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| author | Denys Vlasenko <dvlasenk@redhat.com> | 2013-07-16 12:06:25 +0200 |
|---|---|---|
| committer | Denys Vlasenko <dvlasenk@redhat.com> | 2013-07-16 12:06:25 +0200 |
| commit | b51f364c4241aa247a7a22f92c06f1f1a4ab99b4 (patch) | |
| tree | 31d0d194e5659cb0cfaaddcd2ca05c5a09a4f89f /test | |
| parent | 9afc2ee682d2f9fd3ad938756c841d7f0eed5f21 (diff) | |
| download | strace-b51f364c4241aa247a7a22f92c06f1f1a4ab99b4.tar.gz strace-b51f364c4241aa247a7a22f92c06f1f1a4ab99b4.tar.bz2 strace-b51f364c4241aa247a7a22f92c06f1f1a4ab99b4.tar.xz | |
Improve sigreturn decoding on x86 to show RT signal bits too.
This includes decoding of 32-bit sigreturn by 64-bit strace,
which previously wasn't done.
Added a test for it.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Diffstat (limited to 'test')
| -rw-r--r-- | test/.gitignore | 1 | ||||
| -rw-r--r-- | test/Makefile | 2 | ||||
| -rw-r--r-- | test/sigreturn.c | 30 |
3 files changed, 32 insertions, 1 deletions
diff --git a/test/.gitignore b/test/.gitignore index ce242fd..7eb39cf 100644 --- a/test/.gitignore +++ b/test/.gitignore @@ -10,3 +10,4 @@ wait_must_be_interruptible threaded_execve mtd ubi +sigreturn diff --git a/test/Makefile b/test/Makefile index 97ae746..92142b1 100644 --- a/test/Makefile +++ b/test/Makefile @@ -3,7 +3,7 @@ CFLAGS += -Wall PROGS = \ vfork fork sig skodic clone leaderkill childthread \ sigkill_rain wait_must_be_interruptible threaded_execve \ - mtd ubi + mtd ubi sigreturn all: $(PROGS) diff --git a/test/sigreturn.c b/test/sigreturn.c new file mode 100644 index 0000000..246a3ce --- /dev/null +++ b/test/sigreturn.c @@ -0,0 +1,30 @@ +/* + * Check that strace output contains RT_1 RT_3 RT_31 RT_32 here: + * rt_sigprocmask(SIG_BLOCK, [CHLD RT_1 RT_3 RT_31 RT_32], NULL, 8) = 0 + * and here: + * sigreturn() (mask [CHLD RT_1 RT_3 RT_31 RT_32]) = 0 + * + * On x86, both 32-bit and 64-bit strace needs to be checked. + */ +#include <stdlib.h> +#include <unistd.h> +#include <signal.h> + +void null_handler(int sig) +{ +} + +int main(int argc, char *argv[]) +{ + sigset_t set; + sigemptyset(&set); + sigaddset(&set, SIGCHLD); + sigaddset(&set, 33); + sigaddset(&set, 35); + sigaddset(&set, 63); + sigaddset(&set, 64); + sigprocmask(SIG_BLOCK, &set, NULL); + signal(SIGWINCH, null_handler); + raise(SIGWINCH); + return 0; +} |