nptl/pthread_cancel.shared.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __pthread_cancel
   4         .type   __pthread_cancel, @function
   5 __pthread_cancel:
   6         movl    720(%rdi), %eax
   7         testl   %eax, %eax
   8         jle     .L8
   9         pushq   %rbx
  10         movq    %rdi, %rbx
  11         call    pthread_cancel_init
  12         leaq    776(%rbx), %rcx
  13 .L3:
  14         movl    776(%rbx), %eax
  15         movl    %eax, %edx
  16         orl     $12, %edx
  17         cmpl    %edx, %eax
  18         je      .L7
  19         movl    %edx, %esi
  20         andl    $-69, %esi
  21         cmpl    $10, %esi
  22         je      .L17
  23 #APP
  24 # 82 "pthread_cancel.c" 1
  25         movl $1,%fs:24
  26 # 0 "" 2
  27 #NO_APP
  28         movq    __libc_multiple_threads_ptr(%rip), %rsi
  29         movl    $1, (%rsi)
  30         movl    $1, __pthread_multiple_threads(%rip)
  31         lock cmpxchgl   %edx, (%rcx)
  32         jne     .L3
  33 .L7:
  34         xorl    %eax, %eax
  35         popq    %rbx
  36         ret
  37         .p2align 4,,10
  38         .p2align 3
  39 .L17:
  40         movl    %eax, %edx
  41         orl     $4, %edx
  42         lock cmpxchgl   %edx, (%rcx)
  43         jne     .L3
  44         call    __getpid@PLT
  45         movl    720(%rbx), %esi
  46         movl    %eax, %edi
  47         movl    $32, %edx
  48         movl    $234, %eax
  49 #APP
  50 # 70 "pthread_cancel.c" 1
  51         syscall
  52
  53 # 0 "" 2
  54 #NO_APP
  55         cmpl    $-4096, %eax
  56         jbe     .L7
  57         negl    %eax
  58         popq    %rbx
  59         ret
  60         .p2align 4,,10
  61         .p2align 3
  62 .L8:
  63         movl    $3, %eax
  64         ret
  65         .size   __pthread_cancel, .-__pthread_cancel
  66         .weak   pthread_cancel
  67         .set    pthread_cancel,__pthread_cancel
  68         .hidden __pthread_multiple_threads
  69         .hidden __libc_multiple_threads_ptr
  70         .hidden pthread_cancel_init