AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-11-21 20:40:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

htl: Fix initializing the key lock

Browse Source 
The static pthread_once_t in the pt-key.h header was creating one
pthread_once_t per includer.  We have to use a shared common
pthread_once_t instead.
This commit is contained in:
Samuel Thibault 2022-02-14 01:38:03 +01:00
parent 33038a7d91
commit 06dbfcced3
2 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
sysdeps/htl/pt-key-create.c
View File

@ -24,6 +24,7 @@
#include <pthreadP.h>
pthread_mutex_t __pthread_key_lock;
pthread_once_t __pthread_key_once = PTHREAD_ONCE_INIT;
void (**__pthread_key_destructors) (void *arg);
int __pthread_key_size;

7
sysdeps/htl/pt-key.h
View File

@ -47,14 +47,15 @@ extern int __pthread_key_invalid_count;
/* Protects the above variables. This must be a recursive lock: the
destructors may call pthread_key_delete. */
extern pthread_mutex_t __pthread_key_lock;
/* Protects the initialization of the mutex above. */
extern pthread_once_t __pthread_key_once;
#include <assert.h>
static inline void
__pthread_key_lock_ready (void)
{
static pthread_once_t o = PTHREAD_ONCE_INIT;
void do_init (void)
{
int err;
@ -73,5 +74,5 @@ __pthread_key_lock_ready (void)
assert_perror (err);
}
__pthread_once (&o, do_init);
__pthread_once (&__pthread_key_once, do_init);
}