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1.1 ! root 1: ////////// ! 2: / libc/sys/i386/signal.s ! 3: / Copyright (c) Ciaran O'Donnell, Bievres (FRANCE), 1991. ! 4: ////////// ! 5: ! 6: / #include <signal.h> ! 7: ! 8: .globl sighold ! 9: .globl sigrelse ! 10: .globl sigignore ! 11: .globl sigpause ! 12: .globl sigset ! 13: .globl signal ! 14: .globl .cerror ! 15: ! 16: .set SIGDEFER, 0x100 ! 17: .set SIGHOLD, 0x200 ! 18: .set SIGRELSE, 0x400 ! 19: .set SIGIGNORE, 0x800 ! 20: .set SIGPAUSE, 0x1000 ! 21: .set SIGDEFAULT, 0x8000 ! 22: ! 23: ! 24: sighold: ! 25: or $SIGHOLD,4(%esp) ! 26: jmp signal ! 27: ! 28: sigrelse: ! 29: or $SIGRELSE,4(%esp) ! 30: jmp signal ! 31: ! 32: sigignore: ! 33: or $SIGIGNORE,4(%esp) ! 34: jmp signal ! 35: ! 36: sigpause: ! 37: or $SIGPAUSE,4(%esp) ! 38: jmp signal ! 39: ! 40: / sigset(sig, SIG_DFL) ! 41: / sigset(sig, SIG_IGN) ! 42: / sigset(sig, proc) ! 43: ! 44: sigset: ! 45: or $SIGDEFER,4(%esp) ! 46: ! 47: / signal(sig, SIG_DFL) ! 48: / signal(sig, SIG_IGN) ! 49: / signal(sig, proc) ! 50: ! 51: signal: ! 52: movl $sigreturn,%edx / proc = &sigreturn ! 53: movl $48, %eax ! 54: lcall $0x7, $0 / if old_sys = sigsys(sig)<0 ! 55: jc .cerror / return -1 ! 56: orl %eax,%eax ! 57: ret ! 58: ! 59: sigreturn: ! 60: addl $4, %esp ! 61: lcall $0xf, $0 ! 62: ! 63: / end of libc/sys/i386/signal.s
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