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69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
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/*
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Signal.h -- Signal handling
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Copyright Apple Computer,Inc. 1988, 1990-1991
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All rights reserved.
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This file is used in these builds: ROM System
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Change History (most recent first):
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<4> 8/8/91 JL Updated copyright
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To Do:
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*/
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#ifndef __SIGNAL__
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#define __SIGNAL__
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typedef int sig_atomic_t;
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/*
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* Special signal handlers, compatible with the second argument to signal()
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* or, in the case of SIG_ERR, the return value from signal().
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*/
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#define SIG_DFL ((void (*)(int)) 1)
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#define SIG_ERR ((void (*)(int)) -1)
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#define SIG_IGN ((void (*)(int)) 0)
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#define SIG_HOLD ((void (*)(int)) 3)
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#define SIG_RELEASE ((void (*)(int)) 5)
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/*
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* Signal numbers for specific conditions.
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*/
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#define SIGABRT (1<<0) /* Abnormal termination e.g. by the abort() function */
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#define SIGFPE (1<<2) /* Arithmetic exception -- not currently implemented */
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#define SIGILL (1<<3) /* Illegal instruction -- not currently implemented */
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#define SIGINT (1<<1) /* Interactive attention signal -- User interrupt via CMD-. */
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#define SIGSEGV (1<<4) /* Segmentation violation -- not currently implemented */
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#define SIGTERM (1<<5) /* Termination request -- not currently implemented */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Specify a signal handling function.
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*/
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void (*signal (int sig, void (*func) (int))) (int);
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/*
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* Send a signal.
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*/
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int raise (int sig);
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#ifdef __cplusplus
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}
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#endif
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#endif
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