/[ascend]/trunk/base/generic/utilities/ascSignal.h
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revision 996 by johnpye, Mon Dec 18 05:49:00 2006 UTC revision 997 by johnpye, Sun Dec 24 01:33:59 2006 UTC
# Line 127  typedef void SigHandlerFn(int); Line 127  typedef void SigHandlerFn(int);
127  #define MAX_TRAP_DEPTH 40L  #define MAX_TRAP_DEPTH 40L
128  /**< The maximum number of traps that can be nested. */  /**< The maximum number of traps that can be nested. */
129    
130  ASC_DLLSPEC(jmp_buf ) g_fpe_env;   /**< Standard signal jmp_buf - floating point error. */  #define ASC_JMP_INFO
131  ASC_DLLSPEC(jmp_buf ) g_seg_env;   /**< Standard signal jmp_buf - segmentation fault. */  /**< Whether to store additional information before making a setjmp call */
 ASC_DLLSPEC(jmp_buf ) g_int_env;   /**< Standard signal jmp_buf - interactive attention (<CTRL>C). */  
132    
133    #ifndef ASC_JMP_INFO
134    # define SETJMP set_jmp
135    # define LONGJMP longjmp
136    typedef JMP_BUF jmp_buf
137    #else
138    # define SETJMP(ENV) (ENV.filename = __FILE__, ENV.line = __LINE__, ENV.func = __FUNCTION__, setjmp(ENV.jmp))
139    # define LONGJMP(ENV,VAL) (CONSOLE_DEBUG("LONGJMP back to %s:%d (%s)",ENV.filename,ENV.line,ENV.func), longjmp(ENV.jmp, VAL))
140    typedef struct{
141        jmp_buf jmp;
142        const char *filename;
143        int line;
144        const char *func;
145    } asc_jmp_buf;
146    #define JMP_BUF asc_jmp_buf
147    #endif
148    
149    
150        
151    ASC_DLLSPEC(JMP_BUF) g_fpe_env;   /**< Standard signal jmp_buf - floating point error. */
152    ASC_DLLSPEC(JMP_BUF) g_seg_env;   /**< Standard signal jmp_buf - segmentation fault. */
153    ASC_DLLSPEC(JMP_BUF) g_int_env;   /**< Standard signal jmp_buf - interactive attention (<CTRL>C). */
154    
155    #if 0
156  extern jmp_buf g_foreign_code_call_env;  extern jmp_buf g_foreign_code_call_env;
157  /**<  /**<
158      Not currently in use.  Should be when we get to a unified      Not currently in use.  Should be when we get to a unified
159      standard for signal handling.      standard for signal handling.
160      @todo Implement use of g_foreign_code_call_env?      @todo Implement use of g_foreign_code_call_env?
161  */  */
162    #endif
163    
164  ASC_DLLSPEC(void ) Asc_SignalTrap(int sigval);  ASC_DLLSPEC(void ) Asc_SignalTrap(int sigval);
165  /**<  /**<
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john.pye@anu.edu.au
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