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ERROR_SET_* macros for different logging levels

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This commit is contained in:
Christian Thaeter 2009-01-14 01:49:47 +01:00
parent f93d224977
commit a78ec21fea
1 changed files with 48 additions and 1 deletions
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49
src/lib/error.h
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@ -64,8 +64,10 @@ lumiera_err LUMIERA_ERROR_##err = "LUMIERA_ERROR_" #err ":" msg
/**
* Helper macro to raise an error for the current thread.
* This macro eases setting an error. It adds NoBug logging support to the low level error handling.
* Used for unexpected errors which can be handled without any problems.
* @param flag NoBug flag describing the subsystem where the error was raised
* @param err name of the error without the 'LUMIERA_ERROR_' prefix (example: NO_MEMORY)
* @param extra optional string (or NULL) which adds some more context to the error, can be a temporary
*/
#define LUMIERA_ERROR_SET(flag, err, extra) \
do { \
@ -74,11 +76,56 @@ lumiera_err LUMIERA_ERROR_##err = "LUMIERA_ERROR_" #err ":" msg
lumiera_error_set(LUMIERA_ERROR_##err, theextra); \
} while (0)
/**
* Helper macro to raise an error for the current thread.
* Same as LUMIERA_ERROR_SET(), but logs at 'LOG_ALERT' level.
* Use this when the application is about to do a emergency shutdown.
* @param flag NoBug flag describing the subsystem where the error was raised
* @param err name of the error without the 'LUMIERA_ERROR_' prefix (example: NO_MEMORY)
* @param extra optional string (or NULL) which adds some more context to the error, can be a temporary
*/
#define LUMIERA_ERROR_SET_ALERT(flag, err, extra) \
do { \
const char* theextra = extra; \
ALERT (flag, "%s%s%s", strchr(LUMIERA_ERROR_##err, ':')+1, theextra?": ":"", theextra?theextra:""); \
lumiera_error_set(LUMIERA_ERROR_##err, theextra); \
} while (0)
/**
* Helper macro to raise an error for the current thread.
* Same as LUMIERA_ERROR_SET(), but logs at 'LOG_CRIT' level.
* Use this when a requested task can not be completed (maybe user intervention is necessary).
* @param flag NoBug flag describing the subsystem where the error was raised
* @param err name of the error without the 'LUMIERA_ERROR_' prefix (example: NO_MEMORY)
* @param extra optional string (or NULL) which adds some more context to the error, can be a temporary
*/
#define LUMIERA_ERROR_SET_CRITICAL(flag, err, extra) \
do { \
const char* theextra = extra; \
CRITICAL (flag, "%s%s%s", strchr(LUMIERA_ERROR_##err, ':')+1, theextra?": ":"", theextra?theextra:"");\
lumiera_error_set(LUMIERA_ERROR_##err, theextra); \
} while (0)
/**
* Helper macro to raise an error for the current thread.
* Same as LUMIERA_ERROR_SET(), but logs at 'LOG_WARNING' level.
* Use this when a not unexected error happens which can be handled.
* @param flag NoBug flag describing the subsystem where the error was raised
* @param err name of the error without the 'LUMIERA_ERROR_' prefix (example: NO_MEMORY)
* @param extra optional string (or NULL) which adds some more context to the error, can be a temporary
*/
#define LUMIERA_ERROR_SET_WARNING(flag, err, extra) \
do { \
const char* theextra = extra; \
WARN (flag, "%s%s%s", strchr(LUMIERA_ERROR_##err, ':')+1, theextra?": ":"", theextra?theextra:""); \
lumiera_error_set(LUMIERA_ERROR_##err, theextra); \
} while (0)
/**
* Set error state for the current thread.
* If the error state of the current thread was cleared, then set it, else preserve the old state.
* @param nerr name of the error with 'LUMIERA_ERROR_' prefix (example: LUMIERA_ERROR_NO_MEMORY)
* @param extra a string (possibly a constructed tmpbuf) which adds some more context to the error occured this will be copied
* @param extra a string (possibly a constructed tmpbuf) which adds some more context to the error, can be a temporary
* @return old state, that is NULL for success, when the state was cleared and a pointer to a pending
* error when the error state was already set
*/