diogo/yap-6.3
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simplify RW locks

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vsc 2010-10-15 02:05:20 +01:00
parent 72b8334358
commit 824ff4094c
1 changed files with 0 additions and 24 deletions
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24
C/sysbits.c
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@ -3487,28 +3487,4 @@ rw_lock_voodoo(void) {
#endif /* sparc */
#if (defined(i386) || defined(__x86_64__) ) && !defined(__APPLE__) && !defined(__CYGWIN__)
asm(
".align 4\n"
".globl __write_lock_failed\n"
"__write_lock_failed:\n"
" lock; addl $" RW_LOCK_BIAS_STR ",(%eax)\n"
"1: cmpl $" RW_LOCK_BIAS_STR ",(%eax)\n"
" jne 1b\n"
" lock; subl $" RW_LOCK_BIAS_STR ",(%eax)\n"
" jnz __write_lock_failed\n"
" ret\n"
".align 4\n"
".globl __read_lock_failed\n"
"__read_lock_failed:\n"
" lock ; incl (%eax)\n"
"1: cmpl $1,(%eax)\n"
" js 1b\n"
" lock ; decl (%eax)\n"
" js __read_lock_failed\n"
" ret\n"
);
#endif /* i386 */
#endif /* YAPOR || THREADS */