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glib-private: Add wrappers for telling AddressSanitizer to ignore leaks

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Signed-off-by: Simon McVittie <smcv@collabora.com>
This commit is contained in:
Simon McVittie 2021-01-29 19:11:11 +00:00
parent 9fef98cf84
commit 023793071b
1 changed files with 43 additions and 0 deletions
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43
glib/glib-private.h
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@ -33,8 +33,51 @@
*/
#define _GLIB_ADDRESS_SANITIZER
#include <sanitizer/lsan_interface.h>
#endif
/*
* g_ignore_leak:
* @p: any pointer
*
* Tell AddressSanitizer and similar tools that if the object pointed to
* by @p is leaked, it is not a problem. Use this to suppress memory leak
* reports when a potentially unreachable pointer is deliberately not
* going to be deallocated.
*/
static inline void
g_ignore_leak (gconstpointer p)
{
#ifdef _GLIB_ADDRESS_SANITIZER
if (p != NULL)
__lsan_ignore_object (p);
#endif
}
/*
* g_ignore_strv_leak:
* @strv: (nullable) (array zero-terminated=1): an array of strings
*
* The same as g_ignore_leak(), but for the memory pointed to by @strv,
* and for each element of @strv.
*/
static inline void
g_ignore_strv_leak (GStrv strv)
{
#ifdef _GLIB_ADDRESS_SANITIZER
gchar **item;
if (strv)
{
g_ignore_leak (strv);
for (item = strv; *item != NULL; item++)
g_ignore_leak (*item);
}
#endif
}
GMainContext * g_get_worker_context (void);
gboolean g_check_setuid (void);
GMainContext * g_main_context_new_with_next_id (guint next_id);