diff options
| -rw-r--r-- | libevdev/libevdev.h | 5 | ||||
| -rw-r--r-- | test/test-main.c | 37 |
2 files changed, 40 insertions, 2 deletions
diff --git a/libevdev/libevdev.h b/libevdev/libevdev.h index 37ca2f4..f5ceda0 100644 --- a/libevdev/libevdev.h +++ b/libevdev/libevdev.h @@ -177,8 +177,9 @@ extern "C" { * git grep "suite_create" * git grep "tcase_create" * - * By default, check forks, making debugging harder. Run gdb as below to avoid - * forking. + * By default, Check forks, making debugging harder. The test suite tries to detect + * if it is running inside gdb and disable forking. If that doesn't work for + * some reason, run gdb as below to avoid forking. * * sudo CK_FORK=no CK_RUN_TEST="test case name" gdb ./test/test-libevdev * diff --git a/test/test-main.c b/test/test-main.c index 73d79c9..91128c3 100644 --- a/test/test-main.c +++ b/test/test-main.c @@ -22,6 +22,10 @@ #include <config.h> #include <check.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/ptrace.h> +#include <sys/wait.h> extern Suite *event_name_suite(void); extern Suite *event_code_suite(void); @@ -31,9 +35,42 @@ extern Suite *libevdev_has_event_test(void); extern Suite *libevdev_events(void); extern Suite *uinput_suite(void); +static int +is_debugger_attached(void) +{ + int status; + int rc; + int pid = fork(); + + if (pid == -1) + return 0; + + if (pid == 0) { + int ppid = getppid(); + if (ptrace(PTRACE_ATTACH, ppid, NULL, NULL) == 0) { + waitpid(ppid, NULL, 0); + ptrace(PTRACE_CONT, NULL, NULL); + ptrace(PTRACE_DETACH, ppid, NULL, NULL); + rc = 0; + } else + rc = 1; + _exit(rc); + } else { + waitpid(pid, &status, 0); + rc = WEXITSTATUS(status); + } + + return rc; +} + + int main(int argc, char **argv) { int failed; + + if (is_debugger_attached()) + setenv("CK_FORK", "no", 0); + Suite *s = libevdev_has_event_test(); SRunner *sr = srunner_create(s); srunner_add_suite(sr, libevdev_events()); |