Mercurial > hg > nginx
annotate src/os/unix/rfork_thread.S @ 379:73688d5d7fc3
nginx-0.0.7-2004-07-06-20:12:16 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 06 Jul 2004 16:12:16 +0000 |
parents | 83205e0b5522 |
children | da8c5707af39 |
rev | line source |
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nginx-0.0.2-2004-02-24-20:31:46 import
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1 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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2 #include <sys/syscall.h> |
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nginx-0.0.2-2004-02-24-20:31:46 import
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3 #include <machine/asm.h> |
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nginx-0.0.2-2004-02-24-20:31:46 import
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4 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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5 /* |
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nginx-0.0.2-2004-02-24-20:31:46 import
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6 * rfork_thread(3) - rfork_thread(flags, stack, func, arg); |
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nginx-0.0.2-2004-02-24-20:31:46 import
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7 */ |
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nginx-0.0.2-2004-02-24-20:31:46 import
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8 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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9 #define KERNCALL int $0x80 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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10 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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11 ENTRY(rfork_thread) |
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nginx-0.0.2-2004-02-24-20:31:46 import
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12 push %ebp |
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nginx-0.0.2-2004-02-24-20:31:46 import
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13 mov %esp, %ebp |
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nginx-0.0.2-2004-02-24-20:31:46 import
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14 push %esi |
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nginx-0.0.2-2004-02-24-20:31:46 import
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15 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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16 mov 12(%ebp), %esi # the stack address |
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nginx-0.0.2-2004-02-24-20:31:46 import
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17 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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18 sub $4, %esi |
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nginx-0.0.2-2004-02-24-20:31:46 import
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19 mov 20(%ebp), %eax # the thread argument |
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nginx-0.0.2-2004-02-24-20:31:46 import
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20 mov %eax, (%esi) |
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21 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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22 sub $4, %esi |
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nginx-0.0.2-2004-02-24-20:31:46 import
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23 mov 16(%ebp), %eax # the start thread address |
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nginx-0.0.2-2004-02-24-20:31:46 import
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24 mov %eax, (%esi) |
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25 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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26 push 8(%ebp) # rfork(2) flags |
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nginx-0.0.2-2004-02-24-20:31:46 import
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27 push $0 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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28 mov $SYS_rfork, %eax |
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nginx-0.0.2-2004-02-24-20:31:46 import
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29 KERNCALL |
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30 jc error |
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31 |
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32 cmp $0, %edx |
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33 jne child |
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34 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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35 parent: |
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nginx-0.0.2-2004-02-24-20:31:46 import
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36 add $8, %esp |
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nginx-0.0.2-2004-02-24-20:31:46 import
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37 pop %esi |
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nginx-0.0.2-2004-02-24-20:31:46 import
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38 mov %ebp, %esp |
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nginx-0.0.2-2004-02-24-20:31:46 import
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39 pop %ebp |
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nginx-0.0.2-2004-02-24-20:31:46 import
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40 ret |
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nginx-0.0.2-2004-02-24-20:31:46 import
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41 |
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42 child: |
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nginx-0.0.2-2004-02-24-20:31:46 import
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43 mov %esi, %esp |
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nginx-0.0.2-2004-02-24-20:31:46 import
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44 pop %eax |
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nginx-0.0.2-2004-02-24-20:31:46 import
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45 call *%eax # call a thread start address ... |
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nginx-0.0.2-2004-02-24-20:31:46 import
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46 add $4, %esp |
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nginx-0.0.2-2004-02-24-20:31:46 import
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47 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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48 push %eax |
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nginx-0.0.2-2004-02-24-20:31:46 import
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49 push $0 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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50 mov $SYS_exit, %eax # ... and exit(2) after a thread would return |
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nginx-0.0.2-2004-02-24-20:31:46 import
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51 KERNCALL |
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nginx-0.0.2-2004-02-24-20:31:46 import
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52 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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53 error: |
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nginx-0.0.2-2004-02-24-20:31:46 import
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54 add $8, %esp |
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nginx-0.0.2-2004-02-24-20:31:46 import
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55 pop %esi |
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nginx-0.0.2-2004-02-24-20:31:46 import
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56 mov %ebp, %esp |
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nginx-0.0.2-2004-02-24-20:31:46 import
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57 pop %ebp |
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nginx-0.0.2-2004-02-24-20:31:46 import
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58 PIC_PROLOGUE |
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59 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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60 /* libc's cerror: jmp PIC_PLT(HIDENAME(cerror)) */ |
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nginx-0.0.2-2004-02-24-20:31:46 import
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61 |
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nginx-0.0.2-2004-02-24-20:31:46 import
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62 push %eax |
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nginx-0.0.2-2004-02-24-20:31:46 import
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63 call PIC_PLT(CNAME(__error)) |
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nginx-0.0.2-2004-02-24-20:31:46 import
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64 pop %ecx |
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nginx-0.0.2-2004-02-24-20:31:46 import
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65 PIC_EPILOGUE |
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nginx-0.0.2-2004-02-24-20:31:46 import
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66 mov %ecx, (%eax) |
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nginx-0.0.2-2004-02-24-20:31:46 import
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67 mov $-1, %eax |
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nginx-0.0.2-2004-02-24-20:31:46 import
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68 mov $-1, %edx |
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nginx-0.0.2-2004-02-24-20:31:46 import
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69 ret |