+++ /dev/null
-
-#include <pthread.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-
-#define LTT_TRACE
-//this one is a non blocking sample (not #define LTT_BLOCKING 1)
-#include <ltt/ltt-facility-user_generic.h>
-
-
-void *thr1(void *arg)
-{
- printf("thread 1, thread id : %lu, pid %lu\n", pthread_self(), getpid());
-
- while(1) {
- trace_user_generic_string("Hello world! Have a nice day.");
- sleep(2);
- }
- pthread_exit((void*)1);
-}
-
-
-/* Example of a _bad_ thread, which still works with the tracing */
-void *thr2(void *arg)
-{
- printf("thread 2, thread id : %lu, pid %lu\n", pthread_self(), getpid());
- sleep(1);
- while(1) {
- trace_user_generic_string("Hello world! Have a nice day.");
- sleep(2);
- }
- return ((void*)2);
-}
-
-
-int main()
-{
- int err;
- pthread_t tid1, tid2;
- void *tret;
-
- printf("Will trace the following string : Hello world! Have a nice day.\n");
- printf("Press CTRL-C to stop.\n");
- printf("No file is created with this example : it logs through a kernel\n");
- printf("system call. See the LTTng lttctl command to start tracing.\n\n");
-
- printf("thread main, thread id : %lu, pid %lu\n", pthread_self(), getpid());
- err = pthread_create(&tid1, NULL, thr1, NULL);
- if(err!=0) exit(1);
-
- err = pthread_create(&tid2, NULL, thr2, NULL);
- if(err!=0) exit(1);
-
- err = pthread_join(tid1, &tret);
- if(err!= 0) exit(1);
-
- err = pthread_join(tid2, &tret);
- if(err!= 0) exit(1);
-
- return 0;
-}