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   dlerror    ( 3 )

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Имя (Name)

dlerror - obtain error diagnostic for functions in the dlopen API

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Синопсис (Synopsis)

#include <dlfcn.h>

       char *dlerror(void);

       Link with -ldl.

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Описание (Description)

The dlerror() function returns a human-readable, null-terminated
       string describing the most recent error that occurred from a call
       to one of the functions in the dlopen API since the last call to
       dlerror().  The returned string does not include a trailing
       newline.

       dlerror() returns NULL if no errors have occurred since
       initialization or since it was last called.

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Версии (Versions)

dlerror() is present in glibc 2.0 and later.

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Атрибуты (Attributes)

For an explanation of the terms used in this section, see
       attributes(7).

       ┌──────────────────────────────────────┬───────────────┬─────────┐
       │Interface                             │ Attribute     │ Value   │
       ├──────────────────────────────────────┼───────────────┼─────────┤
       │dlerror()                             │ Thread safety │ MT-Safe │
       └──────────────────────────────────────┴───────────────┴─────────┘

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Стандарты (Conforming to)

POSIX.1-2001.

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Примечание (Note)

The message returned by dlerror() may reside in a statically
       allocated buffer that is overwritten by subsequent dlerror()
       calls.

   History
       This function is part of the dlopen API, derived from SunOS.

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Примеры (Examples)

See dlopen(3).

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Смотри также (See also)

dladdr(3), dlinfo(3), dlopen(3), dlsym(3)

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