X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=hello%2Fhello.c;h=7eecf69e83f0bbaf23949a71e191806bf884687a;hb=HEAD;hp=1a00d45f11c85434c50839e04d323cd85a4da051;hpb=8d938dbd14e689a294f8a251e4ac255985c65ad5;p=ust.git

diff --git a/hello/hello.c b/hello/hello.c
deleted file mode 100644
index 1a00d45..0000000
--- a/hello/hello.c
+++ /dev/null
@@ -1,204 +0,0 @@
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/mman.h>
-
-#include "../libmarkers/marker.h"
-#include "usterr.h"
-#include "tracer.h"
-
-void probe(const struct marker *mdata,
-		void *probe_private, void *call_private,
-		const char *fmt, va_list *args)
-{
-	printf("In probe\n");
-}
-
-//ust// void try_map()
-//ust// {
-//ust// 	char *m;
-//ust// 
-//ust// 	/* maybe add MAP_LOCKED */
-//ust// 	m = mmap(NULL, 4096, PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_POPULATE , -1, 0);
-//ust// 	if(m == (char*)-1) {
-//ust// 		perror("mmap");
-//ust// 		return;
-//ust// 	}
-//ust// 
-//ust// 	printf("The mapping is at %p.\n", m);
-//ust// 	strcpy(m, "Hello, Mapping!");
-//ust// }
-
-//sig_atomic_t must_quit;
-
-void inthandler(int sig)
-{
-	printf("in handler\n");
-	exit(0);
-}
-
-int init_int_handler(void)
-{
-	int result;
-	struct sigaction act;
-
-	result = sigemptyset(&act.sa_mask);
-	if(result == -1) {
-		PERROR("sigemptyset");
-		return -1;
-	}
-
-	act.sa_handler = inthandler;
-	act.sa_flags = SA_RESTART;
-
-	/* Only defer ourselves. Also, try to restart interrupted
-	 * syscalls to disturb the traced program as little as possible.
-	 */
-	result = sigaction(SIGINT, &act, NULL);
-	if(result == -1) {
-		PERROR("sigaction");
-		return -1;
-	}
-
-	return 0;
-}
-
-DEFINE_MUTEX(probes_mutex);
-
-static LIST_HEAD(probes_registered_list);
-
-int ltt_marker_connect(const char *channel, const char *mname,
-		       const char *pname)
-
-{
-	int ret;
-	struct ltt_active_marker *pdata;
-	struct ltt_available_probe *probe;
-
-	ltt_lock_traces();
-	mutex_lock(&probes_mutex);
-	probe = get_probe_from_name(pname);
-	if (!probe) {
-		ret = -ENOENT;
-		goto end;
-	}
-	pdata = marker_get_private_data(channel, mname, probe->probe_func, 0);
-	if (pdata && !IS_ERR(pdata)) {
-		ret = -EEXIST;
-		goto end;
-	}
-	pdata = kmem_cache_zalloc(markers_loaded_cachep, GFP_KERNEL);
-	if (!pdata) {
-		ret = -ENOMEM;
-		goto end;
-	}
-	pdata->probe = probe;
-	/*
-	 * ID has priority over channel in case of conflict.
-	 */
-	ret = marker_probe_register(channel, mname, NULL,
-		probe->probe_func, pdata);
-	if (ret)
-		kmem_cache_free(markers_loaded_cachep, pdata);
-	else
-		list_add(&pdata->node, &markers_loaded_list);
-end:
-	mutex_unlock(&probes_mutex);
-	ltt_unlock_traces();
-	return ret;
-}
-
-
-int ltt_probe_register(struct ltt_available_probe *pdata)
-{
-	int ret = 0;
-	int comparison;
-	struct ltt_available_probe *iter;
-
-	mutex_lock(&probes_mutex);
-	list_for_each_entry_reverse(iter, &probes_registered_list, node) {
-		comparison = strcmp(pdata->name, iter->name);
-		if (!comparison) {
-			ret = -EBUSY;
-			goto end;
-		} else if (comparison > 0) {
-			/* We belong to the location right after iter. */
-			list_add(&pdata->node, &iter->node);
-			goto end;
-		}
-	}
-	/* Should be added at the head of the list */
-	list_add(&pdata->node, &probes_registered_list);
-end:
-	mutex_unlock(&probes_mutex);
-	return ret;
-}
-
-
-struct ltt_available_probe default_probe = {
-	.name = "default",
-	.format = NULL,
-	.probe_func = ltt_vtrace,
-	.callbacks[0] = ltt_serialize_data,
-};
-
-int main()
-{
-	int result;
-
-	init_int_handler();
-
-	init_ustrelay_transport();
-
-	printf("page size is %d\n", sysconf(_SC_PAGE_SIZE));
-
-	char trace_name[] = "theusttrace";
-	char trace_type[] = "ustrelay";
-
-	marker_probe_register("abc", "testmark", "", probe, NULL);
-	marker_probe_register("metadata", "core_marker_id", "channel %s name %s event_id %hu int #1u%zu long #1u%zu pointer #1u%zu size_t #1u%zu alignment #1u%u", probe, NULL);
-	result = ltt_probe_register(&default_probe);
-	if(result)
-		ERR("ltt_probe_register");
-	
-	result = ltt_marker_connect("abc", "testmark2", "default");
-	if(result)
-		ERR("ltt_marker_connect");
-
-
-	result = ltt_trace_setup(trace_name);
-	if(result < 0) {
-		ERR("ltt_trace_setup failed");
-		return 1;
-	}
-
-	result = ltt_trace_set_type(trace_name, trace_type);
-	if(result < 0) {
-		ERR("ltt_trace_set_type failed");
-		return 1;
-	}
-
-	result = ltt_trace_alloc(trace_name);
-	if(result < 0) {
-		ERR("ltt_trace_alloc failed");
-		return 1;
-	}
-
-	result = ltt_trace_start(trace_name);
-	if(result < 0) {
-		ERR("ltt_trace_start failed");
-		return 1;
-	}
-
-
-	printf("Hello, World!\n");
-
-	for(;;) {
-		trace_mark(abc, testmark, "", MARK_NOARGS);
-		trace_mark(abc, testmark2, "", MARK_NOARGS);
-		sleep(1);
-	}
-
-	scanf("%*s");
-
-	return 0;
-}