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glibc/elf/unload6.c
Ulrich Drepper bfc832ccf1 * elf/dl-close.c: Include stddef.h.
(_dl_close): If called recursively, just remember GC needs to be rerun
	and decrease l_direct_opencount.  Avoid GC if l_direct_opencount
	decreased to 1.  Rerun GC at the end if any destructor unloaded some
	additional libraries.
	* elf/Makefile: Add rules to build and run unload6 test.
	* elf/unload6.c: New test.
	* elf/unload6mod1.c: New file.
	* elf/unload6mod2.c: New file.
	* elf/unload6mod3.c: New file.

	* malloc/hooks.c (mem2chunk_check): Add magic_p argument, set *magic_p
	if magic_p is not NULL.
	(top_check): Invoke MALLOC_FAILURE_ACTION if MORECORE failed.
	(malloc_check): Fail if sz == -1.
	(free_check): Adjust mem2chunk_check caller.
	(realloc_check): Likewise.  Fail if bytes == -1.  If bytes == 0 and
	oldmem != NULL, call free_check and return NULL.  If reallocating
	and returning NULL, invert magic byte again to make oldmem valid
	region for further checking.
	(memalign_check): Fail if bytes == -1.
	* malloc/Makefile: Add rules to build and run tst-mcheck.
	* malloc/tst-mcheck.c: New test.
2005-04-27 01:39:11 +00:00

31 lines
446 B
C

#include <dlfcn.h>
#include <stdio.h>
int
main (void)
{
void *h = dlopen ("unload6mod1.so", RTLD_LAZY);
if (h == NULL)
{
puts ("dlopen unload6mod1.so failed");
return 1;
}
int (*fn) (int);
fn = dlsym (h, "foo");
if (fn == NULL)
{
puts ("dlsym failed");
return 1;
}
int val = fn (16);
if (val != 24)
{
printf ("foo returned %d != 24\n", val);
return 1;
}
return 0;
}