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* elf/dl-misc.c: Include <sysdep.h>.

Browse Source 
(_dl_debug_vdprintf): Only take dl_load_lock if not _dl_starting_up.

	* sysdeps/generic/ldsodefs.h (_dl_starting_up): Declare it here.
	* sysdeps/unix/sysv/linux/init-first.c: Not here.
	* sysdeps/powerpc/elf/libc-start.c: Or here.
	* sysdeps/unix/sysv/aix/libc-start.c: Or here.
	* sysdeps/unix/sysv/aix/start-libc.c: Or here.
	* sysdeps/unix/sysv/aix/init-first.c: Or here.
	* sysdeps/generic/libc-start.c: Or here.
	* sysdeps/unix/sysv/linux/init-first.c (init): Protect _dl_starting_up
	access with [! SHARED].
	* sysdeps/unix/sysv/aix/init-first.c (init): Likewise.
This commit is contained in:
Roland McGrath
2002-10-24 19:14:59 +00:00
parent 369b849f1a
commit 5bbcba0db5
9 changed files with 39 additions and 20 deletions
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6
sysdeps/unix/sysv/linux/init-first.c
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@ -35,9 +35,6 @@
/* The function is called from assembly stubs the compiler can't see. */
static void init (int, char **, char **) __attribute__ ((unused));
extern int _dl_starting_up;
weak_extern (_dl_starting_up)
/* Set nonzero if we have to be prepared for more then one libc being
used in the process. Safe assumption if initializer never runs. */
int __libc_multiple_libcs attribute_hidden = 1;
@ -54,12 +51,15 @@ init (int argc, char **argv, char **envp)
#ifdef USE_NONOPTION_FLAGS
extern void __getopt_clean_environment (char **);
#endif
#ifndef SHARED
/* The next variable is only here to work around a bug in gcc <= 2.7.2.2.
If the address would be taken inside the expression the optimizer
would try to be too smart and throws it away. Grrr. */
int *dummy_addr = &_dl_starting_up;
__libc_multiple_libcs = dummy_addr && !_dl_starting_up;
#endif
/* Make sure we don't initialize twice. */
if (!__libc_multiple_libcs)