AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-11-08 14:20:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

htl: Avoid crashing when passed invalid pthread_t values

Browse Source
This commit is contained in:
Samuel Thibault 2020-01-13 19:41:57 +01:00
parent bc487d7141
commit 1d62a40373
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
htl/pt-internal.h
View File

@ -173,12 +173,14 @@ extern int __pthread_concurrency;
brain-dead users of the pthread interface incorrectly assume that 0
is an invalid pthread id.) */
extern struct __pthread **__pthread_threads;
extern int __pthread_max_threads;
extern pthread_rwlock_t __pthread_threads_lock;
#define __pthread_getid(thread) \
({ struct __pthread *__t; \
({ struct __pthread *__t = NULL; \
__pthread_rwlock_rdlock (&__pthread_threads_lock); \
__t = __pthread_threads[thread - 1]; \
if (thread <= __pthread_max_threads) \
__t = __pthread_threads[thread - 1]; \
__pthread_rwlock_unlock (&__pthread_threads_lock); \
__t; })