diff options
Diffstat (limited to 'elf/link.h')
| -rw-r--r-- | elf/link.h | 20 |
1 files changed, 17 insertions, 3 deletions
@@ -137,6 +137,12 @@ struct link_map unsigned int l_global:1; /* Nonzero if object in _dl_global_scope. */ unsigned int l_reserved:2; /* Reserved for internal use. */ }; + + +/* Function used as argument for `_dl_receive_error' function. The + arguments are the error string and the objname the error occurred + in. */ +typedef void (*receiver_fct) (const char *, const char *); /* Internal functions of the run-time dynamic linker. These can be accessed if you link again the dynamic linker @@ -161,6 +167,11 @@ extern int _dl_sysdep_open_zero_fill (void); /* dl-sysdep.c */ are concatenated to form the message to print. */ extern void _dl_sysdep_message (const char *string, ...); +/* OS-dependent function to write a message on the standard error. + All arguments are `const char *'; args until a null pointer + are concatenated to form the message to print. */ +extern void _dl_sysdep_error (const char *string, ...); + /* OS-dependent function to give a fatal error message and exit when the dynamic linker fails before the program is fully linked. All arguments are `const char *'; args until a null pointer @@ -177,11 +188,9 @@ extern int _dl_secure; zero; OBJECT is the name of the problematical shared object, or null if it is a general problem; ERRSTRING is a string describing the specific problem. */ - extern void _dl_signal_error (int errcode, const char *object, - const char *errstring) - __attribute__ ((__noreturn__)); + const char *errstring); /* Call OPERATE, catching errors from `dl_signal_error'. If there is no error, *ERRSTRING is set to null. If there is an error, *ERRSTRING and @@ -192,6 +201,11 @@ extern int _dl_catch_error (char **errstring, const char **object, void (*operate) (void)); +/* Call OPERATE, receiving errors from `dl_signal_error'. Unlike + `_dl_catch_error' the operation is resumed after the OPERATE + function returns. */ +extern void _dl_receive_error (receiver_fct fct, void (*operate) (void)); + /* Helper function for <dlfcn.h> functions. Runs the OPERATE function via _dl_catch_error. Returns zero for success, nonzero for failure; and |