xz linux-dev-34306b05d3106447c87d29d262e824ca4a30c569.zip | |
kselftest: arm64: add helper get_current_context
Introduce a new common utility function get_current_context() which can be
used to grab a ucontext without the help of libc, and also to detect if
such ucontext has been successfully used by placing it on the stack as a
fake sigframe.
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/testing/selftests/arm64/signal/test_signals.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/testing/selftests/arm64/signal/test_signals.h b/tools/testing/selftests/arm64/signal/test_signals.h index c431e7b3e46c..f96baf1cef1a 100644 --- a/tools/testing/selftests/arm64/signal/test_signals.h +++ b/tools/testing/selftests/arm64/signal/test_signals.h @@ -72,8 +72,12 @@ struct tdescr { /* optional sa_flags for the installed handler */ int sa_flags; ucontext_t saved_uc; + /* used by get_current_ctx() */ + size_t live_sz; + ucontext_t *live_uc; + volatile sig_atomic_t live_uc_valid; /* optional test private data */ - void *priv; + void *priv; /* a custom setup: called alternatively to default_setup */ int (*setup)(struct tdescr *td); |