Commit 49a14c16 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont

Avoid calling dlsym at every code

First I ever need to use the auto keyword...
parent 990437d4
......@@ -26,7 +26,7 @@
void vlc_enable_override (void);
#if defined (__GNUC__) /* typeof and statement-expression */ \
#if defined (__GNUC__) \
&& (defined (__ELF__) && !defined (__sun__))
/* Solaris crashes on printf("%s", NULL); which is legal, but annoying. */
......@@ -97,8 +97,23 @@ static void *getsym (const char *name)
}
#define LOG(level, ...) logbug(level, __func__, __VA_ARGS__)
/* Evil non-standard GNU C macro ;)
* typeof keyword,
* statement-expression,
* nested function...
*/
#define CALL(func, ...) \
({ typeof (func) *sym = getsym ( # func); sym (__VA_ARGS__); })
({ \
static typeof (func) *sym = NULL; \
static pthread_once_t once = PTHREAD_ONCE_INIT; \
auto void getsym_once (void); \
void getsym_once (void) \
{ \
sym = getsym ( # func); \
} \
pthread_once (&once, getsym_once); \
sym (__VA_ARGS__); \
})
/*** Environment ***
......
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