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Prefix all SPL debug macros with 'S'
To avoid conflicts with symbols defined by dependent packages all debugging symbols have been prefixed with a 'S' for SPL. Any dependent package needing to integrate with the SPL debug should include the spl-debug.h header and use the 'S' prefixed macros. They must also build with DEBUG defined.
This commit is contained in:
Brian Behlendorf
+76
-67
@@ -26,17 +26,17 @@
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* Available debug functions. These function should be used by any
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* package which needs to integrate with the SPL log infrastructure.
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*
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* CDEBUG() - Log debug message with specified mask.
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* CDEBUG_LIMIT() - Log just 1 debug message with specified mask.
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* CWARN() - Log a warning message.
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* CERROR() - Log an error message.
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* CEMERG() - Log an emergency error message.
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* CONSOLE() - Log a generic message to the console.
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* SDEBUG() - Log debug message with specified mask.
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* SDEBUG_LIMIT() - Log just 1 debug message with specified mask.
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* SWARN() - Log a warning message.
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* SERROR() - Log an error message.
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* SEMERG() - Log an emergency error message.
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* SCONSOLE() - Log a generic message to the console.
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*
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* ENTRY - Log entry point to a function.
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* EXIT - Log exit point from a function.
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* RETURN(x) - Log return from a function.
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* GOTO(x, y) - Log goto within a function.
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* SENTRY - Log entry point to a function.
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* SEXIT - Log exit point from a function.
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* SRETURN(x) - Log return from a function.
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* SGOTO(x, y) - Log goto within a function.
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*/
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#ifndef _SPL_DEBUG_INTERNAL_H
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@@ -44,95 +44,104 @@
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#include <linux/limits.h>
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#define S_UNDEFINED 0x00000001
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#define S_ATOMIC 0x00000002
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#define S_KOBJ 0x00000004
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#define S_VNODE 0x00000008
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#define S_TIME 0x00000010
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#define S_RWLOCK 0x00000020
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#define S_THREAD 0x00000040
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#define S_CONDVAR 0x00000080
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#define S_MUTEX 0x00000100
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#define S_RNG 0x00000200
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#define S_TASKQ 0x00000400
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#define S_KMEM 0x00000800
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#define S_DEBUG 0x00001000
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#define S_GENERIC 0x00002000
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#define S_PROC 0x00004000
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#define S_MODULE 0x00008000
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#define S_CRED 0x00010000
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#define SS_UNDEFINED 0x00000001
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#define SS_ATOMIC 0x00000002
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#define SS_KOBJ 0x00000004
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#define SS_VNODE 0x00000008
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#define SS_TIME 0x00000010
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#define SS_RWLOCK 0x00000020
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#define SS_THREAD 0x00000040
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#define SS_CONDVAR 0x00000080
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#define SS_MUTEX 0x00000100
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#define SS_RNG 0x00000200
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#define SS_TASKQ 0x00000400
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#define SS_KMEM 0x00000800
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#define SS_DEBUG 0x00001000
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#define SS_GENERIC 0x00002000
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#define SS_PROC 0x00004000
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#define SS_MODULE 0x00008000
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#define SS_CRED 0x00010000
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#define SS_KSTAT 0x00020000
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#define SS_XDR 0x00040000
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#define SS_USER1 0x01000000
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#define SS_USER2 0x02000000
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#define SS_USER3 0x04000000
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#define SS_USER4 0x08000000
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#define SS_USER5 0x10000000
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#define SS_USER6 0x20000000
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#define SS_USER7 0x40000000
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#define SS_USER8 0x80000000
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#define SS_DEBUG_SUBSYS SS_UNDEFINED
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#define D_TRACE 0x00000001
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#define D_INFO 0x00000002
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#define D_WARNING 0x00000004
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#define D_ERROR 0x00000008
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#define D_EMERG 0x00000010
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#define D_CONSOLE 0x00000020
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#define D_IOCTL 0x00000040
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#define D_DPRINTF 0x00000080
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#define D_OTHER 0x00000100
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#define D_CANTMASK (D_ERROR | D_EMERG | D_WARNING | D_CONSOLE)
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#define DEBUG_SUBSYSTEM S_UNDEFINED
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#define SD_TRACE 0x00000001
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#define SD_INFO 0x00000002
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#define SD_WARNING 0x00000004
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#define SD_ERROR 0x00000008
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#define SD_EMERG 0x00000010
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#define SD_CONSOLE 0x00000020
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#define SD_IOCTL 0x00000040
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#define SD_DPRINTF 0x00000080
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#define SD_OTHER 0x00000100
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#define SD_CANTMASK (SD_ERROR | SD_EMERG | SD_WARNING | SD_CONSOLE)
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#ifdef NDEBUG /* Debugging Disabled */
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#define CDEBUG(mask, fmt, a...) ((void)0)
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#define CDEBUG_LIMIT(x, y, fmt, a...) ((void)0)
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#define CWARN(fmt, a...) ((void)0)
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#define CERROR(fmt, a...) ((void)0)
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#define CEMERG(fmt, a...) ((void)0)
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#define CONSOLE(mask, fmt, a...) ((void)0)
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#define SDEBUG(mask, fmt, a...) ((void)0)
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#define SDEBUG_LIMIT(x, y, fmt, a...) ((void)0)
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#define SWARN(fmt, a...) ((void)0)
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#define SERROR(fmt, a...) ((void)0)
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#define SEMERG(fmt, a...) ((void)0)
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#define SCONSOLE(mask, fmt, a...) ((void)0)
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#define ENTRY ((void)0)
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#define EXIT ((void)0)
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#define RETURN(x) return (x)
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#define GOTO(x, y) { ((void)(y)); goto x; }
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#define SENTRY ((void)0)
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#define SEXIT ((void)0)
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#define SRETURN(x) return (x)
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#define SGOTO(x, y) { ((void)(y)); goto x; }
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#else /* Debugging Enabled */
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#define __CDEBUG(cdls, subsys, mask, format, a...) \
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#define __SDEBUG(cdls, subsys, mask, format, a...) \
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do { \
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if (((mask) & D_CANTMASK) != 0 || \
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if (((mask) & SD_CANTMASK) != 0 || \
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((spl_debug_mask & (mask)) != 0 && \
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(spl_debug_subsys & (subsys)) != 0)) \
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spl_debug_msg(cdls, subsys, mask, __FILE__, \
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__FUNCTION__, __LINE__, format, ## a); \
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} while (0)
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#define CDEBUG(mask, format, a...) \
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__CDEBUG(NULL, DEBUG_SUBSYSTEM, mask, format, ## a)
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#define SDEBUG(mask, format, a...) \
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__SDEBUG(NULL, SS_DEBUG_SUBSYS, mask, format, ## a)
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#define __CDEBUG_LIMIT(subsys, mask, format, a...) \
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#define __SDEBUG_LIMIT(subsys, mask, format, a...) \
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do { \
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static spl_debug_limit_state_t cdls; \
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\
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__CDEBUG(&cdls, subsys, mask, format, ## a); \
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__SDEBUG(&cdls, subsys, mask, format, ## a); \
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} while (0)
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#define CDEBUG_LIMIT(mask, format, a...) \
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__CDEBUG_LIMIT(DEBUG_SUBSYSTEM, mask, format, ## a)
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#define SDEBUG_LIMIT(mask, format, a...) \
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__SDEBUG_LIMIT(SS_DEBUG_SUBSYS, mask, format, ## a)
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#define CWARN(fmt, a...) CDEBUG_LIMIT(D_WARNING, fmt, ## a)
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#define CERROR(fmt, a...) CDEBUG_LIMIT(D_ERROR, fmt, ## a)
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#define CEMERG(fmt, a...) CDEBUG_LIMIT(D_EMERG, fmt, ## a)
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#define CONSOLE(mask, fmt, a...) CDEBUG(D_CONSOLE | (mask), fmt, ## a)
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#define SWARN(fmt, a...) SDEBUG_LIMIT(SD_WARNING, fmt, ## a)
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#define SERROR(fmt, a...) SDEBUG_LIMIT(SD_ERROR, fmt, ## a)
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#define SEMERG(fmt, a...) SDEBUG_LIMIT(SD_EMERG, fmt, ## a)
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#define SCONSOLE(mask, fmt, a...) SDEBUG(SD_CONSOLE | (mask), fmt, ## a)
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#define ENTRY CDEBUG(D_TRACE, "Process entered\n")
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#define EXIT CDEBUG(D_TRACE, "Process leaving\n")
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#define SENTRY SDEBUG(SD_TRACE, "Process entered\n")
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#define SEXIT SDEBUG(SD_TRACE, "Process leaving\n")
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#define RETURN(rc) \
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#define SRETURN(rc) \
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do { \
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typeof(rc) RETURN__ret = (rc); \
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CDEBUG(D_TRACE, "Process leaving (rc=%lu : %ld : %lx)\n", \
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SDEBUG(SD_TRACE, "Process leaving (rc=%lu : %ld : %lx)\n", \
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(long)RETURN__ret, (long)RETURN__ret, (long)RETURN__ret); \
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return RETURN__ret; \
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} while (0)
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#define GOTO(label, rc) \
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#define SGOTO(label, rc) \
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do { \
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long GOTO__ret = (long)(rc); \
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CDEBUG(D_TRACE,"Process leaving via %s (rc=%lu : %ld : %lx)\n", \
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SDEBUG(SD_TRACE,"Process leaving via %s (rc=%lu : %ld : %lx)\n",\
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#label, (unsigned long)GOTO__ret, (signed long)GOTO__ret, \
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(signed long)GOTO__ret); \
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goto label; \
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