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add a 'lumiera_err' typedef

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This commit is contained in:
Christian Thaeter 2008-08-06 09:38:33 +02:00
parent 9826fd180d
commit 93e126f5ab
2 changed files with 11 additions and 10 deletions
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10
src/lib/error.c
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@ -46,12 +46,12 @@ lumiera_error_tls_init (void)
}
const char*
lumiera_error_set (const char * nerr)
lumiera_err
lumiera_error_set (lumiera_err nerr)
{
pthread_once (&lumiera_error_initialized, lumiera_error_tls_init);
const char* err = pthread_getspecific (lumiera_error_tls);
lumiera_err err = pthread_getspecific (lumiera_error_tls);
if (!err)
pthread_setspecific (lumiera_error_tls, nerr);
@ -59,12 +59,12 @@ lumiera_error_set (const char * nerr)
}
const char*
lumiera_err
lumiera_error ()
{
pthread_once (&lumiera_error_initialized, lumiera_error_tls_init);
const char* err = pthread_getspecific (lumiera_error_tls);
lumiera_err err = pthread_getspecific (lumiera_error_tls);
if (err)
pthread_setspecific (lumiera_error_tls, NULL);
return err;

11
src/lib/error.h
View file

@ -35,6 +35,7 @@ extern "C" {
* C Error handling in Lumiera, header.
*/
typedef const char* lumiera_err;
/**
* Abort unconditionally with a 'Fatal Error!' message.
@ -49,7 +50,7 @@ extern "C" {
* @param err name of the error without the 'LUMIERA_ERROR_' prefix (example: NO_MEMORY)
*/
#define LUMIERA_ERROR_DECLARE(err) \
extern const char* LUMIERA_ERROR_##err
extern lumiera_err LUMIERA_ERROR_##err
/**
* Definition and initialization of an error constant.
@ -58,7 +59,7 @@ extern const char* LUMIERA_ERROR_##err
* @param msg message describing the error in plain english (example: "memory allocation failed")
*/
#define LUMIERA_ERROR_DEFINE(err, msg) \
const char* LUMIERA_ERROR_##err = "LUMIERA_ERROR_" #err ":" msg
lumiera_err LUMIERA_ERROR_##err = "LUMIERA_ERROR_" #err ":" msg
/**
* Helper macro to raise an error for the current thread.
@ -77,8 +78,8 @@ lumiera_error_set(LUMIERA_ERROR_##err))
* @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
*/
const char*
lumiera_error_set (const char * err);
lumiera_err
lumiera_error_set (lumiera_err err);
/**
* Get and clear current error state.
@ -86,7 +87,7 @@ lumiera_error_set (const char * err);
* variable.
* @return pointer to any pending error of this thread, NULL if no error is pending
*/
const char*
lumiera_err
lumiera_error ();
/*