diff options
Diffstat (limited to 'src/tests/dlt-test-fork-handler.c')
| -rw-r--r-- | src/tests/dlt-test-fork-handler.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/src/tests/dlt-test-fork-handler.c b/src/tests/dlt-test-fork-handler.c index 4bd3321..118753b 100644 --- a/src/tests/dlt-test-fork-handler.c +++ b/src/tests/dlt-test-fork-handler.c @@ -25,6 +25,8 @@ */ #include <unistd.h> /* for fork() */ +#include <time.h> +#include <errno.h> #include "dlt.h" @@ -34,23 +36,31 @@ int main() { DltContext mainContext; + struct timespec timeout, r; + + timeout.tv_sec = 0; + timeout.tv_nsec = 200000000L; DLT_REGISTER_APP("PRNT", "Parent application"); DLT_REGISTER_CONTEXT(mainContext, "CTXP", "Parent context"); DLT_LOG(mainContext, DLT_LOG_WARN, DLT_STRING("First message before fork")); - usleep(200000); + nanosleep(&timeout, &r); pid_t pid = fork(); - if (pid == 0) { /* child process */ /* this message should not be visible */ - /* DLT_LOG(mainContext, DLT_LOG_WARN, DLT_STRING("Child's first message after fork, pid: "), DLT_INT32(getpid())); */ - /* unfortunately, this message does arrive, I assume because it still has (locally) valid data ... */ + DLT_LOG(mainContext, DLT_LOG_WARN, DLT_STRING("Child's first message after fork, pid: "), DLT_INT32(getpid())); + /* this will not register CHLD application */ DLT_REGISTER_APP("CHLD", "Child application"); + /* this will not register CTXC context */ DLT_REGISTER_CONTEXT(mainContext, "CTXC", "Child context"); + /* this will not log a message */ DLT_LOG(mainContext, DLT_LOG_WARN, DLT_STRING("Child's second message after fork, pid: "), DLT_INT32(getpid())); - usleep(400000); + nanosleep(&timeout, &r); + if (execlp("dlt-example-user", "dlt-example-user", "-n 1", + "you should see this message", NULL)) + return errno; } else if (pid == -1) /* error in fork */ { @@ -58,7 +68,7 @@ int main() } else { /* parent */ DLT_LOG(mainContext, DLT_LOG_WARN, DLT_STRING("Parent's first message after fork, pid: "), DLT_INT32(getpid())); - usleep(500000); + nanosleep(&timeout, &r); } DLT_UNREGISTER_APP() |