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fix signal masking race in pthread_create with priority attributes
[musl]
/
src
/
thread
/
arm
/
syscall_cp.s
diff --git
a/src/thread/arm/syscall_cp.s
b/src/thread/arm/syscall_cp.s
index
0cc23b1
..
a5730c0
100644
(file)
--- a/
src/thread/arm/syscall_cp.s
+++ b/
src/thread/arm/syscall_cp.s
@@
-1,21
+1,29
@@
+.syntax unified
+.global __cp_begin
+.hidden __cp_begin
+.global __cp_end
+.hidden __cp_end
+.global __cp_cancel
+.hidden __cp_cancel
+.hidden __cancel
.global __syscall_cp_asm
.global __syscall_cp_asm
+.hidden __syscall_cp_asm
.type __syscall_cp_asm,%function
__syscall_cp_asm:
mov ip,sp
stmfd sp!,{r4,r5,r6,r7,lr}
.type __syscall_cp_asm,%function
__syscall_cp_asm:
mov ip,sp
stmfd sp!,{r4,r5,r6,r7,lr}
-.global __cp_begin
__cp_begin:
__cp_begin:
- ld r0,[r0]
+ ld
r
r0,[r0]
cmp r0,#0
cmp r0,#0
- blne __cancel
+ blne __c
p_c
ancel
mov r7,r1
mov r0,r2
mov r1,r3
ldmfd ip,{r2,r3,r4,r5,r6}
svc 0
mov r7,r1
mov r0,r2
mov r1,r3
ldmfd ip,{r2,r3,r4,r5,r6}
svc 0
-.global __cp_end
__cp_end:
ldmfd sp!,{r4,r5,r6,r7,lr}
__cp_end:
ldmfd sp!,{r4,r5,r6,r7,lr}
- tst lr,#1
- moveq pc,lr
bx lr
bx lr
+__cp_cancel:
+ ldmfd sp!,{r4,r5,r6,r7,lr}
+ b __cancel