76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2010 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#ifndef GTM_SIGNAL_INFO_H
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#define GTM_SIGNAL_INFO_H
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/* Define signal information structures and routines */
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#ifdef __sparc
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# include <sys/siginfo.h>
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# include <ucontext.h>
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#endif
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#ifdef __linux__
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# include <ucontext.h>
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#endif
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typedef struct
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{
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caddr_t int_iadr; /* Interrupted instruction address */
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caddr_t bad_vadr; /* Failing virtual address */
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int sig_err; /* Error message with signal reason clarification */
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pid_t send_pid; /* Process that sent signal */
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uid_t send_uid; /* Userid that sent signal */
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int subcode; /* Subcode used to create message */
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int infotype; /* mask of what types of information are available */
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int signal; /* Actual signal number */
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} gtmsiginfo_t;
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/* Info types that are available (mask) */
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#define GTMSIGINFO_NONE 0 /* No further information is available about the signals */
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#define GTMSIGINFO_ILOC 0x1 /* Interrupt location information is available */
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#define GTMSIGINFO_BADR 0x2 /* Bad virtual address information is available */
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#define GTMSIGINFO_USER 0x4 /* User information is available */
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#if defined(__osf__)
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typedef struct sigcontext gtm_sigcontext_t;
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#elif defined(__CYGWIN__)
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typedef struct ucontext gtm_sigcontext_t;
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#elif defined(_AIX)
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typedef struct sigcontext64 gtm_sigcontext_t;
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#else
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typedef ucontext_t gtm_sigcontext_t;
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#endif
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void extract_signal_info(int sig, siginfo_t *info, gtm_sigcontext_t *context, gtmsiginfo_t *gtmsi);
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#define NO_SUSPEND 0 /* Suspend not pending */
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#define DEFER_SUSPEND 1 /* Suspend deferred */
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#define NOW_SUSPEND 2 /* Suspend now; will indicate that we "suspended" ourselves when woken up */
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/* States of exit_state
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*
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* Normal state is no exit is pending. When we receive a signal, we are either going
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* to go into a pending state (wait until out of crit) or an immediate state (going
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* to exit now). There are two different pending states. In the first, we can tolerate
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* another (2nd) signal which will bump us to final pending state. If a 3rd signal
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* comes in, we will go to the immediate exit state [tolerant pending state added at the
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* request of Roger 4/2000]. If one of the terminal signals is received (i.e. not
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* sent by another user, we will go to the immediate exit state.
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*/
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#define EXIT_NOTPENDING 0
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#define EXIT_PENDING_TOLERANT 1
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#define EXIT_PENDING 2
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#define EXIT_IMMED 3
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#endif /* ifndef GTM_SIGNAL_INFO_H */
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