diff options
Diffstat (limited to 'elf/dl-close.c')
| -rw-r--r-- | elf/dl-close.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/elf/dl-close.c b/elf/dl-close.c index 84e57e09d0..bfcceea4bc 100644 --- a/elf/dl-close.c +++ b/elf/dl-close.c @@ -30,6 +30,7 @@ #include <ldsodefs.h> #include <sys/types.h> #include <sys/mman.h> +#include <sysdep-cancel.h> /* Type of the constructor functions. */ @@ -419,16 +420,21 @@ _dl_close (void *_map) struct r_scoperec *old = imap->l_scoperec; - __rtld_mrlock_change (imap->l_scoperec_lock); - imap->l_scoperec = newp; - __rtld_mrlock_done (imap->l_scoperec_lock); - - if (catomic_increment_val (&old->nusers) != 1) + if (SINGLE_THREAD_P) + imap->l_scoperec = newp; + else { - old->remove_after_use = true; - old->notify = true; - if (catomic_decrement_val (&old->nusers) != 0) - __rtld_waitzero (old->nusers); + __rtld_mrlock_change (imap->l_scoperec_lock); + imap->l_scoperec = newp; + __rtld_mrlock_done (imap->l_scoperec_lock); + + if (atomic_increment_val (&old->nusers) != 1) + { + old->remove_after_use = true; + old->notify = true; + if (atomic_decrement_val (&old->nusers) != 0) + __rtld_waitzero (old->nusers); + } } /* No user anymore, we can free it now. */ |