diff options
Diffstat (limited to 'nptl/allocatestack.c')
| -rw-r--r-- | nptl/allocatestack.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c index e556dbac08..ddf91e5c10 100644 --- a/nptl/allocatestack.c +++ b/nptl/allocatestack.c @@ -376,6 +376,12 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, __pthread_multiple_threads = *__libc_multiple_threads_ptr = 1; #endif +#ifndef __ASSUME_PRIVATE_FUTEX + /* The thread must know when private futexes are supported. */ + pd->header.private_futex = THREAD_GETMEM (THREAD_SELF, + header.private_futex); +#endif + #ifdef NEED_DL_SYSINFO /* Copy the sysinfo value from the parent. */ THREAD_SYSINFO(pd) = THREAD_SELF_SYSINFO; @@ -510,6 +516,12 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, __pthread_multiple_threads = *__libc_multiple_threads_ptr = 1; #endif +#ifndef __ASSUME_PRIVATE_FUTEX + /* The thread must know when private futexes are supported. */ + pd->header.private_futex = THREAD_GETMEM (THREAD_SELF, + header.private_futex); +#endif + #ifdef NEED_DL_SYSINFO /* Copy the sysinfo value from the parent. */ THREAD_SYSINFO(pd) = THREAD_SELF_SYSINFO; @@ -939,7 +951,7 @@ __nptl_setxid (struct xid_command *cmdp) int cur = cmdp->cntr; while (cur != 0) { - lll_futex_wait (&cmdp->cntr, cur); + lll_futex_wait (&cmdp->cntr, cur, LLL_PRIVATE); cur = cmdp->cntr; } @@ -1025,7 +1037,7 @@ __wait_lookup_done (void) continue; do - lll_futex_wait (gscope_flagp, THREAD_GSCOPE_FLAG_WAIT); + lll_futex_wait (gscope_flagp, THREAD_GSCOPE_FLAG_WAIT, LLL_PRIVATE); while (*gscope_flagp == THREAD_GSCOPE_FLAG_WAIT); } @@ -1047,7 +1059,7 @@ __wait_lookup_done (void) continue; do - lll_futex_wait (gscope_flagp, THREAD_GSCOPE_FLAG_WAIT); + lll_futex_wait (gscope_flagp, THREAD_GSCOPE_FLAG_WAIT, LLL_PRIVATE); while (*gscope_flagp == THREAD_GSCOPE_FLAG_WAIT); } |