diff options
Diffstat (limited to 'nptl/sysdeps')
5 files changed, 58 insertions, 13 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h index 2a4c95a083..b8afbc50b5 100644 --- a/nptl/sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h +++ b/nptl/sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h @@ -77,11 +77,12 @@ typedef union struct { int __lock; - int __clock; + unsigned int __futex; unsigned long long int __total_seq; unsigned long long int __wakeup_seq; unsigned long long int __woken_seq; void *__mutex; + int __clock; unsigned int __broadcast_seq; } __data; char __size[__SIZEOF_PTHREAD_COND_T]; diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S index 4277c9a111..6bd6e60ec1 100644 --- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S +++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S @@ -26,6 +26,7 @@ #define FUTEX_WAIT 0 #define FUTEX_WAKE 1 #define FUTEX_REQUEUE 3 +#define FUTEX_CMP_REQUEUE 4 #define EINVAL 22 @@ -36,6 +37,7 @@ .type __pthread_cond_broadcast, @function .align 5 __pthread_cond_broadcast: + mov.l r10, @-r15 mov.l r9, @-r15 mov.l r8, @-r15 sts.l pr, @-r15 @@ -72,6 +74,9 @@ __pthread_cond_broadcast: mov.l @(broadcast_seq,r8), r2 add #1, r2 mov.l r2, @(broadcast_seq,r8) + add r1, r1 + mov r1, r10 + mov.l r10, @(cond_futex,r8) /* Get the address of the mutex used. */ mov.l @(dep_mutex,r8), r9 @@ -91,10 +96,10 @@ __pthread_cond_broadcast: cmp/eq r0, r9 mov r8, r4 bt/s 9f - add #wakeup_seq, r4 + add #cond_futex, r4 /* Wake up all threads. */ - mov #FUTEX_REQUEUE, r5 + mov #FUTEX_CMP_REQUEUE, r5 mov #1, r6 mov #-1, r7 shlr r7 /* r7 = 0x7fffffff */ @@ -102,17 +107,31 @@ __pthread_cond_broadcast: # if MUTEX_FUTEX != 0 add #MUTEX_FUTEX, r0 # endif + mov r10, r1 mov #SYS_futex, r3 extu.b r3, r3 - trapa #0x15 + trapa #0x16 SYSCALL_INST_PAD + /* For any kind of error, which mainly is EAGAIN, we try again + with WAKE. The general test also covers running on old + kernels. */ + mov r0, r1 + mov #-12, r2 + shad r2, r1 + not r1, r1 + tst r1, r1 + mov r8, r4 + bt/s 9f + add #cond_futex, r4 + 10: mov #0, r0 lds.l @r15+, pr mov.l @r15+, r8 + mov.l @r15+, r9 rts - mov.l @r15+, r9 + mov.l @r15+, r10 4: /* Unlock. */ @@ -127,8 +146,9 @@ __pthread_cond_broadcast: mov #0, r0 lds.l @r15+, pr mov.l @r15+, r8 + mov.l @r15+, r9 rts - mov.l @r15+, r9 + mov.l @r15+, r10 1: /* Initial locking failed. */ diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S index a0d188abb2..8b0196fdca 100644 --- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S +++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S @@ -72,10 +72,13 @@ __pthread_cond_signal: addc r3, r1 mov.l r0,@(wakeup_seq,r8) mov.l r1,@(wakeup_seq+4,r8) + mov.l @(cond_futex,r8),r0 + add r2, r0 + mov.l r0,@(cond_futex,r8) /* Wake up one thread. */ mov r8, r4 - add #wakeup_seq, r4 + add #cond_futex, r4 mov #FUTEX_WAKE, r5 mov #1, r6 mov #0, r7 diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S index b9d8f5b920..2d0df6b5bf 100644 --- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S @@ -110,6 +110,10 @@ __pthread_cond_timedwait: addc r3, r1 mov.l r0,@(total_seq,r8) mov.l r1,@(total_seq+4,r8) + mov.l @(cond_futex,r8), r0 + add r2, r0 + mov.l r0, @(cond_futex,r8) + /* Get and store current wakeup_seq value. */ mov.l @(wakeup_seq,r8), r10 @@ -150,6 +154,8 @@ __pthread_cond_timedwait: /* Store relative timeout. */ mov.l r2, @(16,r15) mov.l r3, @(20,r15) + mov.l @(cond_futex,r8), r1 + mov.l r1, @(8,r15) /* Unlock. */ #if cond_lock != 0 @@ -172,9 +178,9 @@ __pthread_cond_timedwait: mov r15, r7 add #16, r7 mov #FUTEX_WAIT, r5 - mov r10, r6 + mov.l @(8,r15), r6 mov r8, r4 - add #wakeup_seq, r4 + add #cond_futex, r4 mov #SYS_futex, r3 extu.b r3, r3 trapa #0x14 @@ -232,6 +238,9 @@ __pthread_cond_timedwait: addc r3, r1 mov.l r0,@(wakeup_seq,r8) mov.l r1,@(wakeup_seq+4,r8) + mov.l @(cond_futex,r8),r0 + add r2, r0 + mov.l r0,@(cond_futex,r8) mov #ETIMEDOUT, r0 bra 14f mov.l r0, @(24,r15) @@ -433,6 +442,9 @@ __condvar_tw_cleanup: addc r3, r1 mov.l r0,@(wakeup_seq,r8) mov.l r1,@(wakeup_seq+4,r8) + mov.l @(cond_futex,r8),r0 + add r2, r0 + mov.l r0,@(cond_futex,r8) clrt mov.l @(woken_seq,r8),r0 @@ -463,7 +475,7 @@ __condvar_tw_cleanup: 2: /* Wake up all waiters to make sure no signal gets lost. */ mov r8, r4 - add #wakeup_seq, r4 + add #cond_futex, r4 mov #FUTEX_WAKE, r5 mov #-1, r6 shlr r6 /* r6 = 0x7fffffff */ diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S index 6068de8f42..b9190ab135 100644 --- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S @@ -104,6 +104,9 @@ __pthread_cond_wait: addc r3, r1 mov.l r0,@(total_seq,r8) mov.l r1,@(total_seq+4,r8) + mov.l @(cond_futex,r8),r0 + add r2, r0 + mov.l r0,@(cond_futex,r8) /* Get and store current wakeup_seq value. */ mov.l @(wakeup_seq,r8), r10 @@ -112,6 +115,9 @@ __pthread_cond_wait: mov.l r0, @(4,r15) 8: + mov.l @(cond_futex,r8),r0 + mov.l r0, @(8,r15) + /* Unlock. */ #if cond_lock != 0 DEC (@(cond_lock,r8), r2) @@ -130,9 +136,9 @@ __pthread_cond_wait: mov #0, r7 mov #FUTEX_WAIT, r5 - mov r10, r6 + mov.l @(8,r15), r6 mov r8, r4 - add #wakeup_seq, r4 + add #cond_futex, r4 mov #SYS_futex, r3 extu.b r3, r3 trapa #0x14 @@ -353,6 +359,9 @@ __condvar_w_cleanup: addc r3, r1 mov.l r0,@(wakeup_seq,r8) mov.l r1,@(wakeup_seq+4,r8) + mov.l @(cond_futex,r8),r0 + add r2, r0 + mov.l r0,@(cond_futex,r8) clrt mov.l @(woken_seq,r8),r0 @@ -383,7 +392,7 @@ __condvar_w_cleanup: 2: /* Wake up all waiters to make sure no signal gets lost. */ mov r8, r4 - add #wakeup_seq, r4 + add #cond_futex, r4 mov #FUTEX_WAKE, r5 mov #-1, r6 shlr r6 /* r6 = 0x7fffffff */ |