[lttng-ust.git] / libmallocwrap / mallocwrap.c

#define _GNU_SOURCE
#include <dlfcn.h>
#include <sys/types.h>
#include <stdio.h>

#include "marker.h"

void *(*plibc_malloc)(size_t size) = NULL;

void *malloc(size_t size)
{
	if(plibc_malloc == NULL) {
		plibc_malloc = dlsym(RTLD_NEXT, "malloc");
		if(plibc_malloc == NULL) {
			fprintf(stderr, "mallocwrap: unable to find malloc\n");
			return NULL;
		}
	}

	trace_mark(ust, malloc, "%d", (int)size);

	fprintf(stderr, "mallocating size %d\n", size);
	return plibc_malloc(size);
}

MARKER_LIB
Commit	Line	Data
e541a28d PMF	1	#define _GNU_SOURCE
	2	#include <dlfcn.h>
	3	#include <sys/types.h>
	4	#include <stdio.h>
	5
fbd8191b PMF	6	#include "marker.h"
fbd8191b PMF	7
e541a28d PMF	8	void (plibc_malloc)(size_t size) = NULL;
	9
	10	void *malloc(size_t size)
	11	{
	12	if(plibc_malloc == NULL) {
	13	plibc_malloc = dlsym(RTLD_NEXT, "malloc");
	14	if(plibc_malloc == NULL) {
	15	fprintf(stderr, "mallocwrap: unable to find malloc\n");
	16	return NULL;
	17	}
	18	}
fbd8191b PMF	19
	20	trace_mark(ust, malloc, "%d", (int)size);
	21
e541a28d PMF	22	fprintf(stderr, "mallocating size %d\n", size);
	23	return plibc_malloc(size);
	24	}
fbd8191b PMF	25
fbd8191b PMF	26	MARKER_LIB